That's an issue with core.async. Make sure you have the latest. If you do,
please file an issue for core.async.
On Friday, December 5, 2014, David James davidcja...@gmail.com wrote:
I'm getting the following warnings from `lein cljsbuild auto`. Anybody
else?
WARNING: Use of undeclared Var
Hello,
can you please review my first solution to the diamond kata [1] and tear it
to bits: let me know all the ways in which YOU would improve the code.
I am not so interested in a better algorithm for solving the kata. I am
learning Clojure and what I want to know is what YOU would do to
Hi Philip,
I read your message and immediately wanted to try it myself--I intended to
leave it at that but I realized I would be remiss if I did not give you a
little bit of feedback based on my experience. I should add that I was
kind of fast and loose with my solution (that is, I didn't really
Clojure's tagged literals and `clojure.edn` namespace functions allow
hyper-local (per call) specification of tagged-literal data readers during
deserialization. The letterpress library provides a similar capability for
printing, allowing per-call specification of print methods and general
Hi guys
I am trying to implement Server Sent Event support in a small hobby project
based on the http-kit server framework and compojure.
I am still quite new to clojure in general, so it may very well be that I
am missing something obvious, but this SSE detail has me stumped.
What I have
Excellent question and I will be watching this thread with interest.
Similar to David Della Costa, I find a bit difference between Clojure and
Java for example is that there is much less naming-of-concepts. Clojure
code tends to be much more about the shape of transformations than the
Have you looked at sente?
On Saturday, 6 December 2014 17:03:41 UTC, Lars Ole Avery Simonsen wrote:
Hi guys
I am trying to implement Server Sent Event support in a small hobby
project based on the http-kit server framework and compojure.
I am still quite new to clojure in general, so it
Hi Dmitriy,
There's also an alternative zipper implementation called *fast-zip* [1]
which seems to be 5 times faster than *clojure.zip*. Although if
*clojure.walk* is faster in an order of magnitude or more than *clojure.zip*,
then *fast-zip* won't be much of an improvement.
Cheers,
Juan
I'm trying to do Android development on a Clojure IDE called Nightcode, and
clicked 'Run' in order to simply run the sample application and see if my
compiler works. I get this error along the way:
'C:\Program' is not recognized as an internal or external command,
operable program or batch
I'm experimenting with jwrapper, and am getting runtime exceptions like
this, due to some jar manipulation that it's doing. I know one of the steps
is pack200, however running pack200 manually doesn't create these issues.
Anyone have suggestions for debugging this? I've seen this type of error
On Saturday, December 6, 2014 3:06:53 PM UTC-5, Julio Berina wrote:
I'm trying to do Android development on a Clojure IDE called Nightcode,
and clicked 'Run' in order to simply run the sample application and see if
my compiler works. I get this error along the way:
'C:\Program' is not
Hi Brian,
I had the same requirement while building an application, it included a GUI
and I wanted to perform some actions only after the user was done editing
some text. I also first implemented a solution using an atom, Thread/sleep
and a future. It didn't seem right though, since I was
I'm confused on the thread issue. Don't futures run from the agent thread
pool? So they don't really create a thread?
Also found climatecorp's claypoole library, which has a 'future' call that
works with a thread pool, further confusing me. Not sure how that's
different from the agent thread
Hi,
Here is the situation. There is a function f retrieving some data from
various sources (including reading files, a lot of io, e.g. map-reduce)
expected by design to return the same result for given input. Results of
f invocation from parallely running futures are stored in an atom wrapped
map
Hey Brian,
Yes you are absolutely right, my bad, futures *do* run on a thread pool
since they use
https://github.com/clojure/clojure/blob/master/src/clj/clojure/core.clj#L6622
the *clojure.lang.Agent/soloExecutor* created here
Hi Brian,
This problem usually happens when working on the REPL and you redefine a
record or type (derecord and deftype), but there are still some existing
instances lying around, that belong to the previous definition of that same
type.
See this thread for more
information:
Yes, I know. ;) In this case it's happening with an uberjar, not with the
repl. I do java -jar myapp.jar, and later, while it is processing data,
get this exception. No repl involved.
On Saturday, December 6, 2014 2:02:01 PM UTC-8, juan.facorro wrote:
Hi Brian,
This problem usually happens
Don’t store Nightcode or your projects on a path that has spaces in it. A lot
of tools don’t support spaces in paths.
Sean
On Dec 6, 2014, at 12:06 PM, Julio Berina juliober...@gmail.com wrote:
I'm trying to do Android development on a Clojure IDE called Nightcode, and
clicked 'Run' in order
I recall that at CljWest there was a talk regarding lean Clojure JVM runtimes
for faster startup on Android and other embedded platforms. During the QA Rich
endorsed the effort to create one, and to integrate it into Clojure core. I
also recall hearing that there might have been a GSoc effort
Update: I'm already aware of
http://dev.clojure.org/display/design/%27Lean%27+Runtime but it hasn't been
updated since May, hence, I'm asking if maybe that link is not the best place
to look for current information.
