Garth Sheldon-Coulson writes:
Hi Garth,
> I'm returning to Clojure in earnest for the first time since 1.1 (and
> very happy to be back!). Apologies if this question revisits old
> issues.
I've revisited mostly the same 2 days ago: <87399ocg9a@thinkpad.tsdh.de>
> I'm trying to understand w
When you create a protocol, as an implementation detail, it also creates a
Java interface.
When you list protocols in a deftype or defrecord form, the generated class
actually implements that Java interface. And protocol calls to that type
call through the interface. This gives the best performan
David Powell writes:
Hi David,
> When you create a protocol, as an implementation detail, it also
> creates a Java interface.
Is a protocal neccessarily an implementation detail? I mean, it might
be, but it can also be a public specification of the requirements types
have to satisfy in order t
On Mar 7, 1:09 am, Tassilo Horn wrote:
> David Powell writes:
>
> Hi David,
>
> > When you create a protocol, as an implementation detail, it also
> > creates a Java interface.
>
> Is a protocal neccessarily an implementation detail? I mean, it might
> be, but it can also be a public specificati
Alan Malloy writes:
Hi Alan,
>> IMHO, `extenders' should return also types implementing the protocol
>> interface directly [i.e., deftypes and defrecords], so that
>>
>> (extends? P T) <=> (some #(= % T) (extenders P))
>>
>> holds.
>
> You're entitled to that humble opinion, but it's not reall
>
> user=> (boom (Record.))
> AbstractMethodError user.Record.boom()Ljava/lang/Object; user/eval55
> (NO_SOURCE_FILE:3)
>
> Apparently, types/records can implement a protocol "in name only."
>
That can't in name only since you obviously got an implementation, though
abstract.
> What is b
Have you tried giving the full path in the :libs option?
On Tuesday, January 24, 2012 12:35:00 PM UTC-5, Jonas wrote:
>
> Hi all
>
> I was wondering if it's possible to use goog.dom.query[1] from
> ClojureScript or ClojureScript One? It's a third party module but it's
> bundled with the Closure
Great job answering the application questions, David! I was just wondering
if Steve Yegge could vouch for Clojure since I remember him being very
excited about the language, so maybe he might say a nice word for Clojure
participation...
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I've made some progress here:
http://dev.clojure.org/display/community/Google+Summer+of+Code+2012+Application+Questions
For those with edit right please edit as you see fit and as soon as you
can, we're running out of time, thanks! :)
David
On Wed, Mar 7, 2012 at 1:37 PM, Alexander Yakushev
wro
http://dev.clojure.org/display/community/Google+Summer+of+Code+2012
A reminder that we're still looking for proposals from community members
and interested students. We're also looking for backup mentors - if you'd
be willing to step up this summer should something happen to a mentor
please say so
Looks amazing David, I'm very interested to apply as a student if we get in
as an Organization.
Best,
Federico
On Wed, Mar 7, 2012 at 4:47 PM, David Nolen wrote:
> I've made some progress here:
>
>
> http://dev.clojure.org/display/community/Google+Summer+of+Code+2012+Application+Questions
>
> F
Unfortunately, I've been unable to get vtk to compile locally.
At this point, it's seeming to me that your issue is more vtk-related
than clojure, though. Can you put a println in the callback to confirm
that it's at least being called?
One question, is it significant that your code is slightly d
On 06/03/12 17:09, John Gabriele wrote:
While writing Clojure code, what Java classes, objects, and static
methods do you most often find yourself using?
I use java.lang.Math quite a lot...
Jim
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I am a novice at both java and clojure. I installed the counterclockwise
eclipse plugin and the labrepl as per
http://dev.clojure.org/display/doc/Getting+Started+with+Eclipse+and+Counterclockwise
.
After install one of the steps is to
Enable Clojure Support
- Right-click the "labrepl
Unfortunately, the reader does not actually follow this spec, e.g. it will
happily accept :div#id.cla$$ as a valid keyword. Some web programming
clojure[script] libraries use this pseudo-CSS syntax in keywords, so if the
reader was changed to strictly follow these rules, a lot of web code woul
If so, how ?
Thanks !
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An old thread:
http://groups.google.com/group/clojure/browse_thread/thread/319a1c77ed718ba/3e4be7484b7cbe38?pli=1
Also, someone proposed instead of
(f a b c)
begin to use
f(a, b, c) or something alike
but I don't have the thread link now
On Wed, Mar 7, 2012 at 2:39 PM, Leon Talbot wrote:
> If
Maybe this proposal:
http://grokbase.com/t/gg/clojure/11ctt573jq/list-syntax-sugar-f-x-notation
On Wed, Mar 7, 2012 at 6:09 PM, Angel Java Lopez wrote:
> An old thread:
>
> http://groups.google.com/group/clojure/browse_thread/thread/319a1c77ed718ba/3e4be7484b7cbe38?pli=1
>
>
> Also, someone propo
>> If so, how ?
