I'm trying to use JVisualVM to profile some Clojure code.
One thing I successfully figured out from using the profiler was that
lein swank was not actually starting the jvm in -server mode like I
thought it was. Arggh, now I have to figure out what's going wrong
there.
In the meantime, I fired
No, they should: http://dev.clojure.org/jira/browse/CLJ-705
Stu
I notice that clojure.lang.PersistentTreeMap does not implement
SortedMap (let alone NavigableMap), unlike java.util.TreeMap.
Any particular reason why?
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Basically, I want the clojure equivalent of a clisp atom.
In clisp, atom is true for everything that is not a cons cell.
The closest match I found is creating a macro that returns true for
everything that is not a list:
clisp:
(atom 1) = true
(atom '(1 2 3)) = false
I hope that makes
(type (sorted-map-by 3 1 2 4 5 3))
clojure.lang.PersistentTreeMap
user (type (select-keys (sorted-map-by 3 1
2011/1/9 Mark Engelberg mark.engelb...@gmail.com:
I'm trying to use JVisualVM to profile some Clojure code.
One thing I successfully figured out from using the profiler was that
lein swank was not actually starting the jvm in -server mode like I
thought it was. Arggh, now I have to figure
Hm I've used JVisualVM before but not in cojunction with lein swank.
On my machine it appears to start two clojure.main processes both on
the client jvm, and referencing the clojure 1.2 jar despite having one
of the 1.3 versions in project.clj. Hrm..
On Jan 9, 6:15 am, Mark Engelberg
On 9 January 2011 16:23, bOR_ boris.sch...@gmail.com wrote:
(type (sorted-map-by 3 1 2 4 5 3))
clojure.lang.PersistentTreeMap
user (type (select-keys (sorted-map-by 3 1 2 4 5 3) (list 5 2 3)))
clojure.lang.PersistentArrayMap
Not sure if this is related in any way but the topic of
Hey for the lasts 6 months I am developing an action RPG game in
clojure (and learning the language).
For this game I developed an entity component system which is a way of
using composition to create entities in the game.
I also use slick2d for the 2d engine.
Here I posted some examples for
Hi,
finally I find some time to dive into the development with Clojure for
Googles AppEngine.
My first question is: which library should a newcomer use, appengine[1] or
appengine-magic[2]? Or can you give me some hints in which way they
differ? They both seem to be actively developed. And
I have used cron4j in a small project, it's like a more lightweight
version of Quartz and fits nicely with Clojure:
http://www.sauronsoftware.it/projects/cron4j/
Code example here: https://gist.github.com/388555
/Patrik
On Jan 8, 8:37 pm, Trevor tcr1...@gmail.com wrote:
Thanks, everyone for
On Jan 9, 10:54 am, Stefan Kamphausen ska2...@googlemail.com wrote:
Given that decision I'd like to understand the general development process.
Does one always compile to a class (ns ...gen-class ..extends ..Servlet) and
will the appengine development server pick up the changes, or will I
Hi,
On Sunday, January 9, 2011 6:37:58 PM UTC+1, Constantine Vetoshev wrote:
I'm the author of appengine-magic, so my opinion is necessarily biased
in its favor. :)
fine with me. The authors are most likely to be the ones to be able to tell
the differences. :-)
I optimized the
Hi,
Even using Phil's clojure-mode I find myself often editing the source
code of clojure-mode to add custom indentation or fontification for my
own macros or for forms I feel have been missed. Perhaps some of the
lists of function/marco-names in clojure-mode could be tucked behind
On Sun, Jan 9, 2011 at 3:15 AM, Mark Engelberg mark.engelb...@gmail.com wrote:
In the meantime, I fired up the lein repl which did start up in
-server mode, and tried to do some profiling. It tells me 80% of its
time is being spent in:
It is most likely the transport used between your profiler front-end and the
JVM backend. Right click on the entry point you are interested in and
display it as a subtree. VisualVM and YourKit profilers show time
percentages based on the time spent in that method which is want you want to
see.
Hi,
I'm most used to using Intellij, since it is what I use everyday at work
programming in Java. So my first forays into Clojure have been using
LaClojure. Some things I like about using Intellij for Clojure development
are:
- I can click on a piece of code and have Intellij take me to the
Jumping to the definition of function: Alt-.
Returning back Alt-,
All other (and much more) features are implemented in slime (emacs
package).
On Jan 9, 11:01 am, Alex Baranosky alexander.barano...@gmail.com
wrote:
Hi,
I'm most used to using Intellij, since it is what I use everyday at work
That works it's really easy to use - Thanks.
