On 19 July 2010 19:41, Laurent PETIT laurent.pe...@gmail.com wrote:
2010/7/19 Stuart Halloway stuart.hallo...@gmail.com
use = rely on
In your example, func relies on a variable which is (presumably, based on
its use in other-func) intended for dynamic binding. Therefore, func is
impure.
On 14 July 2010 16:21, Tim McCormack basalgang...@brainonfire.net wrote:
Is there some kind of JDBC nonsense that I'm not aware of? Are
backticks a special feature of MySQL that can't be read by all JDBC-
compatible RDBMSs? I'm not a database person, but it seems to me that
either backticks
On 12 July 2010 23:25, j-g-faustus johannes.fries...@gmail.com wrote:
The site looks very nice, I especially like the find real world
examples functionality and the fact that it collects documentation
for common non-core libraries as well.
I made my own cheat sheet for private use over the
On 10 July 2010 09:06, James Reeves jree...@weavejester.com wrote:
On 9 July 2010 17:46, Paul Moore p.f.mo...@gmail.com wrote:
Is there any benefit to using a name like foo.core (or foo.api) rather
than simply foo (beyond sytlistic considerations, that is)?
Clojure compiles foo to a package
On 9 July 2010 17:30, Laurent PETIT laurent.pe...@gmail.com wrote:
Indeed, foo.api sounds better than foo.core to me, now than I'm exposed to
that (core sounds more like 'internals'). But still I prefer to have the
library name at the end of the namespace, it's easier to spot than in the
On 6 July 2010 22:02, Greg g...@kinostudios.com wrote:
Greg you're enthusiasm is appreciated. But this ML is filled with talented
and smart people who have an equal grasp of logic and reason who have been
using Clojure for a couple years now and they aren't clamoring to your nice
snippet of
On 6 July 2010 22:24, Greg g...@kinostudios.com wrote:
This would be most likely java interop, ie. -.
There the main arguments are 99% of the times the first or the last ones. So
- or - will work
OK, so what happens when one of the functions takes it in the front, and the
other in the
On 2 July 2010 15:50, Meikel Brandmeyer m...@kotka.de wrote:
Then there are examples like this one:
(reduce '* '(1 2 3))
Someone who is new to Clojure and tries to understand reduce... Does
he understand why the result is 3? A result which relies on a not very
well-known fact, that you can
First, a disclaimer - I don't have any problem with the idea of the
classpath in Java. In principle, it's pretty similar to Python's
sys.path. And jar files are much like Python having zip files on
sys.path. So I'm familiar with the idea.
Where I struggle is with the practicalities of managing
On 1 July 2010 15:29, Laurent PETIT laurent.pe...@gmail.com wrote:
Hello,
note that with java 6 you can specify at once to add all the jars
located in a directory:
java -cp libs/* clojure.main
and you can place any jar you want in directory libs.
and this is composable:
java -cp
On 1 July 2010 16:49, Kevin Livingston kevinlivingston.pub...@gmail.com wrote:
Some of the build tools like Maven can help a lot.
(Thanks for your other comments, which I've cut. But this one made me think).
I've heard comments like this elsewhere (with regard to both Maven and
Leiningen), but
On 30 June 2010 04:02, Jason Smith ja...@lilypepper.com wrote:
So I'll say it again, it's just not that simple. Unless you already
know Java, and the only learning curve you face is the new features in
Clojure. Then it's not bad. But it does give you new ways to cut your
foot off more
On 29 June 2010 23:31, Sean Corfield seancorfi...@gmail.com wrote:
FWIW, I blogged a short step-by-step post on getting up and running
with Leiningen to show some Clojure at the repl, run as a script and
compiled to a JAR and run via java:
On 28 June 2010 20:24, Angel Java Lopez ajlopez2...@gmail.com wrote:
Hi people!
Any way to produce a lazy seq of chars, that prints as a string, based on
two parameters, n (number of repeats), text (text to repeat)?
Then, something like
(myrepeat 100 superdupertext)
could be
On 28 June 2010 19:49, Mike Meyer
mwm-keyword-googlegroups.620...@mired.org wrote:
Yet another set of choices n00bs are faced with is figuring out how
to actually compile their source into an executable.
Executable? We're talking about Java here. It doesn't do executables -
it does jar files.
