Re: Improving visibility of clojure-doc.org
If one of those is that Clojure documentation site that has a paywall, I object unless the merged site has no paywall. Official and officially-endorsed documentation for open source software should not be behind a paywall. On Tue, Mar 12, 2013 at 1:47 AM, kinleyd kinl...@gmail.com wrote: I also found clojure-doc.org accidentally, and was surprised it didn't show up in earlier searches, especially in the context of the high quality of the documentation. I think merging the two resources (clojuredocs and clojure-doc) would greatly help (I'd be happy to help in this effort), and getting high profile links pointed to it (particularly on clojure.org itself) would make all the difference in adding to its visibility, regardless of the frequency of the updates to the site itself. On Thursday, February 28, 2013 12:06:46 AM UTC+6, Michael Klishin wrote: Started in October 2012, http://clojure-doc.org is a pretty extensive community documentation effort. It covers Clojure, its ecosystem and tools and has two key goals: * We produce beginner-friendly content * It is dead easy to join and help Even though recently that hasn't been as much activity as in the past, it is not abandoned and continues to accumulate useful, beginner-friendly material. We constantly get praises from newcomers to Clojure who discover clojure-doc.org. Unfortunately, it does not appear even in top 10 in Google for clojure docs or clojure documentation and many community members are not aware of it. In part it is less visible because we no longer actively post progress reports. Things have settled down and most of changes now are small edits and improvements all over the place. It is a bit pointless to post progress reports more often than once a month or so. So I'd like to start a discussion about what can be done about it. The community (we have 40 contributors) has worked very hard on clojure-doc.org and I'd like to see high profile resources (namly clojure.org and leiningen.org) link to it. What would it take to convince clojure.org maintainers to do so? There are still guides left ot be written (macros, gen-class), but overall, I'd say there is no better source of freely available, beginner-friendly, hackable (no Clojure CA, everything is developed on GitHub [1], content is in Markdown) documentation. All it needs is some linking and promotion love. One way to help would be to start a campaign such as Mozilla's Promote JS [docs]. Unfortunately, unlike Mozilla key contributors behind clojure-doc.org largely lack graphic and Web design skills, so replicating that campaing is probably not an option. Do you have any ideas about how we can make clojure-doc.org more visible? Do you know who can help with getting a link from clojure.org? Do you think clojure-doc.org is not good enough to be the blessed open source documentation resource? Please post your suggestions and concerns. Improving CDS visibility will benefit the entire community plus all the people who will join it in the future. Most of the work is already done, it just needs to be promoted better. Thanks you. 1. https://github.com/**clojuredocs/cdshttps://github.com/clojuredocs/cds -- MK http://github.com/**michaelklishin http://github.com/michaelklishin http://twitter.com/**michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Improving visibility of clojure-doc.org
On Mar 11, 2013, at 23:20, Cedric Greevey wrote: If one of those is that Clojure documentation site that has a paywall, I object unless the merged site has no paywall. Official and officially- endorsed documentation for open source software should not be behind a paywall. Neither site is behind a paywall (as you would have discovered had you bothered to look :-/). Clojure Atlas _is_ behind a (cheap) paywall; I think it's well worth the money, but suit yourself... -r -- http://www.cfcl.com/rdmRich Morin http://www.cfcl.com/rdm/resume r...@cfcl.com http://www.cfcl.com/rdm/weblog +1 650-873-7841 Software system design, development, and documentation -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Improving visibility of clojure-doc.org
It's quite confusing that http://clojure-doc.org and http://www.clojure-doc.org go to different pages. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Noobie question - sorry :)
So I do not understand why calling (defn evolve [] (Thread/sleep 1000) (print .) (recur)) Never results in anything being printed until I press Ctrl-C at which point a bunch of . are printed. However if I remove (Thread/sleep 1000) then it works as I would expect. I thought (Thread/sleep 1000) would basically wait for a second (allowing other threads to run) and then continue but it *appears* to work as I would expect but it blocks output (both to the console and, I think, to the seesaw frame/canvas created separately). Help? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Get difference between two lists with java objects of same class
On Mar 11, 2013, at 17:09 , Ryan arekand...@gmail.com wrote:
What if, i had two clojure lists, with hash-maps which have the same keys and
based on a specific key, i wanted to find the items from list-a which do not
exist in list-b. Would i go with the two functions you suggested or is there
something else I could use?
Assuming :id is the key you care about:
(filter (comp (complement (set (map :id list-b))) :id)
list-a)
user= (defn rand-seq [n] (repeatedly #(rand-int n)))
#'user/rand-seq
user= (def list-a (map (partial hash-map :id) (take 5 (rand-seq 10
#'user/list-a
user= list-a
({:id 8} {:id 4} {:id 5} {:id 1} {:id 6})
user= (def list-b (map (partial hash-map :id) (take 5 (rand-seq 10
#'user/list-b
user= list-b
({:id 9} {:id 6} {:id 3} {:id 6} {:id 3})
user= (filter (comp (complement (set (map :id list-b))) :id) list-a)
({:id 8} {:id 4} {:id 5} {:id 1})
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Re: Noobie question - sorry :)
2013/3/12 edw...@kenworthy.info So I do not understand why calling (defn evolve [] (Thread/sleep 1000) (print .) (recur)) Never results in anything being printed until I press Ctrl-C at which point a bunch of . are printed. However if I remove (Thread/sleep 1000) then it works as I would expect. I thought (Thread/sleep 1000) would basically wait for a second (allowing other threads to run) and then continue but it *appears* to work as I would expect but it blocks output (both to the console and, I think, to the seesaw frame/canvas created separately). The output is buffered, try by adding a call to (flush) after each (print .) HTH, -- Laurent -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Model-View-Controller in Clojure?
OK took me a while to work my way through your code. I think a simpler version to illustrate the point would be: (def current-live-cells (atom starting-live-cells)) (defn cells-changed ; called when current-live-cells changes [k r o n] (print cells-changed called.) (repaint! (select fr [:#canvas]))) (add-watch current-live-cells :log cells-changed) On Saturday, March 9, 2013 2:24:31 PM UTC, Jim foo.bar wrote: You need to store your model in a ref-type (atom,agent,or ref), and attach a watcher on it (a fn which is responsible for updating the view). Now, 'mutating' your model will trigger a View update...piece of cake :) example: (def board-history Log of the state of a game. (atom [])) (defn log-board The logging function for the board ref. Will conj every new board-state into a vector. [dest k r old n] (when-not (= n old) (swap! dest conj n))) (def current-chessItems This is list that keeps track of moving chess pieces. Is governed by an atom and it changes after every move. All changes are being logged to 'board-history'. Starts off as nil but we can always get the initial board arrangement from core. (- (atom nil) (add-watch :log (partial core/log-board core/board-history) HTH, Jim ps: my example does not involve GUI, but you get the idea...it it trivial to change the code so that it 'repaints' the canvas with the new board instead of conjing it On 09/03/13 14:11, edw...@kenworthy.info javascript: wrote: So I understand that Clojure's data structures are immutable but I am not clear how that works with MVC. So I have a view that displays a model. Other processes change that model and the View presents those changes. However it's not clear to me how that would work with an immutable model. Obviously I can't pass the model into the View, have the view store a reference to it and each time it's called on to render the model, do so. The model is immutable. So I could have a global variable which points to the model, and whenever I 'change' the model I re-point it to the updated version. Obviously the view would have to reference that global. This just smells bad. And would get worse for each model and view you needed in your application. I suppose you could maintain some global map of models, but that doesn't look nice either, it's not that much different from having a pile of global models. This must be a solved problem surely? Could someone point me to the solution please? Swing or Quil based would be fine but I assume it must be generally applicable. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+u...@googlegroups.com javascript:. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Model-View-Controller in Clojure?
So having parsed your log-history example Jim (which I found tricky because of the confusion of the problem domain in your example with the implementation, logging history versus watching changes is a bit close, and the gratuitous use of the threading macro). I think a simpler example would be: (def current-live-cells (atom starting-live-cells)) (defn cells-changed ; called when current-live-cells changes [k r o n] (print cells-changed called.)) (add-watch current-live-cells :log cells-changed) Not that i'm not grateful for your example, I had to learn about (partial) -what a useful function!- and the threading macros -yuch!-. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Noobie question - sorry :)
Thank you. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
On Monday, March 11, 2013 11:51:17 PM UTC+1, Sean Corfield wrote: In addition to clj-time, I tend to use - with date-clj as well: (- (today) (subtract 30 :days)) And I find something like this: (- (- response :body :postalCodes) (map to-location) (sort-by :city)) much easier to read than: (sort-by :city (map to-location (:postalCodes (:body response In Clojure 1.5 I would write (as- response x (:body x) (:postalCodes x) (map to-location x) (sort-by :city x)) or, perhaps (as- response x (- x :body :postalCodes) (- x (map to-location) (sort-by :city)) I *love *as-* *! YMMV tho'... Ditto :) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Get difference between two lists with java objects of same class
Assuming :id is the key you care about:
(filter (comp (complement (set (map :id list-b))) :id)
list-a)
This is almost exactly the same as the one from an earlier post here:
(remove (comp (into #{} (map key-fn list-b)) key-fn) list-a)
I'd prefer *remove* to *filter + complement*, though.