Also, context:
http://www.youtube.com/watch?v=8NUI07y1SlQ
Thanks.
-ken
--
As far as people making their own modified versions of Clojure to try these
things out, the clojure-android Google group is probably a good place to
find out, e.g. this thread:
https://groups.google.com/forum/#!topic/clojure-android/dJYfcRHekDw
I am not in the loop on Clojure core's precise plans
For this exact reason, I develop CCW with the ccw codebase in a path
containing spaces, and my test development environment also contains spaces
in it. Saved me numerous numbers of time with Windows Users, for instance.
2014-12-06 23:32 GMT+01:00 Sean Corfield s...@corfield.org:
Don’t store
(disclaimer: I’m a member of the Steering Committee, posting here to solicit
more diversity of topics)
dev.Objective() http://devobjective.com/ is a language-agnostic (but
web-focused) tech conference being held next May 12-15, 2015 at the Radisson
Blu in Bloomington, MN. For the last few
It sounds like you want a delay. Delays are guaranteed to execute their
body only once, so we can combine a delay with an atom:
(defn memoized [f]
(comp deref (memoize (fn [ args] (delay (apply f args)
In theory that should produce a memoize that executes the function only
once for each
Here's all the text associated with my error:
Running...
Generating manifest...
Generating R.java...
Compiling 1 source files to
C:\Programming\Clojure\Android\sample\target\debug\classes
Compiling Clojure files...
Build type: debug, dynamic compilation: enabled, remote REPL: enabled.
Compiling
(defn memoized [f]
(comp deref (memoize (fn [ args] (delay (apply f args)
Thanks for looking into that. This indeed would solve a semantics problem
of memoize, as it returns a value now. However, it seems that
clojure.core.memoize,
or rather clojure.core.cache memoize is based of, is
From what I understand it's conceptually not ready for anything other
than toy problems yet. Like Elm's restriction on static flow graphs. It's
like programming without 1st class functions, you don't get very far.
I am not an Elm user, but I am on the mailing list :-) and I see real
things
Hi everybody,
I know this question might sound very rudimentary. But I did quite a few
digging and couldn't quite find a good answer. Your help is highly
appreciated.
I'm trying to use a few functions with Amazonica
(https://github.com/mcohen01/amazonica), for example, the
Whoops, re-reading my post I realized that I simply linked to my own gist
again when talking about separating out pure from side-effecting code. I
meant to link here:
On 7 December 2014 at 01:13, Andy L core.as...@gmail.com wrote:
Thanks for looking into that. This indeed would solve a semantics
problem of memoize, as it returns a value now. However, it seems that
clojure.core.memoize,
or rather clojure.core.cache memoize is based of, is not thread safe.
It's probably the DEX creator which is installed in Program Files ..
Le dimanche 7 décembre 2014, Julio Berina juliober...@gmail.com a écrit :
Here's all the text associated with my error:
Running...
Generating manifest...
Generating R.java...
Compiling 1 source files to
The SoftCache uses a ConcurrentHashMap, but that caching option isn't used
in core.memoize. Are you building a custom memoizer?
WRT ConcurrentHashMap, it was an incorrect conclusion on my part. In any
case, I fail to see thread safety in the cache implementation, but again
I could be wrong. Or
Hello,
I have created a way to create namespace isolation within clojure. The
code is available on github @ https://github.com/rritoch/clojure . What
this new code does is it replaces the clojure.lang.Namespace/namespaces
static property with a clojure.lang.NamespaceContainer object that
Any real things that have been achieved that you'd want to highlight? I'd
be interested in porting them to Clojure, possibly using Zelkova, as an
exercise in FRP coding.
On Sunday, December 7, 2014 12:29:19 PM UTC+11, raould wrote:
From what I understand it's conceptually not ready for
or even better (using future themselves as a marker in the atom):
(defmacro map-future-swap! [a k f]
`(locking ~a
(when (not (contains? @~a ~k))
(swap! ~a assoc ~k (future (swap! ~a assoc ~k (~f ~k
)
)
)
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i guess big projects at the bottom of
http://elm-lang.org/Examples.elm
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Note that posts from new members are moderated - please be patient with
What prompted me to write Zelkova?
The short answer is curiosity and gut feeling. The long answer:
I consider core.async (and CSP in general) to be an excellent low-level
abstraction for coordinating concurrency, but I feel like it relies way too
much on mutating operations for me to want to
On Sunday, December 7, 2014 5:37:20 PM UTC+11, James MacAulay wrote:
Along those lines, I had previously explored using core.async with JS
promises [1] and async futures [2].
Interesting, I think this here goes along the same
lines: https://github.com/logaan/promise-stream
I decided to
Perhaps this issue is biting you http://dev.clojure.org/jira/browse/CLJ-979
Thanks,
Ambrose
On Sat, Dec 6, 2014 at 5:22 PM, Brian Craft craft.br...@gmail.com wrote:
Yes, I know. ;) In this case it's happening with an uberjar, not with the
repl. I do java -jar myapp.jar, and later, while it is
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