>>
I think Python may be easier for you, but it's not simpler than
Clojure. Simplicity is the strength of Clojure.
http://www.infoq.com/presentations/Simple-Made-Easy
I can learn a new syntax almost overnight (last night I started
writing Dart code for the first time after googling
On Wed, Mar 7, 2012 at 12:39 PM, Leon Talbot wrote:
> If so, how ?
>
> Thanks !
>
Isn't it already?
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I think readable is in the eye of the beholder.
I've only moderate experience with Clojure, but the following example
from Open Dylan made me realize I really do prefer a concise
representation over what is considered easier to read.
http://opendylan.org/documentation/intro-dylan/why-dylan.html#fu
Hi,
Am 07.03.2012 um 01:11 schrieb Leif:
> Unfortunately, the reader does not actually follow this spec, e.g. it will
> happily accept :div#id.cla$$ as a valid keyword. Some web programming
> clojure[script] libraries use this pseudo-CSS syntax in keywords, so if the
> reader was changed to s
Looks like Dan Friedman, William Byrd and the IU Googlers they know might
be getting behind our application as vouchers.
There's no better time to submit proposals or step up to be a mentor than
now :)
David
On Wed, Mar 7, 2012 at 1:47 PM, David Nolen wrote:
> I've made some progress here:
>
>
When's the official cutoff?
Cheers,
Chris.
On Wed, Mar 7, 2012 at 2:24 PM, David Nolen wrote:
> Looks like Dan Friedman, William Byrd and the IU Googlers they know might
> be getting behind our application as vouchers.
>
> There's no better time to submit proposals or step up to be a mentor th
Hello folks!
I'm proud to announce the release of Leiningen 2.0.0-preview1. While
this isn't a final stable release, it's fairly stable and should be
usable for the majority of projects. This is a near-rewrite and contains
a few backwards-compatibility breaks, but updating should be pretty
painle
March 9th!
David
On Wed, Mar 7, 2012 at 5:26 PM, Chris Granger wrote:
> When's the official cutoff?
>
> Cheers,
> Chris.
>
>
> On Wed, Mar 7, 2012 at 2:24 PM, David Nolen wrote:
>
>> Looks like Dan Friedman, William Byrd and the IU Googlers they know might
>> be getting behind our application a
Hi,
I have recently started working in python, I don't find python very
readable at all compared to clojure.
It is more about familiarity than anything else.
On Thursday, March 8, 2012 4:39:08 AM UTC+11, Leon Talbot wrote:
>
> If so, how ?
>
> Thanks !
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If we're going to talk about readability at all, then we need to first
define what attributes make up that which is readable.
What commonly passes for readability is simply a variant of Easy, namely
readable means "near to" your current body of knowledge.
Is German less readable than English?
I
When I print myCallback I obtain this:
(println myCallback)
user => #
I have used this:
(doto coneMapper
(.SetInput (.GetOutput cone)))
And the applications runs, with not errors in the prompt too, but the
boxWidget still doesn't work.
On Wednesday, March 7, 2012 9:19:38 PM UTC+1, Aaron
I meant do:
(def myCallback
(fn []
(println "Invoked!")
(let [t (vtk.vtkTransform.)]
(.GetTransform t)
(-> boxWidget .GetProp3D (.SetUserTransform t)
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On Sunday, October 23, 2011 5:21:52 PM UTC-4, Rich Hickey wrote:
>
> Hi all,
>
> This reply is to the thread, not Luc specifically.
>
> Thanks everyone for your feedback and input.
>
> I have pushed 3 commits:
>
> 1) Fixes the inconsistency between the hash function used by Clojure maps
> (was .
It seems that callback is not called. I have added (println "Testing
callback") in the definition of myCallback and there is not message in the
prompt when I run the application.
(def myCallback
(fn []
(let [t (vtk.vtkTransform.)]
(.GetTransform t)
(-> boxWidget .GetProp3D (.S
On Mon, Mar 5, 2012 at 5:50 PM, Antonio Recio wrote:
> (.AddObserver "interactionEvent" myCallback "run")
I suspect this is mis-capitalized, it need to be "InteractionEvent".
--Aaron
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Clojure is a young language, and I believe there is little argument that some
of the interfaces/implementations and associated docs could be improved. You
can find plenty of examples where functions would throw exceptions for invalid
input, others return nil in that case, and a number return gar
Frank Siebenlist writes:
> My suggestion still stands: add more text to the doc-string of some of
> the functions such that the user has a better understanding of what to
> expect: no validation, nil, exception, expected parameter type, ???.
> I'd be happy to suggest wording.
Agreed. This is onl
On Mar 7, 9:39 am, Leon Talbot wrote:
> If so, how ?
