On Tue, Mar 24, 2009 at 5:37 PM, Meikel Brandmeyer m...@kotka.de wrote:
Hi,
Am 24.03.2009 um 22:36 schrieb mikel:
CLOS says that if two matches are otherwise equally specific, the one
on the left wins. Similarly, it says that if two classes define slots
with the same name, the one
I know it isn't advised but I have my various reasons.
What are some of the best ways to invoke clojure scripts from Java but
still maintain the state of the current session.
For example, if I run a script from Java, is there a way to ensure
that script has already been run...say if I run
On Mar 25, 3:12 am, BerlinBrown berlin.br...@gmail.com wrote:
I know it isn't advised but I have my various reasons.
What are some of the best ways to invoke clojure scripts from Java but
still maintain the state of the current session.
For example, if I run a script from Java, is there a
Hello,
No, it's not possible, dot (.) is a special form and disallows this.
Search this mailing list for the subject Help with the dot operator special
form for a similar discussion on the ways to achieve more dynamic (runtime)
method resolution.
HTH,
--
Laurent
2009/3/25 ninix
On 24.03.2009, at 19:29, mikel wrote:
I personally like Haskell's philosophy in this area: there is a
facility for defining data layouts, and there is a facility for
defining protocols, and they are completely separate. You can define a
I like that as well, and I have been trying to do
On Wed, Mar 25, 2009 at 1:44 AM, Konrad Hinsen
konrad.hin...@laposte.net wrote:
Could you elaborate a bit on this? I haven't met any major obstacles
with multimethods yet. The dispatch functions give quite a lot of
flexibility in practice. In what situation did you find them
inconvenient?
To
Hi,
2009/3/25 ninix nitzan@gmail.com
Thanks.
1) The returned exception is misleading. For example, in the following
(contrived) case:
user= (. obj (toString ))
java.lang.IllegalArgumentException: No matching method found: toString
for class java.lang.Object
Since the member-symbol
2009/3/25 e evier...@gmail.com:
For example, slurp is, perhaps, marginally better than read because it
may help express that it reads the whole file.
Anyone else hate the names 'slurp' and 'spit' as much as me? IMO
changing these names would be a great idea whether these functions are
moved
On Mar 25, 4:13 am, Mark Engelberg mark.engelb...@gmail.com wrote:
On Wed, Mar 25, 2009 at 1:44 AM, Konrad Hinsen
konrad.hin...@laposte.net wrote:
Could you elaborate a bit on this? I haven't met any major obstacles
with multimethods yet. The dispatch functions give quite a lot of
On Mar 25, 2009, at 5:52 AM, Paul Drummond wrote:
Anyone else hate the names 'slurp' and 'spit' as much as me?
You're not alone there.
http://groups.google.com/group/clojure/browse_frm/thread/d8064dbb94c5cd2c/bce36a47121d6faf?lnk=gstq=slurp+name#bce36a47121d6faf
IMO changing these names
On Mar 24, 10:51 pm, mikel mev...@mac.com wrote:
On Mar 24, 5:37 pm, Meikel Brandmeyer m...@kotka.de wrote:
[...snip...]
I wanted to call out a point that I made before, but that is maybe
buried in a little too much verbiage. The point is that there is maybe
a way for me to implement an
Hi hjlee,
there is already a filed issue and a patch from Timothy Pratley which
adds sorted-set-by to clojure:
http://code.google.com/p/clojure/issues/detail?id=76colspec=ID%20Type%20Status%20Priority%20Reporter%20Owner%20Summary
But its priority is set tow low.
erik
Hi,
I am very new to Clojure and I am trying to turn a a href=http://
www.biojava.org/docs/api/org/biojava/bio/seq/SequenceIterator.htmlSequenceIterator/a
from the BioJava library into a lazy Clojure seq.
The interface has two methods `hasNext()` and `nextSequence()` which
have very similar
On Mar 24, 12:43 pm, Paul Drummond paul.drumm...@iode.co.uk wrote:
Hi all,
user= (repeat 10 (rand-int 49))
(4 4 4 4 4 4 4 4 4 4)
Can someone please tell me why this doesn't work?
I think this explains your problem:
http://xkcd.com/221/
;-)
Could possibly clojure multimethods be enhanced to support more general use
cases (enabling to e.g. define generic functions on top of it), while still
be fast for the current behavior ?
It seems to me that being able to redefine the function that matches the
computed dispatch-value of the call
On Mar 24, 8:48 pm, ninix nitzan@gmail.com wrote:
Is there any way to get a dynamic member-symbol for use in the (.)
special form?
Nope. Your options are 1) use the Java reflection API; or 2) use
Clojure's internal reflection methods.
I recommend (1), because that's a well-defined API.
Hello,
I am trying to organise my code in namespaces and needed a
little help.
