It was our own initiative. 4 of us integrated an existing team of
developers and they
were required to spit out detailed specs at every release.
This was a real-time redundant system to control production and
transportation of electricity in the province of Quebec.
That system had to show up 99.99
On Wed, Dec 31, 2008 at 11:41 PM, wubbie wrote:
>
> Hi all,
>
> what's the new syntax for this?
> It is part of the code below which was translation by Stu.
That's a nifty little function. This just fixes the syntax:
(defn plot [f min max step]
(doseq [i (range min max step)]
(dotimes [_
Hi all,
what's the new syntax for this?
It is part of the code below which was translation by Stu.
; using dotimes instead of repeat from cl
(defn plot [f min max step]
(doseq i (range min max step)
(dotimes _ (apply f [i]) (print "*"))
(println)))
Thanks,
Sun
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> On Dec 30, 2008, at 6:29 PM, Mark Engelberg wrote:
> Use Case #1: Implementing classic imperative algorithm (GDC)
I replaced your (atoms) using (with-local-vars) and the function runs
perfectly fine. The local vars are not closed over, so they cannot
leak, and the code is cleaner. So this examp
Hi Mark,
On Wed, Dec 31, 2008 at 4:44 PM, Mark Hoemmen wrote:
> I've been having trouble with Emacs + SLIME + Clojure. I've been
> using Bill Clementson's setup, and it was working when I fetched all
> the required projects via his clj-build script. However, when I
> fetched new versions using
On Dec 31, 2008, at 1:29 PM, Luc Prefontaine wrote:
> In the mid 80's I and others in a Fortran dev. team created a super
> javadoc. This beast was spitting out a FULL
> document in the editor used by office people.
>
> You would write comments in the code that were extracted and you
> would
I've been having trouble with Emacs + SLIME + Clojure. I've been
using Bill Clementson's setup, and it was working when I fetched all
the required projects via his clj-build script. However, when I
fetched new versions using this script yesterday, Emacs gave me the
following error when I ran "run
As I posted a couple weeks ago, I've been finding it awkward that
Clojure doesn't have too many math functions that know how to "do the
right thing" with the various numeric types it uses. The one that's
been bothering me the most is the lack of an expt function. Calling
Math/pow automatically co
My two cents...
Comments are worse since Javadoc came to life, up to date or not.
Most of the time they do not describe the behaviour of the class in
depth and you have to get the source code
on your screen.
We replaced quality by quantity. If I want to find the signature of a
function I can al
I have not yet written thousands of line of parallel code in Clojure (I
am in this learning curve as of now while experimenting with
Terracotta).
However I can compare with other frameworks I've used in the past: ASTs,
Event Flags,... on VMS,
semaphores, condition variables, mutexes, ... in libthr
On Dec 31, 8:13 am, "Mark Volkmann" wrote:
> Suppose you had been studying Clojure for one week before coming
> across this code. Would you know what was going on here? Let's see ...
> we've got an anonymous function that uses an anonymous function which
> iterates some number of times calling do
On Dec 31, 8:49 am, Konrad Hinsen wrote:
> Suppose I write
>
> (defn foo [x]
> (let [f (. Math log 0.5)]
> (* f x)))
>
> Does the Clojure compiler calculate the constant expression (. Math
> log 0.5) once, or at every function call?
Folding constants in nontrivial floating-point expres
On Dec 31, 1:20 pm, "Mark Engelberg" wrote:
> On Wed, Dec 31, 2008 at 6:27 AM, Rich Hickey wrote:
> > I also think that your use cases for atoms for local mutation are a
> > mismatch. atoms are about sharing. You really want something else for
> > private/local mutable references, and I have s
And Xemacs has the same problem... so it might be a problem with
Windows then =(
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After some more tinkering, I think the problem lies somewhere in the
way Emacs handles IO from the buffers.
1) The System command prompt works perfectly.
2) Inferior-Lisp mode hangs
3) Slime hangs
4) Running a windows shell from within Emacs, and running Java from
within the shell also hangs.
Sy
On Wed, Dec 31, 2008 at 6:27 AM, Rich Hickey wrote:
> I also think that your use cases for atoms for local mutation are a
> mismatch. atoms are about sharing. You really want something else for
> private/local mutable references, and I have some ideas for that.
You're right that I'm basically as
On Wednesday 31 December 2008 09:56, Dave Griffith wrote:
> Can't find the chapter and verse, but a bit of googling shows that
> GCJ does this optimization
> http://gcc.gnu.org/ml/gcc-patches/2003-05/msg02312.html
Yes, but you claim that this guarantee is in the language specification
and that
Can't find the chapter and verse, but a bit of googling shows that
GCJ does this optimization
http://gcc.gnu.org/ml/gcc-patches/2003-05/msg02312.html
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On Wednesday 31 December 2008 09:10, Dave Griffith wrote:
> No, but the semantics of java.lang classes are fully specified in the
> Java spec,
Can you quote chapter and verse to this effect? I'm not finding it, at
least not in "The Java™ Language Specification, Third Edition."
There's an index
On Wednesday 31 December 2008 09:10, Dave Griffith wrote:
> No, but the semantics of java.lang classes are fully specified in the
> Java spec, and JVM implementers are allowed to rely on them. It's
> entirely possible that there are special case optimizations for
> java.lang.Math calls.
