On 11 Feb 2011, at 03:15, Ken Wesson wrote:
(defmacro macrolet [fnspecs & body]
`(macrolet* #{} ~fnspecs ~@body))
See also clojure.contrib.macro-utils/macrolet:
https://github.com/richhickey/clojure-contrib/blob/master/src/main/clojure/clojure/contrib/macro_utils.clj
It has both ma
Right now I'm working with a 300k-record file, but the code must scale
into the millions, and, as I mentioned, it is already spewing
OutOfMemoy errors. Also, on a more abstract level, it's just not right
to thrash the memory of a concurrent server-side component for
absolutely no good reason.
--
As a user coming from Haskell, I've always been disturbed by Clojure's
C-like behavior at this point, so I'd agree with the OP. And of course
the solution is not just reverse, as any order should be possible.
The question is how one could implement this without raising more
problems. Maybe a strat
Can you post a link to a (sanitized, if need be) sample file?
On Feb 11, 1:21 am, Marko Topolnik wrote:
> Right now I'm working with a 300k-record file, but the code must scale
> into the millions, and, as I mentioned, it is already spewing
> OutOfMemoy errors. Also, on a more abstract level, it'
2011/2/11 Benjamin Teuber
> As a user coming from Haskell, I've always been disturbed by Clojure's
> C-like behavior at this point, so I'd agree with the OP. And of course
> the solution is not just reverse, as any order should be possible.
>
of course :-)
>
> The question is how one could imp
http://db.tt/iqTo1Q4
This is a sample XML file with 1000 records -- enough to notice a
significant delay when evaluating the code from the original post.
Chouser, could you spare a second here? I've been looking and looking
at mktree and siblings for two days now and can't for the life of me
find
Thanks Hubert, this is exactly what I'm talking about. D. Werner's
recommendation to use a function call for the validation is a good
point, but having a human readable message like this would be the most
clear.
Cheers,
Jeff
On Feb 10, 9:23 pm, Hubert Iwaniuk wrote:
> Hi,
>
> Jeff correct me if
I realized, actually, after your post Ken, that my implementation of
macroexpand-all does not do exactly what I want.
The properties of macroexpand-all, should be:
(eval some-expression) is *always* equal to (eval (macroexpand-all
some-expression))
This is not the case in my current implementati
> Well... It is Robert C. Martin's opinion.
Who?
> I should have said that I _think_ that it is essential to
> writing readable code.
I definitely agree with this.
Another thing that I happen to agree with is that Clojure's model fits
my way of programming in Clojure.
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How on earth is one supposed to do communication programming (not to
mention handling binary files etc) without an unsigned byte type?
I see that this issue has been talked about vaguely - is there a
solution?
Thanks
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What can you not do with the signed byte type and arrays of bytes
(Java byte[] and Clojure (byte-array ...))?
I believe these are frequently used for Java I/O, and can be used for
Clojure I/O as well.
Andy
On Feb 11, 2011, at 9:22 AM, timc wrote:
How on earth is one supposed to do commun
> How on earth is one supposed to do communication programming (not to
> mention handling binary files etc) without an unsigned byte type?
>
> I see that this issue has been talked about vaguely - is there a
> solution?
>
http://www.darksleep.com/player/JavaAndUnsignedTypes.html ?
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You
I just ran into an interesting problem installing the Clojure-CLR 1.3
alpha
(https://github.com/downloads/richhickey/clojure-clr/clojure-clr-1.3.0-alpha1-debug-4.0.zip)
on an XP machine with .Net 4.0 installed. Downloading and unzipping
the .zip file, then running Clojure.Main.exe at a command-lin
I can confirm that the same thing is happening on my end as well. The
XML is parsed lazily:
user=> (time (let [root (parse-trim (reader "huge.xml"))] (->
root :content type)))
"Elapsed time: 45.57367 msecs"
clojure.lang.LazySeq
...but as soon as I try to do anything with the struct map for the
D
I don't know GAE but it's a web app right? Do you need to make a war
file with a web.xml descriptor for it to find your servlet?
On Feb 10, 9:19 pm, Edgar Gonçalves wrote:
> Hi!
>
> I just realized there's this 3000 files limit we can upload on a WebApp to
> Google's Application Engine (GAE). I a
To throw another opinion in the mix...
Lisp programming encourages a "bottom-up" style of development. I feel this
fits very naturally with Clojure's function-order requirements, as you build
the "vocabulary" of your program starting with small units. Combined with
logical separation of files a
Thanks for posting your solution. Asking a question and then providing an
answer is no noise; I'm sure it will help folks with similar issues.
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On Friday, February 11, 2011 3:42:30 AM UTC, jk wrote:
>
> I don't know GAE but it's a web app right? Do you need to make a war
> file with a web.xml descriptor for it to find your servlet?
>
GAE is Google's Application Engine, a Python/Java webapp container that can
be easily used to host Clo
Java doesn't have any unsigned types, and that's not really something we can
change. Java libraries that need to do binary I/O tend to work with byte
arrays and handle individual bytes as ints.
-Stuart Sierra
clojure.com
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On Feb 11, 5:07 am, Marko Topolnik wrote:
> http://db.tt/iqTo1Q4
>
> This is a sample XML file with 1000 records -- enough to notice a
> significant delay when evaluating the code from the original post.