On 29 June 2010 06:47, Mark Engelberg mark.engelb...@gmail.com wrote:
Yes, that is disconcerting that clojure-contrib produces errors on
Windows (sigh, it often feels like Windows is a second-class citizen
when it comes to clojure), but that did the trick and allowed the
build to complete.
On 28 June 2010 23:13, Lee Spector lspec...@hampshire.edu wrote:
and more recently I had to figure out about.dotted.names and their meaning
with respect to directory structures,
in order to get require to find a second clj file. It's not complicated, but
it's also not obvious to everyone
On 28 June 2010 22:41, cageface milese...@gmail.com wrote:
On Jun 28, 12:16 pm, Martin DeMello martindeme...@gmail.com wrote:
It depends. I found the concepts pretty easy, since I have done a lot
of functional programming, but when I was new to clojure I had a truly
horrible time figuring out
On 29 June 2010 06:11, cageface milese...@gmail.com wrote:
On Jun 28, 9:14 pm, Michael Richter ttmrich...@gmail.com wrote:
Ah. The Clojure community has already started down the road to Common
Lisp-style, smugness-generated obscurity and disdain. Bravo! Well-played!
Not at all. Nothing
On 29 June 2010 15:14, Angel Java Lopez ajlopez2...@gmail.com wrote:
Hi people!
Paul, yes! but...
The apply and str evaluations in (apply str (repeat n text))
are lazy?
I guess the result could be a big string. Isn't it?
So you're looking for a result that behaves like a string, but
On 29 June 2010 18:36, Mark Engelberg mark.engelb...@gmail.com wrote:
On Tue, Jun 29, 2010 at 12:30 AM, Paul Moore p.f.mo...@gmail.com wrote:
Is there anything a clojure newbie with little JVM development
experience (but a willingness to learn) can do to help with the
Windows situation? From
On 29 June 2010 21:03, Phil Hagelberg p...@hagelb.org wrote:
On Wed, Jun 16, 2010 at 9:24 PM, Phil Hagelberg p...@hagelb.org wrote:
Mostly I'd like feedback on the tutorial:
http://github.com/technomancy/leiningen/blob/master/TUTORIAL.md
But if you've got some time to look over the readme,
On 21 June 2010 22:12, Russ Olsen russol...@gmail.com wrote:
Paul,
One way would be to use the cljw.exe that comes with
dejour. This is a windows executable that runs clojure
without creating that annoying extra window.
Thanks. That's certainly one option - I could probably without too
much
On 22 June 2010 00:11, Rick Moynihan rick.moyni...@gmail.com wrote:
On 21 June 2010 18:42, Paul Moore p.f.mo...@gmail.com wrote:
3. Using a bat file to start a GUI application from Explorer causes an
unnecessary and ugly console window to appear.
You should use javaw instead of java to start
On 22 June 2010 15:15, Lars Nilsson chamael...@gmail.com wrote:
Maybe Windows Script Host is an option, if you haven't looked at that one yet.
Yes, WSH/VBS is a reasonable option. There are some gotchas which you
need to be careful of though - there's *still* only one filetype
(.vbs) which is
The common way of running Java applications (and hence Clojure code)
on Windows seems to be to use a batch file wrapper (for example,
lein.bat for Leiningen). It seems to me that there are a number of
issues with this:
1. Batch files don't nest well - if I want to call lein.bat from
within
Thanks to Ryan, Rob and Alex for the suggestions. I'll have a deeper
look into all of them.
Paul
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On 19 June 2010 07:24, rzeze...@gmail.com rzeze...@gmail.com wrote:
On Jun 18, 6:15 pm, Paul Moore p.f.mo...@gmail.com wrote:
I've just seen a couple of postings which, if I'm not mistaken, imply
that it's possible to have a Clojure script in my classspath. Is that
right?
Yes, you can have
On 19 June 2010 17:22, Chas Emerick cemer...@snowtide.com wrote:
If you're just looking to run a script that happens to be on the classpath,
you can do so by prepending an '@' character to the classpath-relative path
to the script.
So, if a directory foo is on your classpath, and a clojure
On 18 June 2010 15:08, Stuart Halloway stuart.hallo...@gmail.com wrote:
While I enjoy a theoretical debate as much as the next person, it would be
nice to see
(1) examples of real code that fail on reasonable inputs, if this change
were made. And how difficult it would be to fix them.