>
> Thanks !
[Closed as: Not a real question]
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On Wed, Mar 7, 2012 at 3:16 PM, Alex Baranosky <
alexander.barano...@gmail.com> wrote:
> I think that the real question that is: if you know Python and Clojure
> equally well, then which is easier to read?
>
> Alex
>
>
>
I know both equally well (actually, I've logged more hours in my life
coding
Just found a bug that only manifests when you don't have any profiles
and are running outside a project. It's fixed in git, but if you're
getting an NPE on 2.0.0-preview1 and don't have any profiles defined,
try this as a temporary workaround:
$ mkdir ~/.lein; echo "{:user {:plugins []}}" >>
Hi. I'm trying to run:
java -cp clojure-${VERSION}.jar clojure.main
on an Android phone from bash (using the 'terminal-ide' app) but I
can't make it past the error bellow. I did the jar-to-dex conversion
using:
dx --verbose --dex --output=clojure-${VERSION}.dex.jar
clojure-${VERSION}.jar
On Thu, Mar 8, 2012 at 9:00 AM, Meikel Brandmeyer wrote:
> However documenting everywhere that feeding garbage in might result in shit
> coming out has this “things in the mirror might be closer than they appear”
> taste. WTF? The mirror is not the problem. Nor is the car manufacturer to be
> h
On Mar 7, 6:39 pm, Leon Talbot wrote:
> If so, how ?
>
> Thanks !
Please define "readable".
Thanks!
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On Wed, Mar 7, 2012 at 3:12 PM, Joachim De Beule wrote:
> Please define "readable".
>
> Thanks!
>
>
"Readable" is a measure of how readily apparent the meaning of a program is
from looking at it.
If you wanted to measure this objectively, one possible way to do this
would be to time how long it
The Clojure-Py team is happy to announce the release of Clojure-Py 0.1.0.
https://github.com/halgari/clojure-py
Clojure-Py is an implementation of Clojure running atop the Python VM.
As it currently stands, we have translated over 235 functions from
clojure.core. This is not a clojure interpreter
It's great to see the steady activity on the clojurescript github page.
However I'm not totally comfortable developing against the master branch.
As it stands now, if I change development environments, or deploy on a
new machine, the master branch may have moved.
I could choose an arbitrary comm
Armando,
Thanks for the message. See below:
On Mar 7, 10:48 am, Armando Blancas wrote:
> > Apparently, types/records can implement a protocol "in name only."
>
> That can't in name only since you obviously got an implementation, though
> abstract.
We agree on a couple points:
-- Yes, my code d
You are right. I have capitalized InteractionEvent and now callback it is
called and it prints "invoke".
The application runs but the boxWidget still doesn't work, and I obtain an
error message:
Exception in thread "main" java.lang.IllegalArgumentException: No matching
field found: GetTransform
Congrat's on the release! I am getting the following error on my
Macbook (running 64-bit Lion, Python 2.7.1) when trying to run "sudo
easy_install clojure-py":
Searching for clojure-py
Reading http://pypi.python.org/simple/clojure-py/
Reading https://github.com/halgari/clojure-py
Best match: cloju
You are trying to call method GetTransform on an instance of
vtk.vtkTransform, and this method does not exist (you are probably
wanting to call that method on boxWidget, not t).
On Thu, Mar 8, 2012 at 12:32 AM, Antonio Recio wrote:
> You are right. I have capitalized InteractionEvent and now call
Going back to the original poster's question, I think if I could make only
one change to Clojure's syntax to improve readability, I'd take a page from
other functional languages like F# and Racket and add a way to bind local
variables that doesn't indent. So, for example,
(let x 2)
code
would be
You might have a difficult time getting other Clojure coders to adopt the
practice in their code, but would this be almost as good?
(let [x 2]
code)
Achieving that would be as simple as hand-indenting it that way, or adjusting
the auto-indenter of your favorite text editor to do it that way. A
On Wed, Mar 7, 2012 at 10:43 PM, Andy Fingerhut wrote:
> You might have a difficult time getting other Clojure coders to adopt the
> practice in their code, but would this be almost as good?
>
> (let [x 2]
> code)
>
> Achieving that would be as simple as hand-indenting it that way, or
> adjusting
On Wed, Mar 7, 2012 at 5:10 PM, Mark Engelberg wrote:
> * introducing variables creates new indenting level, making code "creep to
> the right"
Mitigated by breaking functions into sub-functions (which is good
practice anyway).
> * as code creeps to the right, you need to have a lot more newline
The clojure community is thankful!
On Mar 7, 11:28 pm, Phil Hagelberg wrote:
> Hello folks!
>
> I'm proud to announce the release of Leiningen 2.0.0-preview1. While
> this isn't a final stable release, it's fairly stable and should be
> usable for the majority of projects. This is a near-rewrite
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