Basically I have created the following namespaces similar to
the following:
src/org/ppm/foo.clj - org.ppm.foo
src/org/ppm/foo/
src/org/ppm/foo/bar.clj - org.ppm.foo.bar
src/org/ppm/foo/baz.clj - org.ppm.foo.baz
On Mar 25, 1:55 am, Mark Reid mark.r...@gmail.com wrote:
I am very new to Clojure and I am trying to turn a a
href=http://www.biojava.org/docs/api/org/biojava/bio/seq/SequenceIterator.html;SequenceIterator/a
from the BioJava library into a lazy Clojure seq.
The interface has two methods
I want to use proxy to add a new method to a Java class rather than
just overriding an existing method in the Java class.
Here is what I have:
(def #^Object bar (proxy [Object] [ ] (foo [number] (* 3 number
(def fooFn ((proxy-mappings
(def #^Object bar (proxy [Object] [ ] (foo [number] (* 3 number
(def fooFn ((proxy-mappings bar) foo)) ;; kludge
;; succeeds
(def bar4 (fooFn bar 4))
;; fails with No matching method found: foo for class
Clojure and The Robot Apocalypse
Also, I posed those to hackernews in the hope of increasing advocacy
for both that event (which it turns out I can't make) and for Clojure.
The main site is: http://www.phillyemergingtech.com/
The hackernews posts are:
A bunch of separate real concerns here:
---
On the issue of STM Slowdown:
- Clojure is typically slower than Java by an interesting amount when
doing Plain Olde Java Stuff, unless great care is taken (it's possible
to take great care). Such a slowdown matters less than the ability
2009/3/25 David Plumpton david.plump...@gmail.com:
I think this explains your problem:
http://xkcd.com/221/
There is something to be said for that function. At least it has no
side-effects ;)
--
Iode Software Ltd, registered in England No. 6299803.
Registered Office Address: 12 Sancroft
Hello, all.
I've just uploaded new version of La Clojure plugin for IntelliJ IDEA. Among
several bugfixes and minor changes I have to note several essential moments.
1. Now Clojure support is added as so-called `facet', which may be attached
to every module. Creating new module, just choose
Sounds great :)
On Wed, Mar 25, 2009 at 4:42 PM, Ilya Sergey ilyas...@gmail.com wrote:
Hello, all.
I've just uploaded new version of La Clojure plugin for IntelliJ IDEA. Among
several bugfixes and minor changes I have to note several essential moments.
1. Now Clojure support is added as
On 25.03.2009, at 10:13, Mark Engelberg wrote:
1. Structs don't inherently have a type. If you want to dispatch on
type (a common use-case), you have to make a constructor that inserts
the type information as part of the struct. Some have expressed
And/or in the metadata.
concern that it
I wrote a simple, small configuration file parser and reader that uses
the duck-streams library. You might find some of the examples
interesting.
http://paste.pocoo.org/show/109498/
On Mar 24, 11:20 am, e evier...@gmail.com wrote:
is there something as simple as this in clojure?
whole python
Whatever it's worth as a datum, my experience is that I usually find
myself writing upcase, downcase, titlecase functions in most
applications, because
(1) they're prettier more succinct when passed as first-class
(downcase vs. #(.toLowerCase %))
(2) I can add type hints once, in the
Does anybody know of some minimal clos implementation that is easily
portable?
I suppose that it contain base functions that are implemented in CL,
and the rest of clos built on top of that.
It might be interesting to try to adapt such a library to clojure.
I remember people mentioning PCL and
Hi Ilya,
I would like to be able to demo the sample code from the book in IDEA.
Here are a few things I am seeing so far:
(1) When I set a breakpoint, I get a warning icon that says no
executable code found at... but the breakpoint does in fact seem to
work.
(2) The variable window
On Mar 25, 12:35 pm, Konrad Hinsen konrad.hin...@laposte.net wrote:
On 25.03.2009, at 10:13, Mark Engelberg wrote:
1. Structs don't inherently have a type. If you want to dispatch on
type (a common use-case), you have to make a constructor that inserts
the type information as part of
On Mar 25, 2:51 pm, Marko Kocić marko.ko...@gmail.com wrote:
Does anybody know of some minimal clos implementation that is easily
portable?
I suppose that it contain base functions that are implemented in CL,
and the rest of clos built on top of that.
It might be interesting to try to
On Wed, Mar 25, 2009 at 7:21 AM, hoeck i_am_wea...@kittymail.com wrote:
there is already a filed issue and a patch from Timothy Pratley which
adds sorted-set-by to clojure:
http://code.google.com/p/clojure/issues/detail?id=76colspec=ID%20Type%20Status%20Priority%20Reporter%20Owner%20Summary
Perry,
1. Thanks for the tip on using type hints! I just added them to my
code and pushed it to github
2. If you take a close look at my re- * methods, I actually tried to
enforce an arity of 2 on as many methods as I could. This way the
methods would read like so
(re-split input-sting
ooh - that's precisely why I was looking into duck-streams myself; thanks
for that!
Mind you, after a while in the Ruby world, I'd highly recommend looking at
YAML for config files - it's human readable and fairly easily writeable, and
lets you add arrays, nested structures, etc. fairly easily.
And why not just use clojure source code literal datastructures as the
persistence format ?