-Marko
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Re: Get difference between two lists with java objects of same class
On Monday, March 11, 2013 11:09:31 PM UTC+1, Ryan wrote: What if, i had two clojure lists, with hash-maps which have the same keys and based on a specific key, i wanted to find the items from list-a which do not exist in list-b. Would i go with the two functions you suggested or is there something else I could use? The only difference would be in the definition of the *key-fn. *With Java classes it would be #(.getId %) and with Clojure maps it would be just :id --- keywords are already functions! -Marko -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Noobie question - sorry :)
On Tuesday, March 12, 2013 8:59:47 AM UTC+1, edw...@kenworthy.info wrote: So I do not understand why calling (defn evolve [] (Thread/sleep 1000) (print .) (recur)) Never results in anything being printed until I press Ctrl-C at which point a bunch of . are printed. However if I remove (Thread/sleep 1000) then it works as I would expect. Actually it works the same in both cases: the dots are printed in chunks as large as the buffer size of the *out* writer. You just didn't have the patience to wait that many seconds :) Try with (Thread/sleep 1) and you'll see. I thought (Thread/sleep 1000) would basically wait for a second (allowing other threads to run) and then continue but it *appears* to work as I would expect but it blocks output (both to the console and, I think, to the seesaw frame/canvas created separately). It does work exactly as you expected: it allows other threads to run. You must be very careful in knowing exactly *which* thread it makes sleep. As for the console output, the real reason is as explained above. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Get difference between two lists with java objects of same class
Thanks guys for your replies. I will re-read everything carefully and decide what to do :) Ryan On Tuesday, March 12, 2013 11:14:17 AM UTC+2, Marko Topolnik wrote: On Monday, March 11, 2013 11:09:31 PM UTC+1, Ryan wrote: What if, i had two clojure lists, with hash-maps which have the same keys and based on a specific key, i wanted to find the items from list-a which do not exist in list-b. Would i go with the two functions you suggested or is there something else I could use? The only difference would be in the definition of the *key-fn. *With Java classes it would be #(.getId %) and with Clojure maps it would be just :id --- keywords are already functions! -Marko -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Get difference between two lists with java objects of same class
On Mar 12, 2013, at 04:11 , Marko Topolnik marko.topol...@gmail.com wrote:
This is almost exactly the same as the one from an earlier post here:
(remove (comp (into #{} (map key-fn list-b)) key-fn) list-a)
I'd prefer remove to filter + complement, though.
Ah, I should have read the rest of the thread more carefully. I keep forgetting
that 'remove exists.
I do prefer 'set and friends to 'into, though.
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Re: What's the point of - ?
2013/3/12 Marko Topolnik marko.topol...@gmail.com On Monday, March 11, 2013 11:51:17 PM UTC+1, Sean Corfield wrote: In addition to clj-time, I tend to use - with date-clj as well: (- (today) (subtract 30 :days)) And I find something like this: (- (- response :body :postalCodes) (map to-location) (sort-by :city)) much easier to read than: (sort-by :city (map to-location (:postalCodes (:body response In Clojure 1.5 I would write (as- response x (:body x) (:postalCodes x) (map to-location x) (sort-by :city x)) or, perhaps (as- response x (- x :body :postalCodes) (- x (map to-location) (sort-by :city)) or perhaps (- response :body :postalCodes (- (map to-location) (sort-by :city))) :-) I *love *as-* *! YMMV tho'... Ditto :) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
On Tuesday, March 12, 2013 10:54:35 AM UTC+1, Laurent PETIT wrote: or perhaps (- response :body :postalCodes (- (map to-location) (sort-by :city))) :-) Yes, jumping to - in the middle of - works; it fails the other way around. I was always frustrated by that asymmetry, hence my love for as- :) -Marko -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Improving visibility of clojure-doc.org
2013/3/12 Cedric Greevey cgree...@gmail.com If one of those is that Clojure documentation site that has a paywall, I object unless the merged site has no paywall. Official and officially-endorsed documentation for open source software should not be behind a paywall. Why don't you go to http://clojure-doc.org and see if it has a paywall. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Improving visibility of clojure-doc.org
2013/3/12 Robert Stuttaford robert.stuttaf...@gmail.com Has this effort started up yet? Is there a github url? I'd really love to see clojuredocs.org showing the 1.5 apis. Willing to help make that happen! I think the repos are https://github.com/dakrone/eisago https://github.com/dakrone/cadastre -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
Before long Clojure will have as much ugly, arcane syntax as Scala. (I say that mostly tongue in cheek, btw). For me, a lot of the attractiveness of Lisp languages is the minimal syntax that they have. I'm not a fan of adding more to Clojure than is already there. I'm just one voice and a very new one to Clojure, so I doubt my opinion will sway anyone else. I do love Clojure and hope to be able to use it more in the future, but I'll probably stick to the very basic syntax and forgo all this fancy sugar. Dave On Tuesday, March 12, 2013 4:07:19 AM UTC-5, Marko Topolnik wrote: On Monday, March 11, 2013 11:51:17 PM UTC+1, Sean Corfield wrote: In addition to clj-time, I tend to use - with date-clj as well: (- (today) (subtract 30 :days)) And I find something like this: (- (- response :body :postalCodes) (map to-location) (sort-by :city)) much easier to read than: (sort-by :city (map to-location (:postalCodes (:body response In Clojure 1.5 I would write (as- response x (:body x) (:postalCodes x) (map to-location x) (sort-by :city x)) or, perhaps (as- response x (- x :body :postalCodes) (- x (map to-location) (sort-by :city)) I *love *as-* *! YMMV tho'... Ditto :) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Improving visibility of clojure-doc.org
2013/3/12 Devin Walters dev...@gmail.com I assume this has been discussed to death already, but isn't there some way to get clojure-doc and clojuredocs to live under the same umbrella? We can host all relevant projects under the same GitHub org, that's a good idea. Merging two resources into one seems completely unnecessary to me. We can always have them link to each other in the navigation bar but there's too much difference in how each of them works (a Clojure analyzer + web app vs. a static site in Markdown) to try to combine them into a single code base. We can also have reference.clojure-doc.org or api.clojure-doc.org that redirects to clojuredocs.org. Another idea I'd like to throw out there: I have the domains getclojure.org/com. Since clojure-doc.org is all about getting clojure, it seems like it might be an appropriate home for clojure-doc. At the very least it would kill some of the ambiguity between clojuredocs and clojure-doc. To me getclojure.org sounds like something you would download Clojure from. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
On Tuesday, March 12, 2013 1:22:20 PM UTC+1, Dave Kincaid wrote: Before long Clojure will have as much ugly, arcane syntax as Scala. (I say that mostly tongue in cheek, btw). Clojure is way behind Scala on this score :) For me, a lot of the attractiveness of Lisp languages is the minimal syntax that they have. I'm not a fan of adding more to Clojure than is already there. I'm just one voice and a very new one to Clojure, so I doubt my opinion will sway anyone else. I do love Clojure and hope to be able to use it more in the future, but I'll probably stick to the very basic syntax and forgo all this fancy sugar. One way this will backfire is that you'll get mad and frustrated each time you read anyone else's idiomatic Clojure code. There really isn't that much of it around and any LISP has its own bag of idiosyncrasies. Do you know the Common Lisp *loop* construct? Or its *map*http://www.lispworks.com/documentation/HyperSpec/Body/f_mapc_.htm * menagerie? Now *that*'s what I call arcane, and what really did turn me off of CL. -Marko -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
2013/3/12 Dave Kincaid kincaid.d...@gmail.com Before long Clojure will have as much ugly, arcane syntax as Scala. (I say that mostly tongue in cheek, btw). For me, a lot of the attractiveness of Lisp languages is the minimal syntax that they have. I'm not a fan of adding more to Clojure than is already there. I'm just one voice and a very new one to Clojure, so I doubt my opinion will sway anyone else. I do love Clojure and hope to be able to use it more in the future, but I'll probably stick to the very basic syntax and forgo all this fancy sugar. I understand your concern. But be assured that the reputation of Clojure, in contrast, say, with Scala, is that it's a NO language rather than a YES language. Rich always thinks way more than twice before adding operators, and that's a good thing. For instance, there's been the -? operator in clojure.core.incubator for 3 years (at least) before it has been standardized into some- in Clojure 1.5 Another example : pods would be a new kind of ref, in gestation for more than 2 years. Not ready ? Not sure ? Won't include. Cheers, -- Laurent Petit -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
strange interop behaviour/issue
Hi all,
I came back to a project of mine after a week or so and I'm facing a
problem which I have no idea where it came from! This is the first time
I'm seeing it on this project - everything worked just fine a week ago!
The problem is this:
Consider some java class (opennlp-POS-tagger) with 3 .tag()
overloads...signatures and bodies follow:
public *String[] tag(String[] sentence)* {
return this.tag(sentence, null); //this is essentially what I'm
trying in my code
}
public *String[] tag(String[] sentence, Object[] additionaContext) *{
bestSequence = beam.bestSequence(sentence, additionaContext);
ListString t = bestSequence.getOutcomes();
return t.toArray(new String[t.size()]);
}
public *String[][] tag(int numTaggings, String[] sentence) *{
Sequence[] bestSequences = beam.bestSequences(numTaggings,
sentence,null);
String[][] tags = new String[bestSequences.length][];
for (int si=0;sitags.length;si++) {
ListString t = bestSequences[si].getOutcomes();
tags[si] = t.toArray(new String[t.size()]);
}
Now, from my code I'm trying to do:
(.tag opennlp-pos (into-array [New-York (NY) is the city
that never sleeps .]) nil)
which gives me a IllegalArgumentException Unexpected param type,
expected: int, given: [Ljava.lang.String; clojure.lang.Reflector.boxArg
(Reflector.java:432)
Basically, it's trying to invoke the last overload ,whereas I'm trying
to invoke the second one!!!
If I omit the 'nil' at the end , the correct method is invoked (the
first which calls the second)...why can't Clojure find the second
overload and goes for the 3rd?
any ideas?
