Hello Simon,
If it's of interest, there's a Clojure Dojo on the 2nd Monday of every
month at Manchester's Madlab:
http://manchester.clojuredojo.com/
However, I can't speak from personal experience of this group. It's a
bit inconvenient for me, as I'm in Morecambe and dependent upon the
dire publ
Great stuff, thanks.
On Dec 8, 6:23 am, Lars Rune Nøstdal wrote:
> You've probably found this by now, but
> there's:https://github.com/mdpendergrass/quartz-clj
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Not sure if it helps, but here's my example of using reflection in a macro:
http://stuartsierra.com/2010/12/16/single-abstract-method-macro
-S
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There are three reasons:
1. Ignoring the "big" part for now, clojure is good with data in
general because its functional, has nice datastructures, and a well
designed sequence library. Data manipulation tends to be functional in
nature, moreso than general programming (think map-reduce).
2. The J
doall + pmap will work, but be aware that pmap is not particularly clever
about allocating CPU usage. Fork/Join is a better approach, not yet
integrated into Clojure proper but there are experimental branches.
Also look at `pcalls`.
-S
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Laziness helps when dealing with large data sets, but it's also tricky to
get right. If you mistakenly "hold onto the head" of a lazy sequence, you
block garbage collection on the entire sequence and usually run out of
memory.
I think Clojure is good for dealing with large data sets for the fol
My response is similar to Brian's: If you want to try something other
than clojure.test, you might like
https://github.com/jaycfields/expectations
specifically, it plays well with IntelliJ, and gives you an easy way
to run all your clojure tests using IntelliJ's built in junit
integration.
Cheers
ala carte testing is easy, clojure comes with a testing library called
'clojure.test'
the simplest way to test functions is to define tests using deftest,
and to assert things using is
(use '[clojure.test :only [deftest is]])
(defn foo [x] (+ x 1))
(deftest test-foo ;; deftest creates a var, so
I don't know if you got any answers. If you're not wedded to clojure.test, the
examples of Midje here may help:
https://github.com/marick/Midje
On Dec 1, 2011, at 12:30 AM, Adam Getchell wrote:
> Hello,
>
> I'm porting a scientific application written in SBCL to Clojure. I'd like to
> do the
you can use all the things can use outside of macros:
resolve
Class/forName
etc
On Thu, Dec 8, 2011 at 1:06 PM, Razvan Rotaru wrote:
> Hi,
>
> I'm trying to write some macros for java object instanciation. Here's
> the code:
>
>
> (defn- gen-object-method [my-class id option value]
> (le
Hi,
I'm trying to write some macros for java object instanciation. Here's
the code:
(defn- gen-object-method [my-class id option value]
(let [method (some (java-methods option) (map #(.getName %)
(.getMethods my-class)))]
(when (not method)
(throw (new java.lang.Illega
Alan Malloy writes:
Hi Andy & Alan,
> This should be a function, not a macro. In fact it is just:
>
> (defn multicmp [& xs] (first (remove zero? xs)))
>
> But what you really wanted to begin with is a comparator function, so
> more like:
>
> (defn multicmp [& keys]
> (fn [a b]
> (or (first
Hi,
What's the most idiomatic way to execute a function in parallel, if we're
only interested in the side effects of the function ?
Here's an analogy: a newbie could try to use function f in a for, and it's
possible he would not see the side effects of f because of the lazyness of
for; in this
Hi All,
As a newbie I try to read up on Clojure whenever I can. One of the
common things that I read is that Clojure is really good for operating
on large data sets, but I haven't seen anyone articulate why that is
aside from alluding to lazy evaluation. So I assume lazy evaluation is
the prima
Correction, I forgot to add .getParent, the code should be
(.addURL (.getParent (.getContextClassLoader (Thread/currentThread)))
(.toURL (.toURI file)))
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Thank you - I am able to use CDT now. Here's what I had to do...
* updated lein plugin to 1.4.0-SNAPSHOT
* symlinked to tools.jar in ~/.lein/plugins
* added jvm-opts line to project.clj
* ran swank using lein swank and M-x slime-connect
Problems I still see..
* C-c C-x shortcuts do not work
* erro
Yes, that Stuart Sierra. Thanks. :)
If you want a real Java main method in your compiled Clojure program, you
need to define a function in your namespace called "-main" (with a
preceding hyphen) in addition to using (:gen-class) in the ns declaration.
-S
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In case anyone is interested in building webapps directly served from
CouchDB (Couchapps), I have created a very basic library and build
script to facilitate these and it's up on GitHub:
https://github.com/pandeiro/Jaki
The basic usage is detailed in the README.
Now, the disclaimer: I'm brand ne
Thanks Meikel !
It works after I recompile foo. It seems like you are right. :)
On Dec 8, 3:28 pm, "Meikel Brandmeyer (kotarak)"
wrote:
> Hi,
>
> just a guess: ^:dynmamic is a compile-time thing. foo was compiled without
> it in place, so the compiler didn't consider it. Recompile foo after the
Thanks, this clarifies why my initial tests setting the current class
loader failed.
On Thu, Dec 8, 2011 at 2:14 AM, Brent Millare wrote:
> To better understand what's going underneath, you're just calling the addURL
> method of the classloader. But since you might be evaluating this at the
> rep
On 8 December 2011 01:51, Andy Fingerhut wrote:
> I've been going through the PLEAC web site, writing Clojure examples
> corresponding to the Perl code examples from the Perl Cookbook:
>
> http://pleac.sourceforge.net
>
> Michael Bacarella started a github repo to collect these together, and I'm
>
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