(2)
I'm wondering, what would be a useful basic set of tools for a
newcomer to Clojure with no Java background? I'm not really talking
about IDEs (everyone has their own opinions about IDEs, and I've seen
some discussions elsewhere to give me some pointers on that one). I'm
more interested in things
More of a Java question than a Clojure one, but it's in the context of
clojure, and I don't know a better place to ask, so forgive me...
I've seen a couple of references in articles about clojure to using
java -server. My java executable has a server option, but when I
try it, I get told:
On 3 June 2010 21:25, Aaron Cohen aa...@assonance.org wrote:
This error indicates that your java executable is coming from the
JRE rather than the JDK. On windows, the JRE only includes the
client virtual machine.
If you have the JDK already installed on your computer, switch your
JAVA_HOME
On 31 May 2010 06:12, Zak Wilson zak.wil...@gmail.com wrote:
The trouble with pmap is that it only works well with a slow function
and a short sequence. In trivial tests, it seems to be best if the
sequence has as many elements as you do cores.
I've been experimenting with things that are
On 31 May 2010 07:48, alux alu...@googlemail.com wrote:
Hello Glen, good hint. Problem and solution reproduced ;-)
Yes, it looks like Clojure's (comment ...) form requires the contents
of the comment to be syntactically correct Clojure forms. As Glen
says, forward slashes seem to work - although
On 30 May 2010 12:31, alux alu...@googlemail.com wrote:
Small addition, you missed to add the : before eof
replace goto eof by goto :eof
Thanks, good catch. (goto eof without the colon works on TCC, which
I normally use as my command shell).
Paul.
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I've written a small simulation program, in order to help me learn
Clojure. I've reproduced it below. It's quite likely not very
idiomatic - any suggestions on how to improve it would be nice.
However, my main concern is that it doesn't seem to scale as I would
expect when multi-threading.
The
On 28 May 2010 09:48, alux alu...@googlemail.com wrote:
Hello!
Short: It works, but is not perfect.
(this may need an windows expert to make it better)
Try this:
--- myscript.bat ---
:x (comment
@echo off
java -cp clojure.jar clojure.main %~f0 %*
goto eof
)
(println Hi!
On 28 May 2010 16:17, alux alu...@googlemail.com wrote:
Hello Paul,
thats much better, many thanks!
I've added it to the Wikibooks page,
http://en.wikibooks.org/wiki/Clojure_Programming/Tutorials_and_Tips#Shebang_Scripting_in_Clojure
Paul.
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You received this message because you are
Hi,
I'm new to Clojure, and looking for the best way to get going. I've
got a pretty broad experience of various programming languages (C,
Python, Lua, Factor, JavaScript, Haskell, Perl, ...) including a bit
of experience with Lisp-like languages, so the language itself isn't
likely to be a huge
On 27 May 2010 15:16, Sean Devlin francoisdev...@gmail.com wrote:
Welcome aboard Paul!
Thanks!
1. Pick an IDE and stick with it. I'd recommend ClojureBox if you're
interested in Clojure only, or NetBeans + Enclojure if you want to
learn some about Java too. In fact, NetBeans is probably a
On 27 May 2010 15:38, Base basselh...@gmail.com wrote:
Regarding Clojure I got Stuart Halloway's book Programming Clojure
Another recommendation! Looks like that's definite then :-) Thanks.
Also, I spend a *lot* of time on this site and ask a lot of really
dumb questions. Clojure has the
On 27 May 2010 16:39, eyeris drewpvo...@gmail.com wrote:
The Full Disclojure video series is targeted more toward the lisp
newbie, but it contains a series of videos touring different
development environments. http://vimeo.com/channels/fulldisclojure
Ta. Any way of downloading these to watch
On 27 May 2010 18:26, Sean Devlin francoisdev...@gmail.com wrote:
I make them available CC BY-NC-SA, so download away. You'll need a
vimeo account (free) to download them, though.
Ah, I hadn't realised that signing up got a download option. Thanks!
Paul.
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You received this message because
I want to write a reasonably high-performance simulation program in
Clojure. For the random numbers, I'd prefer to use Mersenne Twister
(for a number of reasons - it's a well-known, good RNG, and it's
commonly used in a number of other languages I use, so it's a good
baseline for comparing
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