Jim
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Re: fold over a sequence
So this turned out to be pretty easy. I've implemented a function called foldable-seq that takes a lazy sequence and turns it into something that can be folded in parallel. I've checked an example program that uses it to count words in a Wikipedia XML dump into GitHub: https://github.com/paulbutcher/foldable-seq The code for foldable-seq is here: https://github.com/paulbutcher/foldable-seq/blob/master/src/wordcount/reducers.clj#L60 On my 4-core MacBook Pro, I see a 40 second runtime without parallel-seq, 13 seconds with. -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: p...@paulbutcher.com AIM: paulrabutcher Skype: paulrabutcher On 11 Mar 2013, at 13:38, Paul Butcher p...@paulbutcher.com wrote: On 11 Mar 2013, at 11:00, Marko Topolnik marko.topol...@gmail.com wrote: The idea is to transform into a lazy sequence of eager chunks. That approach should work. Exactly. Right - I guess I should put my money where my mouth is and see if I can get it working... -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: p...@paulbutcher.com AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
Nice going :) Is it really impossible to somehow do this from the outside, through the public API? On Tuesday, March 12, 2013 2:34:43 PM UTC+1, Paul Butcher wrote: So this turned out to be pretty easy. I've implemented a function called foldable-seq that takes a lazy sequence and turns it into something that can be folded in parallel. I've checked an example program that uses it to count words in a Wikipedia XML dump into GitHub: https://github.com/paulbutcher/foldable-seq The code for foldable-seq is here: https://github.com/paulbutcher/foldable-seq/blob/master/src/wordcount/reducers.clj#L60 On my 4-core MacBook Pro, I see a 40 second runtime without parallel-seq, 13 seconds with. -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: pa...@paulbutcher.com javascript: AIM: paulrabutcher Skype: paulrabutcher On 11 Mar 2013, at 13:38, Paul Butcher pa...@paulbutcher.comjavascript: wrote: On 11 Mar 2013, at 11:00, Marko Topolnik marko.t...@gmail.comjavascript: wrote: The idea is to transform into a lazy sequence of eager chunks. That approach should work. Exactly. Right - I guess I should put my money where my mouth is and see if I can get it working... -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: pa...@paulbutcher.com javascript: AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
On 12 Mar 2013, at 13:45, Marko Topolnik marko.topol...@gmail.com wrote: Nice going :) Is it really impossible to somehow do this from the outside, through the public API? I think that it *does* do it from the outside through the public API :-) I'm just reifying the (public) CollFold protocol. I do copy a bunch of helper functions related to fork/join which are private within the reducers namespace (which isn't particularly nice). But I guess that this will go away when (if?) Clojure has a proper API to support fork/join. But I thought it better to do that than reinvent the wheel. Or am I missing something? -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: p...@paulbutcher.com AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
I've had exactly this problem trying to use reducers over a large file that wouldn't fit in memory. I tried iota, but had the issue that it was still scanning and memory mapping the entire file before it would start doing anything (pulling the whole thing through ram and taking a fair few minutes). How would feeding a line-seq into this compare to iota? And how would that compare to a version of iota tweaked to work in a slightly less eager fashion? Adam On Tuesday, March 12, 2013 1:34:43 PM UTC, Paul Butcher wrote: So this turned out to be pretty easy. I've implemented a function called foldable-seq that takes a lazy sequence and turns it into something that can be folded in parallel. I've checked an example program that uses it to count words in a Wikipedia XML dump into GitHub: https://github.com/paulbutcher/foldable-seq The code for foldable-seq is here: https://github.com/paulbutcher/foldable-seq/blob/master/src/wordcount/reducers.clj#L60 On my 4-core MacBook Pro, I see a 40 second runtime without parallel-seq, 13 seconds with. -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: pa...@paulbutcher.com javascript: AIM: paulrabutcher Skype: paulrabutcher On 11 Mar 2013, at 13:38, Paul Butcher pa...@paulbutcher.comjavascript: wrote: On 11 Mar 2013, at 11:00, Marko Topolnik marko.t...@gmail.comjavascript: wrote: The idea is to transform into a lazy sequence of eager chunks. That approach should work. Exactly. Right - I guess I should put my money where my mouth is and see if I can get it working... -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: pa...@paulbutcher.com javascript: AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: strange interop behaviour/issue
Ok I investigated a bit further and I found some seriously weird
stuff...I'm gonna need the help of a java expert here:
(pprint (.getMethods (.getClass opennlp-pos))) ;;notice that the method
I'm trying to call *doesn't exist according to this*
[#Method public static opennlp.tools.postag.POSModel
opennlp.tools.postag.POSTaggerME.train(java.lang.String,opennlp.tools.util.ObjectStream,opennlp.tools.util.model.ModelType,opennlp.tools.postag.POSDictionary,opennlp.tools.dictionary.Dictionary,int,int)
throws java.io.IOException,
#Method public void opennlp.tools.postag.POSTaggerME.probs(double[]),
#Method public double[] opennlp.tools.postag.POSTaggerME.probs(),
#Method public int opennlp.tools.postag.POSTaggerME.getNumTags(),
#Method public java.lang.String[]
opennlp.tools.postag.POSTaggerME.getOrderedTags(java.util.List,java.util.List,int),
#Method public java.lang.String[]
opennlp.tools.postag.POSTaggerME.getOrderedTags(java.util.List,java.util.List,int,double[]),
#Method public opennlp.tools.util.Sequence[]
opennlp.tools.postag.POSTaggerME.topKSequences(java.util.List),
#Method public opennlp.tools.util.Sequence[]
opennlp.tools.postag.POSTaggerME.topKSequences(java.lang.String[]),
*#Method public java.lang.String[]
opennlp.tools.postag.POSTaggerME.tag(java.lang.String[]),**
** #Method public java.lang.String
opennlp.tools.postag.POSTaggerME.tag(java.lang.String),**
** #Method public java.util.List
opennlp.tools.postag.POSTaggerME.tag(java.util.List),**
** #Method public java.lang.String[][]
opennlp.tools.postag.POSTaggerME.tag(int,java.lang.String[]),*
#Method public final void java.lang.Object.wait(long,int) throws
java.lang.InterruptedException,
#Method public final native void java.lang.Object.wait(long) throws
java.lang.InterruptedException,
#Method public final void java.lang.Object.wait() throws
java.lang.InterruptedException,
#Method public boolean java.lang.Object.equals(java.lang.Object),
#Method public java.lang.String java.lang.Object.toString(),
#Method public native int java.lang.Object.hashCode(),
#Method public final native java.lang.Class java.lang.Object.getClass(),
#Method public final native void java.lang.Object.notify(),
#Method public final native void java.lang.Object.notifyAll()]
nil
but then this seems very strange so I went and decompiled the class file
(actually the entire jar) and the method that takes 2 arrays as args
does exist both in the interface and the concrete implementation
(POSTagger POSTaggerME respectively)
how on earth can that be? any ideas anyone? this seems utterly odd to me!
Jim
On 12/03/13 13:26, Jim - FooBar(); wrote:
Hi all,
I came back to a project of mine after a week or so and I'm facing a
problem which I have no idea where it came from! This is the first
time I'm seeing it on this project - everything worked just fine a
week ago! The problem is this:
Consider some java class (opennlp-POS-tagger) with 3 .tag()
overloads...signatures and bodies follow:
public *String[] tag(String[] sentence)* {
return this.tag(sentence, null); //this is essentially what I'm
trying in my code
}
public *String[] tag(String[] sentence, Object[] additionaContext) *{
bestSequence = beam.bestSequence(sentence, additionaContext);
ListString t = bestSequence.getOutcomes();
return t.toArray(new String[t.size()]);
}
public *String[][] tag(int numTaggings, String[] sentence) *{
Sequence[] bestSequences = beam.bestSequences(numTaggings,
sentence,null);
String[][] tags = new String[bestSequences.length][];
for (int si=0;sitags.length;si++) {
ListString t = bestSequences[si].getOutcomes();
tags[si] = t.toArray(new String[t.size()]);
}
Now, from my code I'm trying to do:
(.tag opennlp-pos (into-array [New-York (NY) is the city
that never sleeps .]) nil)
which gives me a IllegalArgumentException Unexpected param type,
expected: int, given: [Ljava.lang.String;
clojure.lang.Reflector.boxArg (Reflector.java:432)
Basically, it's trying to invoke the last overload ,whereas I'm trying
to invoke the second one!!!
If I omit the 'nil' at the end , the correct method is invoked (the
first which calls the second)...why can't Clojure find the second
overload and goes for the 3rd?
any ideas?
Jim
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Re: fold over a sequence
On Tuesday, March 12, 2013 2:48:52 PM UTC+1, Paul Butcher wrote: On 12 Mar 2013, at 13:45, Marko Topolnik marko.t...@gmail.comjavascript: wrote: Nice going :) Is it really impossible to somehow do this from the outside, through the public API? I think that it *does* do it from the outside through the public API :-) I'm just reifying the (public) CollFold protocol. I do copy a bunch of helper functions related to fork/join which are private within the reducers namespace (which isn't particularly nice). But I guess that this will go away when (if?) Clojure has a proper API to support fork/join. But I thought it better to do that than reinvent the wheel. That's what I meant, succeed by relying on the way f/j is used by the reducers public API, without copy-pasting the internals and using them directly. So I guess the answer is no. -Marko -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
On 12 Mar 2013, at 13:52, Marko Topolnik marko.topol...@gmail.com wrote: That's what I meant, succeed by relying on the way f/j is used by the reducers public API, without copy-pasting the internals and using them directly. So I guess the answer is no. I don't believe that I could - the CollFold implementation effectively does a binary chop on the sequence which would force the whole sequence to be realised if I did the same. It's a sensible strategy for a fully realised data structure that already exists in memory, but not for a lazy sequence. -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: p...@paulbutcher.com AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
On 12 Mar 2013, at 13:49, Adam Clements adam.cleme...@gmail.com wrote: How would feeding a line-seq into this compare to iota? And how would that compare to a version of iota tweaked to work in a slightly less eager fashion? It'll not suffer from the problem of having to drag the whole file into memory, but will incur the overhead of turning everything into JVM data structures that iota avoids. I don't imagine that it would be hard to modify iota to use a similar approach though. Although I imagine that Alan's better placed to have an opinion on that :-) -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: p...@paulbutcher.com AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
someClass.getMethods() misses 2 public methods! how is that even possible?