>
> Chouser, could you spare a second here? I've been looking and looking
> at mktree and sibl
It is not supported right now, and probably will not ever be supported.
Protocol methods are intended to be a "low-level" mechanism, with
higher-level APIs, including variable arity, built out of ordinary
functions.
-Stuart Sierra
clojure.com
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On Fri, Feb 11, 2011 at 20:34, Stuart Sierra
wrote:
> Java doesn't have any unsigned types, and that's not really something we can
> change. Java libraries that need to do binary I/O tend to work with byte
> arrays and handle individual bytes as ints.
> -Stuart Sierra
> clojure.com
Well, except
On Fri, Feb 11, 2011 at 2:35 PM, Chris Perkins wrote:
> On Feb 11, 5:07 am, Marko Topolnik wrote:
>> http://db.tt/iqTo1Q4
>>
>> This is a sample XML file with 1000 records -- enough to notice a
>> significant delay when evaluating the code from the original post.
>>
>> Chouser, could you spare a
>> Well... It is Robert C. Martin's opinion.
>Who?
'uncle' bob martin:
http://www.amazon.com/Clean-Code-Handbook-Software-Craftsmanship/dp/0132350882
Also, it's pretty easy to just reverse the level of abstraction
ordering from bottom-to-top is it not? I usually jump to the bottom of
the file to
On Fri, Feb 11, 2011 at 10:59 AM, CuppoJava wrote:
> I realized, actually, after your post Ken, that my implementation of
> macroexpand-all does not do exactly what I want.
>
> The properties of macroexpand-all, should be:
>
> (eval some-expression) is *always* equal to (eval (macroexpand-all
> so
On Fri, Feb 11, 2011 at 3:09 AM, Konrad Hinsen
wrote:
> At first glance, it seems that there are few more special forms that need
> special treatment. I see fn*, let*, loop*, and try, but there is also
> deftype* and reify* that have peculiar requirements
Damn. Those weren't listed on any of the
Bill James doesn't seem to have had difficulty answering that question
- "Both the C++ program and the Clojure program use a much more
efficient algorithm than the other programs. That may violate the
rules."
But what about that fasta Java 6 -server #3 program?
On Feb 10, 1:02 pm, Andy Fingerhu
fasta.java-3.java calls the method next(), implementing the linear
congruential generator, 200,000,000 times, once for each randomly
generated DNA character in the output file.
Andy
On Feb 11, 2011, at 1:50 PM, Isaac Gouy wrote:
Bill James doesn't seem to have had difficulty answering that
Not exactly documentation, but
https://github.com/clojure/clojure/blob/1.2.x/src/jvm/clojure/lang/Compiler.java#L37
On Feb 11, 1:38 pm, Ken Wesson wrote:
> On Fri, Feb 11, 2011 at 3:09 AM, Konrad Hinsen
>
> wrote:
> > At first glance, it seems that there are few more special forms that need
> >
I'm just starting to get into Clojure. After implementing some
examples from various tutorials, I've tried to implement the following
simple server application. Now I'd like you to have a look at the code
and hear your opinion. What could be improved? What would be a more
idiomatic way implement it
Well, until you start doing "bit-shift-right"s and the sign bit (high
bit) doesn't go to 0 after shifting it down. Actually you typically
need to represent individual bytes as ints and write them back out
using writeByte() when you're trying to do low level bit-twiddling.
It's a pain but it works.
Significantly refactored and expanded to deal with various special
forms, including case, reify, and deftype. Some edge cases fixed, all
the ones I could find -- notably, the first test below the code
confirms the fixing of one of these. Let me know of any more edge
cases you find that need handlin
On 11 February 2011 20:53, Nick Wiedenbrueck
wrote:
> I'm just starting to get into Clojure. After implementing some
> examples from various tutorials, I've tried to implement the following
> simple server application. Now I'd like you to have a look at the code
> and hear your opinion. What could
There's an example on metadata that resembles a repl session snippet
(although not exactly):
user=> (def x 1)
user=> (def y 2)
user=> ^{:x x} [x y 3]
^{:x 1} [1 2 3]
I interpret that as "the reader prints out meta data", which of course
is not true (by default). It could be changed, e.g. to
user
Hi!
What is the status of paredit.clj in TextMash? Do you have any time
for integration?
I have moved project to lein in case anyone care.
Editor pane is pretty much advanced, but still missing: encoding
support, files managment, text transformations, multiple repl support
and evaluation, brackets
I have to deal with them when processing AMF packets, and I use the
Netty library - it's amazing, you should look into it.
http://www.jboss.org/netty
-Rich
On Fri, Feb 11, 2011 at 10:22 AM, timc wrote:
> How on earth is one supposed to do communication programming (not to
> mention handling bi
On Feb 12, 8:26 am, Olek wrote:
> Hi!
>
> What is the status of paredit.clj in TextMash? Do you have any time
> for integration?
> I have moved project to lein in case anyone care.
I ran TextMash on Windows 7 using Leiningen's (version 1.4) run task:
D:\projects\checkout\textmash>lein run -m t
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