On Jan 9, 9:22 am, Patrik Fredriksson patri...@gmail.com wrote:
I have used cron4j in a small project, it's like a more lightweight
version of Quartz and fits nicely with
Clojure:http://www.sauronsoftware.it/projects/cron4j/
Code example
Hi,
(meta ^:k []) -- {:tag :k}
(meta ^:k 'o) -- nil
(meta(with-meta 'o {:tag :k})) -- {:tag :v}
Why doesn't the second line return the metadata?
Thanks, Marc
Using Clj 1.2
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Only 3 tasks on the computer language benchmarks game still have no
Clojure programs -
1) meteor-contest
http://shootout.alioth.debian.org/u32q/benchmark.php?test=meteor
2) chameneos-redux
http://shootout.alioth.debian.org/u32q/benchmark.php?test=chameneosredux
3) pidigits
Thanks for the help James, I appreciate the points for improvement. I'll
look into lein ring as soon as I can.
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Hi,
Am 09.01.2011 um 22:52 schrieb mdzaebel:
(meta ^:k []) -- {:tag :k}
(meta ^:k 'o) -- nil
(meta(with-meta 'o {:tag :k})) -- {:tag :v}
Why doesn't the second line return the metadata?
Because 'o expands to (quote o) and you actually hint this list. You might try
(meta ' ^:k o).
You must have something messed up:
In line 1 (meta ^:k []) does not return {:tag :k} it returns nil and
I am using Clojure 1.2.
Both lines 1 and 2, shouldn't return meta, because 'meta' only takes
an object as an input argument.
And only if the object already has metadata will metadata will
Hi,
Am 10.01.2011 um 01:10 schrieb Tim Robinson:
You must have something messed up:
In line 1 (meta ^:k []) does not return {:tag :k} it returns nil and
I am using Clojure 1.2.
Both lines 1 and 2, shouldn't return meta, because 'meta' only takes
an object as an input argument.
And
Am I sure?.. No, I'm never sure :)
But I am using 1.2 and when I run (meta ^:k []) or even (meta '^:k o)
I get nil.
Plus:
app= (doc meta)
-
clojure.core/meta
([obj])
Returns the metadata of obj, returns nil if there is no metadata.
nil
I could be missing something?
Thanks for sharing. I've also spent some time building a Common Lisp
game engine that uses a component architecture for the game objects.
For example in pong the player's paddle is made up of a visual,
physical and logical components.
(defun make-pong-player(side human sprite-def control-type
I've been using Vim, screen, and lein repl.
I definitely don't use it efficiently but its a start. If anyone knows a
good vim clojure tutorial I will be all ears.
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i wrote this recently about how i edit clojure in emacs, listing some
features i find especially useful:
http://blog.gaz-jones.com/post/2501842155/interactive-clojure-development-in-emacs-with-leiningen
i used to use vimclojure as vim was my favourite editor but decided to
take the plunge and
Thanks Sean and Benjamin. I've started at Coderloop and I must admit
that I'm hooked. I'll take a look at Project Euler next, once I'm
done providing suggestions and finishing a few more quizzes at
Coderloop. :-) Now I'll have to hit the IRC channel to get help on
some minor issues so as not
user= (meta '^:k o)
{:tag :k}
How does this happen when :tag is not even in the expression?
If you launch a brand new repl and run it what happens?
On Jan 9, 5:17 pm, Meikel Brandmeyer m...@kotka.de wrote:
Hi,
Am 10.01.2011 um 01:10 schrieb Tim Robinson:
You must have something messed up:
On 10 January 2011 04:37, Constantine Vetoshev gepar...@gmail.com wrote:
On Jan 9, 10:54 am, Stefan Kamphausen ska2...@googlemail.com wrote:
Given that decision I'd like to understand the general development
process.
Does one always compile to a class (ns ...gen-class ..extends ..Servlet)
Thanks for showing your blog entry. It's coming in handy.
Alex
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Note that posts from new members are moderated - please be patient with your
Hi Gaz,
I followed your blog and when I used Emacs to install the package syou
suggested (clojure-mode, slime etc) I go this error output. I'd love to
know if this means anything to anyone, I'm a total newbie to Emacs:
Compiling file
hey, did it fail to install or was it just a warning? you can check if
it installed with M-x package-list-packages and seeing if it is in the
installed list (should be at the bottom of the buffer marked as
installed). you get quite a lot of warnings with some of those
packages on install but
After a little fiddling I see that of the 5 (clojure-mode,
clojure-test-mode, slime, slime-repl, swank-clojure) all installed, except
clojure-test did not (it's not red)
Now when I try to install that package it says that the file,
clojure-mode.el, exists already. Yea, clojure mode is installed,
Hi,
On 10 Jan., 04:17, Tim Robinson tim.blacks...@gmail.com wrote:
How does this happen when :tag is not even in the expression?
If you launch a brand new repl and run it what happens?
What I posted in the previous email is exactly a fresh repl session
and what happens there with 1.2. And in
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