the title says it all...I'm left speechless! see my previous post for details (strange interop behaviour/issue) thanks in advance for any insight... Jim -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: strange interop behaviour/issue
What explains the occurrence of these extra signatures that you don't mention above? It's hard to answer without having the full picture. On Tuesday, March 12, 2013 2:52:19 PM UTC+1, Jim foo.bar wrote: Ok I investigated a bit further and I found some seriously weird stuff...I'm gonna need the help of a java expert here: (pprint (.getMethods (.getClass opennlp-pos))) ;;notice that the method I'm trying to call *doesn't exist according to this* [..., *#Method public java.lang.String[] opennlp.tools.postag.POSTaggerME.tag(java.lang.String[]),** ** #Method public java.lang.String opennlp.tools.postag.POSTaggerME.tag(java.lang.String),** ** #Method public java.util.List opennlp.tools.postag.POSTaggerME.tag(java.util.List),** ** #Method public java.lang.String[][] opennlp.tools.postag.POSTaggerME.tag(int,java.lang.String[]),* ... ] nil but then this seems very strange so I went and decompiled the class file (actually the entire jar) and the method that takes 2 arrays as args does exist both in the interface and the concrete implementation (POSTagger POSTaggerME respectively) how on earth can that be? any ideas anyone? this seems utterly odd to me! -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: strange interop behaviour/issue
On 12/03/13 14:31, Marko Topolnik wrote: What explains the occurrence of these extra signatures that you don't mention above? It's hard to answer without having the full picture. they are deprecated...there are 5 .tag() overloads in total. 2 of them are deprecated (the one accepting List and the one accepting String)...the other 3 are ok but I'm missing one (the one taking 2 arrays)! I just discovered there is another one missing (the topKSequences taking 2 arrays)!!! the full picture is that 2 separate overloads don't show when calling getMethods()/getDeclaredMethods() even though they are both public! Having decompiled the jar I can confirm that the 2 methods are indeed present! In fact I was using them a week ago! I'm at a loss here...any help will be greatly appreciated... Jim -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Model-View-Controller in Clojure?
Thanks all.
Just to close this off, this is my (now working!) code, still needs some
re-factoring (especially given Jim's last note re not needing watches in
seesaw). It's basically a gui wrapped around the implementation of Life
from Clojure Programming, with a few functions to add gliders, guns etc in
the repl.
(ns conways-life.core
(:use seesaw.core
seesaw.graphics
seesaw.color))
; Conway's Life
(defn neighbours
[[x y]]
(for [dx [-1 0 1] dy [-1 0 1] :when (not= 0 dx dy)]
[(+ dx x) (+ dy y)]))
(defn step
Yields the next state of the world
[cells]
(set (for [[loc n] (frequencies (mapcat neighbours cells))
:when (or (= n 3) (and (= n 2) (cells loc)))]
loc)))
(def starting-live-cells #{})
(def current-live-cells (atom starting-live-cells))
(defn paint [c g]
(let [w (.getWidth c)
h (.getHeight c)]
(doseq [{:as cell} @current-live-cells]
(let [cell-x (* 10(cell 0))
cell-y (* 10(cell 1))]
(when (and ( cell-x w) ( cell-y h))
(draw g
(ellipse (mod cell-x w)
(mod cell-y h) 10 10)
(style :background (color 255 255 255 255
(defn cells-changed
; called when current-live-cells changes
[fr _ _ _ _]
(repaint! (select fr [:#canvas])))
(defn -main [ args]
(life))
(defn life []
(native!)
(def f (frame
:title Conway's Life
:width 500 :height 300
:content
(border-panel :hgap 5 :vgap 5 :border 5
; Create the canvas with initial nil paint function, i.e.
just canvas
; will be filled with it's background color and that's it.
:center (canvas :id :canvas :background #DD :paint
paint
(add-watch current-live-cells :log (partial cells-changed f))
(show! f)
(def evolve-delay 100) ; delay in milliseconds
(defn evolve []
(Thread/sleep evolve-delay)
(swap! current-live-cells step)
(recur)
)
(future (evolve)))
(defn add-glider
[x y cells]
(conj cells [(+ x 2) y][(+ 2 x) (+ y 1)][(+ 2 x) (+ y 2)][(+ x 1)(+ y
2)][x (+ y 1)]))
(defn add-blinker
[x y cells]
(conj cells [0 0][0 1][0 2]))
(defn add-gosper-gun
[x y cells]
(conj cells
[0 4][0 5]
[1 4][1 5]
[10 4][10 5][10 6]
[11 3][11 7]
[12 2][12 8]
[13 2][13 8]
[14 5]
[15 3][15 7]
[16 4][16 5][16 6]
[17 5]
[20 2][20 3][20 4]
[21 2][21 3][21 4]
[22 1][22 5]
[24 0][24 1][24 5][24 6]
[34 2][34 3]
[35 2][35 3]))
(defn reset []
(swap! current-live-cells (fn [_] #{})))
(defn gosper-gun []
(swap! current-live-cells (partial add-gosper-gun 0 0)))
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Re: Model-View-Controller in Clojure?
On 12/03/13 14:43, edw...@kenworthy.info wrote: Just to close this off, this is my (now working!) code, still needs some re-factoring (especially given Jim's last note re not needing watches in seesaw). It's basically a gui wrapped around the implementation of Life from Clojure Programming, with a few functions to add gliders, guns etc in the repl. I only said that cos you can do something like this: (def canvas The paintable canvas - our board (ssw/canvas :paint draw-tiles :id :canvas :listen [:mouse-clicked (fn [^MouseEvent e] (when (and (not (:block? @knobs)) (realized? curr-game)) (canva-react @curr-game e)))] )) If your state transformation doesn't depend on user input then your watch-approach is fine... :) Jim -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: strange interop behaviour/issue
It looks like: public String[] tag(String[] sentence, Object[] additionaContext); wasn't originally present in the API, and was added in: http://svn.apache.org/viewvc/opennlp/trunk/opennlp-tools/src/main/java/opennlp/tools/postag/POSTaggerME.java?r1=1245855r2=1294177 It sounds like you might have more than one version of the class on your classpath perhaps, or at least aren't using the code you think you're using? On Tue, Mar 12, 2013 at 2:38 PM, Jim - FooBar(); jimpil1...@gmail.comwrote: On 12/03/13 14:31, Marko Topolnik wrote: What explains the occurrence of these extra signatures that you don't mention above? It's hard to answer without having the full picture. they are deprecated...there are 5 .tag() overloads in total. 2 of them are deprecated (the one accepting List and the one accepting String)...the other 3 are ok but I'm missing one (the one taking 2 arrays)! I just discovered there is another one missing (the topKSequences taking 2 arrays)!!! the full picture is that 2 separate overloads don't show when calling getMethods()/**getDeclaredMethods() even though they are both public! Having decompiled the jar I can confirm that the 2 methods are indeed present! In fact I was using them a week ago! I'm at a loss here...any help will be greatly appreciated... Jim -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscribe@**googlegroups.comclojure%2bunsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/**group/clojure?hl=enhttp://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscribe@**googlegroups.comclojure%2bunsubscr...@googlegroups.com . For more options, visit https://groups.google.com/**groups/opt_outhttps://groups.google.com/groups/opt_out . -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: strange interop behaviour/issue
that is a reasonable thought indeed but it is extremely unlikely that something like this is happening...the version of opennlp I'm using is my own home-brewed one which I've manually installed in my local-repo for sometime now...in my project.clj the dependency looks like this: [experiment/experiment 1.5.3] the source of that jar is still on my eclipse workspace which I can consult very quickly...in addition I threw the jar in the JD decompiler and after poking around I did find the methods... however some other lib may be pulling in openNLP...give me 2 sec I'll get back to you... Jim On 12/03/13 14:49, David Powell wrote: It looks like: public String[] tag(String[] sentence, Object[] additionaContext); wasn't originally present in the API, and was added in: http://svn.apache.org/viewvc/opennlp/trunk/opennlp-tools/src/main/java/opennlp/tools/postag/POSTaggerME.java?r1=1245855r2=1294177 It sounds like you might have more than one version of the class on your classpath perhaps, or at least aren't using the code you think you're using? On Tue, Mar 12, 2013 at 2:38 PM, Jim - FooBar(); jimpil1...@gmail.com mailto:jimpil1...@gmail.com wrote: On 12/03/13 14:31, Marko Topolnik wrote: What explains the occurrence of these extra signatures that you don't mention above? It's hard to answer without having the full picture. they are deprecated...there are 5 .tag() overloads in total. 2 of them are deprecated (the one accepting List and the one accepting String)...the other 3 are ok but I'm missing one (the one taking 2 arrays)! I just discovered there is another one missing (the topKSequences taking 2 arrays)!!! the full picture is that 2 separate overloads don't show when calling getMethods()/getDeclaredMethods() even though they are both public! Having decompiled the jar I can confirm that the 2 methods are indeed present! In fact I was using them a week ago! I'm at a loss here...any help will be greatly appreciated... Jim -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com mailto:clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com mailto:clojure%2bunsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com mailto:clojure%2bunsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: strange interop behaviour/issue
David you are a genious!!! thank you thank you very much!!! one of my dependencies was pulling in opennlp/tools 1.5.0 which is a 2 year old jar!!! added :exclusions and now I'm back in the game If you're in Manchester Uk I'm buying beer... :) Jim On 12/03/13 14:49, David Powell wrote: It looks like: public String[] tag(String[] sentence, Object[] additionaContext); wasn't originally present in the API, and was added in: http://svn.apache.org/viewvc/opennlp/trunk/opennlp-tools/src/main/java/opennlp/tools/postag/POSTaggerME.java?r1=1245855r2=1294177 It sounds like you might have more than one version of the class on your classpath perhaps, or at least aren't using the code you think you're using? On Tue, Mar 12, 2013 at 2:38 PM, Jim - FooBar(); jimpil1...@gmail.com mailto:jimpil1...@gmail.com wrote: On 12/03/13 14:31, Marko Topolnik wrote: What explains the occurrence of these extra signatures that you don't mention above? It's hard to answer without having the full picture. they are deprecated...there are 5 .tag() overloads in total. 2 of them are deprecated (the one accepting List and the one accepting String)...the other 3 are ok but I'm missing one (the one taking 2 arrays)! I just discovered there is another one missing (the topKSequences taking 2 arrays)!!! the full picture is that 2 separate overloads don't show when calling getMethods()/getDeclaredMethods() even though they are both public! Having decompiled the jar I can confirm that the 2 methods are indeed present! In fact I was using them a week ago! I'm at a loss here...any help will be greatly appreciated... Jim -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com mailto:clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com mailto:clojure%2bunsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com mailto:clojure%2bunsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