With the pretty print function released by Tom Faulhaber, it's even possible
to painlessly write configuration back while keeping it clear (though not
currently possible to maintain things such as
On 24 mar, 05:29, Phil Hagelberg p...@hagelb.org wrote:
Vagif Verdi vagif.ve...@gmail.com writes:
When i use slime with lisp, it shows me function parameters, when
cursor is on a function name. But with clojure it only shows me
Evaluation Aborted. Is this because that feature not
Hi,
I would generally agree with Stuart that wrapping Java functions is
not a good idea.
However, string functions come up so often that I think that this is
one area where the rule should be broken, if only for readablility.
I agree, I use these string functions frequently. Maybe these
+ 1 for literal using literal Clojure data structures for configuration.
On Wed, Mar 25, 2009 at 5:50 PM, Laurent PETIT laurent.pe...@gmail.com wrote:
And why not just use clojure source code literal datastructures as the
persistence format ?
With the pretty print function released by Tom
Just responding to myself, the issue seems to have been fixed by
itself. OTOH compiler errors don't popup like before. I can see them
in the *SLIME Compilation* buffer but clicking on them doesn't lead to
the source code. The faulty lines are also not highlighted in anyway
way now. Is this
If we've already downloaded the first plugin, what's the best way to
upgrade? Do you have to delete the first one, or just install the
second on top? Is there a way to update the plugin from within the
IDE?
Thanks.
--~--~-~--~~~---~--~~
You received this
Hello, Mark.
The easiest way to updae plugin from within the idea is to use plugin
manager (see File - Settings - Plugins), find Clojure plugin in the list,
right-click on it and hit update. AFAIK, you also must see kind of
blinking gear in the bottom right corener of IDEA main screen, which
Hello, Christian
Could you explain the reasoning behind compiling the Clojure code
before the Java code?
It's very good question, and to be honest I don't know exact question for
it. I may imagine both cases from Clojure to Java and vise versa. Making
first variant default I was followed by
Hi, Stuart.
I would like to be able to demo the sample code from the book in IDEA
That's great, I'm really happy to hear it.
As for all three issues you've mentioned, all of them have same origin and
related to so-called evaluator API. What you can see now using debugger is
nothing but vanilla
On Mar 25, 11:35 pm, Raoul Duke rao...@gmail.com wrote:
if one doesn't have to convert the db into objects, then is there less
impedance mismatch? what is a nice setup in a functional language for
working with a db schema? what is your experience/thought?
Somewhat less, at least in my
clojure file sounds good to me, but who am I? now, a JSON file that
would sound good to a whole LOT of people . . . .and is compatible with many
many languages ... even looks lispy. JSON is a good thing to get behind
because it has a chance of killing xml.
On Wed, Mar 25, 2009 at 6:19 PM,
While searching usable trace libray in clojure,
I found 3 pieces of codes.
- Stuart Sierra's clojure.contrib.trace
- Rich Hickey's posting
http://groups.google.com/group/clojure/browse_thread/thread/fd315d9dfdb8c32c/7479682cdf3a1b97?lnk=gstq=trace#7479682cdf3a1b97
- Craig McDaniel's
On Wed, Mar 25, 2009 at 12:05 PM, Parth parth.malwan...@gmail.com wrote:
I have split up the foo namespace across multiple files. So,
I have the following now:
src/org/ppm/foo.clj - org.ppm.foo
src/org/ppm/bar.clj - org.ppm.foo
src/org/ppm/baz.clj - org.ppm.foo
With foo.clj using the ns
On Mar 25, 3:16 am, Berlin Brown berlin.br...@gmail.com wrote:
On Mar 25, 3:12 am, BerlinBrown berlin.br...@gmail.com wrote:
I know it isn't advised but I have my various reasons.
What are some of the best ways to invoke clojure scripts from Java but
still maintain the state of the
On Wed, Mar 11, 2009 at 5:18 PM, Timothy Pratley
timothyprat...@gmail.com wrote:
It is also quite trivial to patch the compiler to auto-def symbols as
it finds them instead of throwing an error.
I would be interested in knowing how to do such a patch. When I work
on code, I like to organize
It's very good question, and to be honest I don't know exact question for
it. I may imagine both cases from Clojure to Java and vise versa.
Making
first variant default I was followed by one letter I had received. It
was
about some project written in IDEA, where Clojure is used for core
Hi Mark,
A fuller discussion can be found here:
http://groups.google.com/group/clojure/browse_thread/thread/a99b420d5ee0aa40/47f8c2ab6845e9ae
Which has links to the simple patch I tried, and discusses the more
advanced technique Laurent experimented with.
Elena subsequently developed an emacs
For what it's worth I'm a big fan of the wishful thinking programming style.
I write some functions how I think they should look, declare the functions I
haven't defined yet. Then I implement the lower level functions, write some
tests- then usually the higher level stuff works without too much
:) I like that description! :)
On Mar 26, 4:47 pm, David Nolen dnolen.li...@gmail.com wrote:
For what it's worth I'm a big fan of the wishful thinking programming style.
I write some functions how I think they should look, declare the functions I
haven't defined yet. Then I implement the
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