On Tue, Mar 12, 2013 at 11:00 PM, Paul Butcher p...@paulbutcher.com wrote: On 12 Mar 2013, at 13:49, Adam Clements adam.cleme...@gmail.com wrote: How would feeding a line-seq into this compare to iota? And how would that compare to a version of iota tweaked to work in a slightly less eager fashion? It'll not suffer from the problem of having to drag the whole file into memory, but will incur the overhead of turning everything into JVM data structures that iota avoids. I don't imagine that it would be hard to modify iota to use a similar approach though. Although I imagine that Alan's better placed to have an opinion on that :-) If you're dealing with a stream that you'll only read once, then Paul's foldseq+line-seq should work much more effectively than Iota I'd think. Iota generates an index of line numbers so (nth iota-vec 100) is O(1), which is why it'll read through the entire file on loading. If you only need to access each line once, then that initial indexing step is likely a waste. If Paul wouldn't mind I'd like to add a a similar seq function to Iota that would allow for index-less processing like he did in foldable-seq. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
On 12 Mar 2013, at 15:55, Alan Busby thebu...@thebusby.com wrote: If Paul wouldn't mind I'd like to add a a similar seq function to Iota that would allow for index-less processing like he did in foldable-seq. Paul would be delighted :-) -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: p...@paulbutcher.com AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
On Tue, Mar 12, 2013 at 2:54 AM, Laurent PETIT laurent.pe...@gmail.com wrote: (- response :body :postalCodes (- (map to-location) (sort-by :city))) Ah, nice... I'll bear that in mind! -- Sean A Corfield -- (904) 302-SEAN An Architect's View -- http://corfield.org/ World Singles, LLC. -- http://worldsingles.com/ Perfection is the enemy of the good. -- Gustave Flaubert, French realist novelist (1821-1880) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
On Tue, Mar 12, 2013 at 2:07 AM, Marko Topolnik marko.topol...@gmail.com wrote: In Clojure 1.5 I would write Yes, well, we'll be on 1.5.1 soon. Since this is heavily used production code, we've been waiting for a gold release and for the memory leak to get fixed before moving to 1.5.x :) (as- response x (:body x) (:postalCodes x) (map to-location x) (sort-by :city x)) I like the new threading operators and I'm looking forward to using them but I'm not sure this is better since you need some neutral identifier that, in this expression, represents a map, a map, an array and a sequence so the choice is either picking a good name for all of those or something generic (most likely a punctuation symbol)... Definitely YMMV. I think cond- / some- will be more useful to us than as- but we'll see how it goes once we move up to 1.5.x. -- Sean A Corfield -- (904) 302-SEAN An Architect's View -- http://corfield.org/ World Singles, LLC. -- http://worldsingles.com/ Perfection is the enemy of the good. -- Gustave Flaubert, French realist novelist (1821-1880) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
I find the need to switch between - and - in a pipeline disturbs the
clarity of my code.
if designing from scratch should we favour being threadable with - or -
?
Is one more idiomatic than the other?
*Neale Swinnerton*
{t: @sw1nn https://twitter.com/#!/sw1nn, w: sw1nn.com }
On Tue, Mar 12, 2013 at 5:14 PM, Sean Corfield seancorfi...@gmail.comwrote:
On Tue, Mar 12, 2013 at 2:54 AM, Laurent PETIT laurent.pe...@gmail.com
wrote:
(- response :body :postalCodes (- (map to-location) (sort-by :city)))
Ah, nice... I'll bear that in mind!
--
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An Architect's View -- http://corfield.org/
World Singles, LLC. -- http://worldsingles.com/
Perfection is the enemy of the good.
-- Gustave Flaubert, French realist novelist (1821-1880)
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Re: Convincing employer to go for Clojure
All of the feedback here was really helpful. As a followup, I wanted to let you know that my company is The Minerva Project, and we've been given $25 million to build a university. After a lot of back and forth about which technology we wanted to use on the product side, we ended up settling on Clojure and have been really happy with the decision! For more info, check out a high-level blog post on why we chose Clojure (even though you know all this stuff): https://news.ycombinator.com/item?id=5363003. And feel free to find us for drinks and conversation at Clojure/West. Look forward to seeing many of you there, David On Wednesday, January 9, 2013 11:49:42 AM UTC-8, Ben Mabey wrote: On 1/7/13 4:02 PM, David Jacobs wrote: What other tips do you have for convincing an employer that Clojure makes good business sense? (Of course I've already told them about domain-tailored abstractions, containing complexity, the ease of data manipulation with a functional language, etc.) If your employer would put any stock in it you could mention that ThoughtWork's Technology Radar[1] has now moved Clojure into the adoption ring... meaning that they feel like the risks of the new technology are now mitigated enough to make sense for widespread adoption. -Ben 1. http://www.thoughtworks.com/articles/technology-radar-october-2012#Languages-%26amp%3B-Frameworks -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
On Tue, Mar 12, 2013 at 10:21 AM, Neale Swinnerton ne...@isismanor.com wrote: if designing from scratch should we favour being threadable with - or - ? My understanding is that the two threading macros are there to support two existing standard idioms in Clojure: * functions operating on collections tend to have the collection in the last argument slot (so you use -) * other functions - where the first argument is usually the cascade point so you use - (I remember reading a better articulated explanation than that but can't find the link easily - hopefully you get the idea) -- Sean A Corfield -- (904) 302-SEAN An Architect's View -- http://corfield.org/ World Singles, LLC. -- http://worldsingles.com/ Perfection is the enemy of the good. -- Gustave Flaubert, French realist novelist (1821-1880) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Moving ClojureScript to Clojure 1.5.0 data.json dependency
No issue from me. Just make sure you get the right version of data.json: 0.2.0 was a bad release. Use 0.2.1. -S On Friday, March 1, 2013 2:41:26 PM UTC-5, David Nolen wrote: Now that Clojure 1.5.0 is out the door I'd like to make ClojureScript depend on it. This would allow me to merge in the source map branch which is a work in progress but far enough along that the critical bits are there and it would be nice to get community contributions towards wrapping it up. Merging in the source map work would require adding data.json as a dependency. Anyone have issues with these changes? David -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Moving ClojureScript to Clojure 1.5.0 data.json dependency
Great! On Tue, Mar 12, 2013 at 2:16 PM, Stuart Sierra the.stuart.sie...@gmail.comwrote: No issue from me. Just make sure you get the right version of data.json: 0.2.0 was a bad release. Use 0.2.1. -S On Friday, March 1, 2013 2:41:26 PM UTC-5, David Nolen wrote: Now that Clojure 1.5.0 is out the door I'd like to make ClojureScript depend on it. This would allow me to merge in the source map branch which is a work in progress but far enough along that the critical bits are there and it would be nice to get community contributions towards wrapping it up. Merging in the source map work would require adding data.json as a dependency. Anyone have issues with these changes? David -- You received this message because you are subscribed to the Google Groups Clojure Dev group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure-dev+unsubscr...@googlegroups.com. To post to this group, send email to clojure-...@googlegroups.com. Visit this group at http://groups.google.com/group/clojure-dev?hl=en. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
Hi Paul, This might be an interesting contribution to clojure.core.reducers. I haven't looked at your code in detail, so I can't say for sure, but being able to do parallel fold over semi-lazy sequences would be very useful. -S On Tuesday, March 12, 2013 9:34:43 AM UTC-4, Paul Butcher wrote: So this turned out to be pretty easy. I've implemented a function called foldable-seq that takes a lazy sequence and turns it into something that can be folded in parallel. I've checked an example program that uses it to count words in a Wikipedia XML dump into GitHub: https://github.com/paulbutcher/foldable-seq The code for foldable-seq is here: https://github.com/paulbutcher/foldable-seq/blob/master/src/wordcount/reducers.clj#L60 On my 4-core MacBook Pro, I see a 40 second runtime without parallel-seq, 13 seconds with. -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: pa...@paulbutcher.com javascript: AIM: paulrabutcher Skype: paulrabutcher On 11 Mar 2013, at 13:38, Paul Butcher pa...@paulbutcher.comjavascript: wrote: On 11 Mar 2013, at 11:00, Marko Topolnik marko.t...@gmail.comjavascript: wrote: The idea is to transform into a lazy sequence of eager chunks. That approach should work. Exactly. Right - I guess I should put my money where my mouth is and see if I can get it working... -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: pa...@paulbutcher.com javascript: AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: nameclashes with java.lang
Actually, simply creating a namespace imports all of java.lang. The `ns` macro is responsible only for referring clojure.core. That's been true since 1.0. The only workaround right now is ns-unmap. -S On Wednesday, March 6, 2013 8:33:34 AM UTC-5, Jim foo.bar wrote: On 06/03/13 10:41, Phillip Lord wrote: Is there no equivalent to :refer-clojure for java.lang? I think java.lang is imported by the ns macro...if you don't use it then you don't get java.lang.* Jim -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: lazy seqs overflow the stack?
Yes. `concat` in a loop is tricky: each additional concatenation creates a new lazy sequence object which points to the previous lazy sequence. If you get too many of those, trying to realize the lazy sequence will cause a stack overflow. In general, I recommend using `concat` only in recursive functions that return lazy sequences, and never in a `loop` or `reduce`. If you want to accumulate a sequential result non-lazily, use `into` and a vector. -S On Saturday, March 2, 2013 2:38:24 PM UTC-5, Ben wrote: Try it and see: (reduce (fn [acc _] (concat acc acc)) '() (range 1750)) blows up with a stack overflow error. Changing the inner expression to (doall (concat acc acc)) avoids the issue, but (obviously) also requires giving up laziness. This is admittedly fairly insanely nested, but I would have expected it to work. -- Ben Wolfson Human kind has used its intelligence to vary the flavour of drinks, which may be sweet, aromatic, fermented or spirit-based. ... Family and social life also offer numerous other occasions to consume drinks for pleasure. [Larousse, Drink entry] -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What's the point of - ?
As I recall, Rich's explanation was basically that concrete types (collections) go first and abstractions (mostly sequence) go last. Hence (conj coll el), (cons el seq), (drop n seq), (assoc coll ...), etc. He also said that it was not a hard rule, so there might be exceptions in the standard library. There were also some back and forth about extensibility of some functions, such as assoc being able to take multiple key value pairs because the collection came first, which would not have been possible if the collection was last (this has apparently been added after the function's interface had been fixed, so it was not part of the design). I'd say the most important thing is that you be consistent with your own data representations. If you are building a set of functions to manipulate some given data abstraction, always put it in the same place. On 12 March 2013 18:29, Sean Corfield seancorfi...@gmail.com wrote: On Tue, Mar 12, 2013 at 10:21 AM, Neale Swinnerton ne...@isismanor.com wrote: if designing from scratch should we favour being threadable with - or - ? My understanding is that the two threading macros are there to support two existing standard idioms in Clojure: * functions operating on collections tend to have the collection in the last argument slot (so you use -) * other functions - where the first argument is usually the cascade point so you use - (I remember reading a better articulated explanation than that but can't find the link easily - hopefully you get the idea) -- Sean A Corfield -- (904) 302-SEAN An Architect's View -- http://corfield.org/ World Singles, LLC. -- http://worldsingles.com/ Perfection is the enemy of the good. -- Gustave Flaubert, French realist novelist (1821-1880) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
On 12 Mar 2013, at 18:26, Stuart Sierra the.stuart.sie...@gmail.com wrote: This might be an interesting contribution to clojure.core.reducers. I haven't looked at your code in detail, so I can't say for sure, but being able to do parallel fold over semi-lazy sequences would be very useful. I'd be delighted if this (or something like it) could make it into clojure.core.reducers, Stuart. What would I need to do to make this happen? -- paul.butcher-msgCount++ Snetterton, Castle Combe, Cadwell Park... Who says I have a one track mind? http://www.paulbutcher.com/ LinkedIn: http://www.linkedin.com/in/paulbutcher MSN: p...@paulbutcher.com AIM: paulrabutcher Skype: paulrabutcher -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
ANN Pantomime 1.7 is released
Pantomime [1] is a tiny Clojure library that deals with MIME types. Release notes: http://blog.clojurewerkz.org/blog/2013/03/12/pantomime-1-dot-7-0-is-released/ 1. http://github.com/michaelklishin/pantomime -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
ANN Validateur 1.4 is released
Validateur is a functional validations library inspired by Ruby's ActiveModel. Release notes for 1.4: http://blog.clojurewerkz.org/blog/2013/03/12/validateur-1-dot-4-0-is-released/ 1. http://clojurevalidations.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: ANN Validateur 1.4 is released
We recommend all users to upgrade to 1.7.0https://clojars.org/com.novemberain/validateur/versions/1.7.0 . I'm guessing it should be 1.4.0? Jonathan On Tue, Mar 12, 2013 at 8:58 PM, Michael Klishin michael.s.klis...@gmail.com wrote: Validateur is a functional validations library inspired by Ruby's ActiveModel. Release notes for 1.4: http://blog.clojurewerkz.org/blog/2013/03/12/validateur-1-dot-4-0-is-released/ 1. http://clojurevalidations.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: ANN Validateur 1.4 is released
2013/3/13 Jonathan Fischer Friberg odysso...@gmail.com We recommend all users to upgrade to 1.7.0https://clojars.org/com.novemberain/validateur/versions/1.7.0 . I'm guessing it should be 1.4.0? Correct, thanks for spotting. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Clojure HTML5 Game Development
Any resources/people dedicated to game development using Clojure/Clojurescript? I have made a couple games using HTML5/Javascript with the canvas element, and seeing that Clojurescript can replace Javascript coupled with Clojure hosting an HTTP web server, I was thinking of moving over to the Clojure way of coding things.. Any suggestions? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Java interop with dynamic proxies
Hi All, I have to interface with a Java project that is used in the following way: Factory f = Factory.createInstance(); Fred fred = f.create( Fred.class); fred.setName( Fred); Where Fred is just an interface with some getters and setters, and I guess the dynamic proxy generates the right code behind the covers. Any ideas how to do the equivalent in Clojure? (I figured out how to do the first line, but have tried various things for the second to no avail) TIA Thomas -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Clojure HTML5 Game Development
I was thinking of moving over to the Clojureway of coding things.. Any suggestions? I'm looking into that myself. The most promising approach I think is to use Gambit ( https://github.com/ibdknox/gambit ) from Chris Granger, he built ChromaShift on it ( https://github.com/ibdknox/ChromaShift ) -- Claudia +44 7563 242885 http://gplus.to/gattoclaudia @doppioslash http://stackoverflow.com/users/560848/doppioslash -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: fold over a sequence
See clojure.org/contributing
it's all there.
On Tuesday, March 12, 2013, Paul Butcher wrote:
On 12 Mar 2013, at 18:26, Stuart Sierra
the.stuart.sie...@gmail.comjavascript:_e({}, 'cvml',
'the.stuart.sie...@gmail.com');
wrote:
This might be an interesting contribution to clojure.core.reducers. I
haven't looked at your code in detail, so I can't say for sure, but being
able to do parallel fold over semi-lazy sequences would be very useful.
I'd be delighted if this (or something like it) could make it into
clojure.core.reducers, Stuart. What would I need to do to make this happen?
--
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Re: Clojure HTML5 Game Development
I'm thinking about writing an idiomatic wrapper for the gameclosure library, I'm going to call it gameclojurescript. It's good to see other people wanting to do this too! On Tuesday, March 12, 2013 4:34:21 PM UTC-4, Reginald Choudari wrote: Any resources/people dedicated to game development using Clojure/Clojurescript? I have made a couple games using HTML5/Javascript with the canvas element, and seeing that Clojurescript can replace Javascript coupled with Clojure hosting an HTTP web server, I was thinking of moving over to the Clojure way of coding things.. Any suggestions? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Java interop with dynamic proxies
Do you want to know how to define Fred, or how to translate the above code snippet? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
ANN: Xenopath 0.1.0 (XPath for Clojure)
I've released 0.1.0 of my XPath library. My goal is to create a light library that wraps Java's javax.xml.xpath and org.w3c.dom packages. It's not feature complete, but it should be enough to get started with XPath. Any feedback is appreciated! https://github.com/jeremyheiler/xenopath //Jeremy -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Java interop with dynamic proxies
I think you can simply use 'Fred' instead of 'Fred.class'. Since, in the repl: (class Integer) ;= java.lang.Class I.e. just by using the name, we get a Class object, which should correspond to .class in java. In other words, you should be able to run: (let [f (Factory/createInstance) fred (.create f Fred)] (.setName fred Fred)) Might be wrong though. :) Jonathan On Wed, Mar 13, 2013 at 12:08 AM, Brian Goslinga brian.gosli...@gmail.comwrote: Do you want to know how to define Fred, or how to translate the above code snippet? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Java interop: Can't call public method of non-public class
hey, I have a similar problem, even when i type annotate with clojure 1.5 i still get that error.. any suggestions? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Java interop: Can't call public method of non-public class
I meant to post this as a reply to https://groups.google.com/d/msg/clojure/jYfEKVH5GsQ/3Hq5hU0u6UQJ In my case i am trying to get clojure working with netty 4, here is the code: (def #^AbstractBootstrap b (ServerBootstrap.)) (.channel ^AbstractBootstraphttps://github.com/netty/netty/blob/master/transport/src/main/java/io/netty/bootstrap/AbstractBootstrap.java#L84b ^Class io.netty.channel.socket.nio.NioServerSocketChannel) which returns the error: java.lang.IllegalArgumentException: Can't call public method of non-public class: public io.netty.bootstrap.AbstractBootstrap io.netty.bootstrap.AbstractBootstrap.channel(java.lang.Class) at clojure.lang.Reflector.invokeMatchingMethod (Reflector.java:88) why does it still use the reflector even though its fully annotated, and how do i get over that non-public class issue?.. On Wednesday, March 13, 2013 2:26:00 AM UTC+2, Shlomi Vaknin wrote: hey, I have a similar problem, even when i type annotate with clojure 1.5 i still get that error.. any suggestions? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Clojure HTML5 Game Development
On Tuesday, March 12, 2013 1:34:21 PM UTC-7, Reginald Choudari wrote: Any resources/people dedicated to game development using Clojure/Clojurescript? I have made a couple games using HTML5/Javascript with the canvas element, and seeing that Clojurescript can replace Javascript coupled with Clojure hosting an HTTP web server, I was thinking of moving over to the Clojure way of coding things.. Any suggestions? There are some links here, http://lispgames.org/index.php/Clojurescript -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Java interop: Can't call public method of non-public class
On Tue, Mar 12, 2013 at 5:46 PM, shlomivak...@gmail.com wrote:
In my case i am trying to get clojure working with netty 4, here is the
code:
(def #^AbstractBootstrap b (ServerBootstrap.))
(.channel ^AbstractBootstrap b ^Class
io.netty.channel.socket.nio.NioServerSocketChannel)
which returns the error:
java.lang.IllegalArgumentException: Can't call public method of non-public
class: public io.netty.bootstrap.AbstractBootstrap
io.netty.bootstrap.AbstractBootstrap.channel(java.lang.Class)
at clojure.lang.Reflector.invokeMatchingMethod (Reflector.java:88)
I can't reproduce this (with Clojure 1.5.1, Netty 4.0.0.Alpha8):
user= (set! *warn-on-reflection* true)
true
user= (import '(io.netty.bootstrap AbstractBootstrap ServerBootstrap))
io.netty.bootstrap.ServerBootstrap
user= (def b (ServerBootstrap.))
#'user/b
user= (.channel ^AbstractBootstrap b ^Class
io.netty.channel.socket.nio.NioServerSocketChannel)
#ServerBootstrap ServerBootstrap(factory: NioServerSocketChannel.class)
user= *clojure-version*
{:major 1, :minor 5, :incremental 1, :qualifier nil}
user=
Can you provide more detail?
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An Architect's View -- http://corfield.org/
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Re: What's the point of - ?
One other thing to consider is partial application. The collection functions tend to put the most-likely-to-be-curried arguments first. For example: (def sum (partial reduce + 0)) Compare to coll-reduce, which dispatches on the type of the first argument: (require '[clojure.core.protocols :refer (coll-reduce)]) (def sum #(coll-reduce % + 0)) On Tuesday, March 12, 2013 1:29:31 PM UTC-4, Sean Corfield wrote: On Tue, Mar 12, 2013 at 10:21 AM, Neale Swinnerton ne...@isismanor.comjavascript: wrote: if designing from scratch should we favour being threadable with - or - ? My understanding is that the two threading macros are there to support two existing standard idioms in Clojure: * functions operating on collections tend to have the collection in the last argument slot (so you use -) * other functions - where the first argument is usually the cascade point so you use - (I remember reading a better articulated explanation than that but can't find the link easily - hopefully you get the idea) -- Sean A Corfield -- (904) 302-SEAN An Architect's View -- http://corfield.org/ World Singles, LLC. -- http://worldsingles.com/ Perfection is the enemy of the good. -- Gustave Flaubert, French realist novelist (1821-1880) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Clojure 1.5.0 bug (Java interop: Compiler.load(new StringReader(str));)
A new error occurred in Clojure 1.5.0.
(Java interop: Compiler.load(new StringReader(str));)
# Code #
import java.io.IOException;
import java.io.StringReader;
import clojure.lang.Compiler;
import clojure.lang.RT;
import clojure.lang.Var;
public class Main {
public static void main(String[] args) throws IOException,
ClassNotFoundException {
//clojure.main.main(args);
// Load the Clojure script -- as a side effect this initializes the
runtime.
String str = (ns user) (defn foo [a b] (str a \ \ b)) (def a
3);
//RT.loadResourceScript(foo.clj);
Compiler.load(new StringReader(str));
// Get a reference to the foo function.
Var foo = RT.var(user, foo);
Var a = RT.var(user, a); // reference to the variable a
// Call it!
Object result = foo.invoke(Hi, there);
System.out.println(result);
System.out.println(a);
System.out.println(a.get());
}
}
Test code:
*https://bitbucket.org/ktg/clojureembedtest*https://bitbucket.org/ktg/clojureembedtest(Eclipse
project)
Reference: *
http://stackoverflow.com/questions/2181774/calling-clojure-from-java*http://stackoverflow.com/questions/2181774/calling-clojure-from-java
$ java -version
java version 1.7.0_15
OpenJDK Runtime Environment (IcedTea7 2.3.7) (7u15-2.3.7-0ubuntu1~12.04.1)
OpenJDK Client VM (build 23.7-b01, mixed mode, sharing)
$ java -cp clojure-1.5.0.jar:. Main
Exception in thread main java.lang.ExceptionInInitializerError
at clojure.lang.Compiler.clinit(Compiler.java:47)
at Main.main(Main.java:16)
Caused by: java.lang.NullPointerException
at clojure.lang.RT.baseLoader(RT.java:2043)
at clojure.lang.RT.load(RT.java:417)
at clojure.lang.RT.load(RT.java:411)
at clojure.lang.RT.doInit(RT.java:447)
at clojure.lang.RT.clinit(RT.java:329)
... 2 more
$ java -cp clojure-1.4.0.jar:. Main
Hi there
#'user/a
3
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Re: Clojure 1.5.0 bug (Java interop: Compiler.load(new StringReader(str));)
Yegor Bugayenko posted in a comment on ticket CLJ-1172 (
http://dev.clojure.org/jira/browse/CLJ-1172) that calling RT.init() before
Compiler.load() solved what looks like a similar problem for him.
Andy
On Tue, Mar 12, 2013 at 6:29 PM, Taegyoon Kim stelofl...@gmail.com wrote:
A new error occurred in Clojure 1.5.0.
(Java interop: Compiler.load(new StringReader(str));)
# Code #
import java.io.IOException;
import java.io.StringReader;
import clojure.lang.Compiler;
import clojure.lang.RT;
import clojure.lang.Var;
public class Main {
public static void main(String[] args) throws IOException,
ClassNotFoundException {
//clojure.main.main(args);
// Load the Clojure script -- as a side effect this initializes
the runtime.
String str = (ns user) (defn foo [a b] (str a \ \ b)) (def a
3);
//RT.loadResourceScript(foo.clj);
Compiler.load(new StringReader(str));
// Get a reference to the foo function.
Var foo = RT.var(user, foo);
Var a = RT.var(user, a); // reference to the variable a
// Call it!
Object result = foo.invoke(Hi, there);
System.out.println(result);
System.out.println(a);
System.out.println(a.get());
}
}
Test code:
*https://bitbucket.org/ktg/clojureembedtest*https://bitbucket.org/ktg/clojureembedtest(Eclipse
project)
Reference: *http://stackoverflow.com/questions/2181774/calling-
clojure-from-java*http://stackoverflow.com/questions/2181774/calling-clojure-from-java
$ java -version
java version 1.7.0_15
OpenJDK Runtime Environment (IcedTea7 2.3.7) (7u15-2.3.7-0ubuntu1~12.04.1)
OpenJDK Client VM (build 23.7-b01, mixed mode, sharing)
$ java -cp clojure-1.5.0.jar:. Main
Exception in thread main java.lang.**ExceptionInInitializerError
at clojure.lang.Compiler.clinit**(Compiler.java:47)
at Main.main(Main.java:16)
Caused by: java.lang.NullPointerException
at clojure.lang.RT.baseLoader(RT.**java:2043)
at clojure.lang.RT.load(RT.java:**417)
at clojure.lang.RT.load(RT.java:**411)
at clojure.lang.RT.doInit(RT.**java:447)
at clojure.lang.RT.clinit(RT.**java:329)
... 2 more
$ java -cp clojure-1.4.0.jar:. Main
Hi there
#'user/a
3
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[ANN] Syme: for real-time collaborating over SSH
Hello folks. I'd like to announce a side-project I've been working on: https://syme.herokuapp.com From the FAQ: (https://syme.herokuapp.com/faq) # So what does Syme offer? It sets up disposable EC2 nodes for collaborating on GitHub projects via ssh and tmux. * Enter the name of a GitHub repo. (Authorize Syme via GitHub if you haven't already.) * Enter your AWS credentials and names of GitHub users to invite. * SSH into the instance once it's booted using the command shown and launch tmux. * Send the login info to the users you have invited. If you develop using tools that can be operated from the command line, Syme makes it easy to put up EC2 instances that can be used for collaborative development. It handles setting up SSH public keys for all collaborators, checking out the project, and loading up required packages. So as long as you have a GitHub account and an Amazon Web Services account, you can get started in just a couple clicks. As someone who works as part of a distributed team, I built this to reduce friction of remote collaboration. If you can easily spin up a node to look at a codebase together, you're much more likely to work together on things and get feedback live as you're coding. Of course, it's possible to do this on your own machines, but then you have to deal with setting up a user with limited access, plus you have to configure port forwarding and NAT, which can be a real problem if you work on public wifi or a mobile data connection. We also have used it at the Seattle Clojure group meetings, where a disposable, untrusted instance comes in very handy. Syme is inspired by https://pair.io, a (now-defunct) similar service, but its model is bring your own AWS credentials, which allows it to punt on billing and other complicated bits. The result is a codebase that clocks in at just under 500 lines. I feel like it's fairly accessible, (compojure+hiccup, jdbc+postgres) and I would welcome contributions. I have a list of planned features here: https://github.com/technomancy/syme/issues Please let me know what you think if you get a chance to use it. -Phil -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
What causes the text that I print to the terminal to become mangled garbage?
I saw some functions here that measure CPU and thread usage: http://lifeisagraph.com/2011/04/24/debugging-clojure.html That looked good, so I imported them into my app. I've done this before and not had a problem with it. For logging, I like to use the Timbre library: https://github.com/ptaoussanis/timbre And then I thought I should call the thread-measuring function and hand its return value to timbre. And suddenly the info that I'm logging to the terminal became a mangled mess of strangely intermingled text. Can anyone suggest why this is happening? ((applyapply str at the start of persistrst-sessi on -data-to-databaseop,t io ouarnt cvtpaluhu eea =nsd'tt athrehtar teoeafrd 'deTlh eetaete-urol/do-pssteioanssiogns , eour c pu alnd thoreado usagke losoks l liikeke this:t his : option value='music'Music/option(debug/thread-top)) (debug/thread-top) ) [ at the[ start of adeleoptteio-no vladlu-es='easlsl-ikoinndss,' Aolulr ki ndcsp/to pttihone ]s]ta rt of peu2013-Mar-12 23:03:21 -0400 MacBook-Pro.local DEBUG [kiosks-clojure.core] - in get-options-for-select-box: [option v\ alue='dance'Dance/option option value='theater'Theater/option option value='music'Music/option option value='all-kinds'\ All kinds/option] r sainstd- thsreesasdi ouns-adgaet al-oto2ok0-s1d 3l-iMkaer a-tt1ah2ib sa2:s3 e:[,03 31o:u42412 7-7r00 4 c \pLua wDarenesdnt crteohs\ yr-JeMaaavcdaB ouVosMka\ge 2l2o o#k-TPhrroe.aldo s clailk eD EtBhUiGs :[ k[i3o1s4k4Ts2h-7rce7la0od0j[uDrees.tcrooryeJ]ava VM,05 ,\maiDne]st]ro[4y7Ja3i1vna6V0 0Mg0\e t\- 2o2p t#ioTnhsr-efaodrT -hTsrheerlaedc-t1-1b\ox: 19 #Thea[dr[[eDaeds tTrhoryeJada[vToaphrtVeiMoa,nd5- ,1vm1aa,luien=]'d]a[n4c6e0'210D0a0n c\e/Tohprteiaodn-11\ 19 #Thr5e,maadin] ]\ T[h3r0e8a9d4[0T0h0r e\ad-T1h1r,ead-12\ 20 #Thread Thread[Th r ead-12,5,main]][51,3m4a2i7n0]00] [3\0894000 \Thread-12\Tohread- 1230\ # 2Th1 re#aTd hTrehared aTdh[rTehad[Tread-12,5,main]][\ 1340 \hread-13,5,maiTnh]re]a[96 d\-13q\tp5 2211 8#89pT0thi0or5ne-a1 dv1a lTuSehe=rl'teehaceadtt[oerTr'hrTheeaadte-r13/,op5\ t,imonain] ] [96\0 \q t1p15 2#18T8h9r0e0a5d- 1T1h rSeealde[cqtotrp052\18 81910 0#5-T1h1r Seealde Tchtroera0d,[5q,tpm5a2i1n8]89]0[0854-9101\ 0S0e l\ectqort0p,55,main]][849000 \qtp52121889080859-01035 -A1c3ce pAtcocre0pt oSer0l ecSteClehcatnCnehalnConnenleCoctnnore@c0t.oo0r\ p.@t0i0o..n0 0:v.a3l00u.e00=0':1m3u\s0i0c0'1M\usic 1/3o pt# io1nT3h r#ea At least some of this mangled text is coming from this function, which is called at startup and then runs in its own thread, repeating endlessly: (defn persist-session-data-to-database [] (timbre/spy :debug (apply str at the start of persist-session-data-to-database, our cpu and thread usage looks like this: (debug/thread-top))) (try (let [documents-to-be-persisted (get-data-to-be-persisted)] (doseq [[k v] documents-to-be-persisted] (monger/persist-document-to-database (add-key-to-document k v (catch Exception e (debug/print-error-info e))) (timbre/spy :debug (apply str at the end of persist-session-data-to-database, our cpu and thread usage looks like this: (debug/thread-top))) (. java.lang.Thread sleep 60) (persist-session-data-to-database)) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: What causes the text that I print to the terminal to become mangled garbage?
tl;dr concurrency is hard Jason Lewis Email jasonlewi...@gmail.com Twitter@canweriotnow http://twitter.com/canweriotnow Blog http://decomplecting.org About http://about.me/jason.lewis On Tue, Mar 12, 2013 at 11:27 PM, Michael Klishin michael.s.klis...@gmail.com wrote: 2013/3/13 larry google groups lawrencecloj...@gmail.com At least some of this mangled text is coming from this function, which is called at startup and then runs in its own thread If your app itself prints stuff to stdout/stderr, it is likely to be interleaved with the output from the spying thread. Thread execution order and time slicing is non-deterministic and nothing synchronizes writing to stdout/stderr to enforce ordering. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Clojure 1.5.0 bug (Java interop: Compiler.load(new StringReader(str));)
But then(putting RT.init()),
Compiler.load() works, but Console (stderr?) says
No need to call RT.init() anymore
So I think this problem should be fixed.
2013년 3월 13일 수요일 오전 11시 32분 5초 UTC+9, Andy Fingerhut 님의 말:
Yegor Bugayenko posted in a comment on ticket CLJ-1172 (
http://dev.clojure.org/jira/browse/CLJ-1172) that calling RT.init()
before Compiler.load() solved what looks like a similar problem for him.
Andy
On Tue, Mar 12, 2013 at 6:29 PM, Taegyoon Kim stelo...@gmail.comjavascript:
wrote:
A new error occurred in Clojure 1.5.0.
(Java interop: Compiler.load(new StringReader(str));)
# Code #
import java.io.IOException;
import java.io.StringReader;
import clojure.lang.Compiler;
import clojure.lang.RT;
import clojure.lang.Var;
public class Main {
public static void main(String[] args) throws IOException,
ClassNotFoundException {
//clojure.main.main(args);
// Load the Clojure script -- as a side effect this initializes
the runtime.
String str = (ns user) (defn foo [a b] (str a \ \ b)) (def a
3);
//RT.loadResourceScript(foo.clj);
Compiler.load(new StringReader(str));
// Get a reference to the foo function.
Var foo = RT.var(user, foo);
Var a = RT.var(user, a); // reference to the variable a
// Call it!
Object result = foo.invoke(Hi, there);
System.out.println(result);
System.out.println(a);
System.out.println(a.get());
}
}
Test code:
*https://bitbucket.org/ktg/clojureembedtest*https://bitbucket.org/ktg/clojureembedtest(Eclipse
project)
Reference: *http://stackoverflow.com/questions/2181774/calling-
clojure-from-java*http://stackoverflow.com/questions/2181774/calling-clojure-from-java
$ java -version
java version 1.7.0_15
OpenJDK Runtime Environment (IcedTea7 2.3.7) (7u15-2.3.7-0ubuntu1~12.04.1)
OpenJDK Client VM (build 23.7-b01, mixed mode, sharing)
$ java -cp clojure-1.5.0.jar:. Main
Exception in thread main java.lang.**ExceptionInInitializerError
at clojure.lang.Compiler.clinit**(Compiler.java:47)
at Main.main(Main.java:16)
Caused by: java.lang.NullPointerException
at clojure.lang.RT.baseLoader(RT.**java:2043)
at clojure.lang.RT.load(RT.java:**417)
at clojure.lang.RT.load(RT.java:**411)
at clojure.lang.RT.doInit(RT.**java:447)
at clojure.lang.RT.clinit(RT.**java:329)
... 2 more
$ java -cp clojure-1.4.0.jar:. Main
Hi there
#'user/a
3
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ClojureCLR - Question about the Debug 3.5 build configuration and System.Reflection.Assembly.IsDynamic property
Hi, I'm trying to build ClojureCLR from the latest clojure-clr-master.ZIP file I downloaded from GitHub. With Debug 3.5 as the build configuration I get a compilation error in Clojure\lib\RT.cs that System.Reflection.Assembly does not contain a definition for 'IsDynamic'. Is this expected? When I use Debug 4.0 it builds fine. Thank you. -Fiel -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Redefinition of datatypes
core.typed dependencies are all in Central now. Here's a reproducible example of this failure. http://build.clojure.org/job/core.typed/3/console Thanks, Ambrose On Sun, Feb 24, 2013 at 12:50 AM, Chas Emerick c...@cemerick.com wrote: On Feb 23, 2013, at 11:35 AM, Stuart Sierra wrote: Furthermore, according to the policy of the Maven Central Repositoryhttp://search.maven.org/, we cannot deploy anything which depends on third-party repositories. Therefore we cannot deploy core.typed to the Central Repository unless all its dependencies are also deployed there. Straying further off-topic, but: FWIW, unless they've changed the verification of POMs being promoted recently, that's not so. The official guide to OSS deployment only says it's strongly discouraged ( https://docs.sonatype.org/display/Repository/Sonatype+OSS+Maven+Repository+Usage+Guide), and links to blog posts that indicate that Sonatype is (was?) planning on rewriting POMs to remove external repository definitions, but tons of artifacts in central still contain them, e.g.: http://repo1.maven.org/maven2/org/openid4java/openid4java-nodeps/0.9.6/openid4java-nodeps-0.9.6.pom (…which refers to a now-defunct Guice repository, thus highlighting the rationale for the proposed no-external-repositories policy.) Cheers, - Chas -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Clojure 1.5.0 bug (Java interop: Compiler.load(new StringReader(str));)
Based on discussions I've seen on this list and clojure-dev, I think
you're using internal APIs that are not considered supported and
therefore subject to change at any time.
I asked about using clojure.lang.RT a while ago and was told to rely
on very little of the API, for example, so all I rely on is .var() and
calling .invoke() on the result of that. I would say the Compiler is
out of bounds and that you should instead use RT.var() and .invoke()
with basic Clojure functions to read and eval your string.
On Tue, Mar 12, 2013 at 6:29 PM, Taegyoon Kim stelofl...@gmail.com wrote:
A new error occurred in Clojure 1.5.0.
(Java interop: Compiler.load(new StringReader(str));)
# Code #
import java.io.IOException;
import java.io.StringReader;
import clojure.lang.Compiler;
import clojure.lang.RT;
import clojure.lang.Var;
public class Main {
public static void main(String[] args) throws IOException,
ClassNotFoundException {
//clojure.main.main(args);
// Load the Clojure script -- as a side effect this initializes the
runtime.
String str = (ns user) (defn foo [a b] (str a \ \ b)) (def a
3);
//RT.loadResourceScript(foo.clj);
Compiler.load(new StringReader(str));
// Get a reference to the foo function.
Var foo = RT.var(user, foo);
Var a = RT.var(user, a); // reference to the variable a
// Call it!
Object result = foo.invoke(Hi, there);
System.out.println(result);
System.out.println(a);
System.out.println(a.get());
}
}
Test code: https://bitbucket.org/ktg/clojureembedtest (Eclipse project)
Reference:
http://stackoverflow.com/questions/2181774/calling-clojure-from-java
$ java -version
java version 1.7.0_15
OpenJDK Runtime Environment (IcedTea7 2.3.7) (7u15-2.3.7-0ubuntu1~12.04.1)
OpenJDK Client VM (build 23.7-b01, mixed mode, sharing)
$ java -cp clojure-1.5.0.jar:. Main
Exception in thread main java.lang.ExceptionInInitializerError
at clojure.lang.Compiler.clinit(Compiler.java:47)
at Main.main(Main.java:16)
Caused by: java.lang.NullPointerException
at clojure.lang.RT.baseLoader(RT.java:2043)
at clojure.lang.RT.load(RT.java:417)
at clojure.lang.RT.load(RT.java:411)
at clojure.lang.RT.doInit(RT.java:447)
at clojure.lang.RT.clinit(RT.java:329)
... 2 more
$ java -cp clojure-1.4.0.jar:. Main
Hi there
#'user/a
3
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