Beyond t
No, but the semantics of java.lang classes are fully specified in the
Java spec, and JVM implementers are allowed to rely on them. It's
entirely possible that there are special case optimizations for
java.lang.Math calls.
--~--~-~--~~~---~--~~
You received this mes
On Wednesday 31 December 2008 09:03, Dave Griffith wrote:
> Note, however, that your JVM may very well know that
> java.lang.Math.log (0.5) is a constant, and optimize the calculation
> out of the JIT compiled code. This wouldn't show up in the
> bytecode, and is extremely difficult to actually
Note, however, that your JVM may very well know that java.lang.Math.log
(0.5) is a constant, and optimize the calculation out of the JIT
compiled code. This wouldn't show up in the bytecode, and is
extremely difficult to actually check. Whether or not any JVM
actually does this probably depends
On Dec 31, 11:49 am, Konrad Hinsen wrote:
> Suppose I write
>
> (defn foo [x]
>(let [f (. Math log 0.5)]
> (* f x)))
>
> Does the Clojure compiler calculate the constant expression (. Math
> log 0.5) once, or at every function call?
Every call. Clojure does not know that Math/log is a
Suppose I write
(defn foo [x]
(let [f (. Math log 0.5)]
(* f x)))
Does the Clojure compiler calculate the constant expression (. Math
log 0.5) once, or at every function call? Can I check this somehow,
i.e. look at the generated code, with reasonable effort? If it
doesn't optimize
On Dec 30, 10:38 pm, CuppoJava wrote:
> I would like to add that nope... installing SLIME didn't seem to help.
>
> I'm on Clojure rev. 1160, and the latest SLIME and Swank sources as of
> December 30 2008.
I experience a similar issue on windows, but not linux. The first time
I create a JFrame
i
> This is the excuse continually trotted out by people too lazy to
> comment, or who think themselves superior to merely mortal programmers
> who have to work in teams and actually communicate with people.
> Redundancy in communication is almost never redundant; think of it as
> a checksum.
Hi Brian,
On Tue, Dec 30, 2008 at 11:41 AM, Brian Doyle wrote:
> (ns com.example.user)
> (clj-record.core/init-model)
>
> but when I do that I get the error:
>
> java.lang.ClassNotFoundException: clj-record.core
...
> (first (reverse (re-split #"\." (name (ns-name *ns*)
>
> and could be ch
I'd like to focus the attention back to a specific example. See the
first code snippet at http://clojure.org/concurrent_programming.
(import '(java.util.concurrent Executors))
(defn test-stm [nitems nthreads niters]
(let [refs (map ref (replicate nitems 0))
pool (. Executors (newFixed
Simon Brooke wrote:
> On Dec 29, 3:15 am, Rich Hickey wrote:
>> On Dec 28, 8:13 pm, "Mark Volkmann" wrote:
>>
>
>> I'll not argue for making code harder to read, but I have to object to
>> most of your example.
>>
>> Making something 4x longer does not make it easier to read.
>>
>> Redundant co
"'Redundant comments are useless' is the mantra of the dilettante, the
amateur, and the cowboy."dilettante, the amateur, and the cowboy"", ouch.
Redundant comments are... redundant (hence the name), and a support overhead
and a source of misunderstanding if they are not updated in line with the
cod
On Dec 31, 9:42 am, Simon Brooke wrote:
> On Dec 29, 3:15 am, Rich Hickey wrote:
>
> > On Dec 28, 8:13 pm, "Mark Volkmann" wrote:
>
> > I'll not argue for making code harder to read, but I have to object to
> > most of your example.
>
> > Making something 4x longer does not make it easier to
I'm working on a project that has both Java and Clojure sources. We
use Maven as our build system, and I'd like to use it to compile the
Clojure sources. Has anyone done that before? I can think of a few
ways to do it, such as using maven to run an ant task or writing a
plugin, but I'm not sure wh
On Dec 29, 3:15 am, Rich Hickey wrote:
> On Dec 28, 8:13 pm, "Mark Volkmann" wrote:
>
> I'll not argue for making code harder to read, but I have to object to
> most of your example.
>
> Making something 4x longer does not make it easier to read.
>
> Redundant comments are useless.
This is the
On Dec 31, 2008, at 12:30 AM, Mark Engelberg wrote:
>
> On Tue, Dec 30, 2008 at 8:38 PM, Rich Hickey
> wrote:
>> There's simply no value for Clojure to add to a simple mutable box.
>> Clojure does provide the tools for low-level mutation - access to
>> Java. You can wrap that in whatever func
OOps, I'm losing memory, I answered twice to the e-mail ;-)
On 31 déc, 11:16, lpetit wrote:
> Yes, this is what I remember from LGPL. But anyway, swank-clojure is
> not LGPL, it's GPL.
>
> I re-read my original post, and it seems clear to me : I stated I wish
> to embed swank-clojure files into
On 30.12.2008, at 22:24, Mark H. wrote:
> On Dec 30, 9:18 am, Mibu wrote:
>> In an ideal world, standard functions like map, sort, reduce, filter,
>> etc. would know when to parallelize on their own, or even better, the
>> compiler will do it for them.
>
> The former is easier than the latter ;-
Dear vimming Clojurians,
the latest SVN versions of Clojure and Clojure Contrib
broke Gorilla. So now a compatibility release is available
to bring Gorilla back up-to-date.
Note: this release is only necessary if you use Clojure
>= SVN rev1192 and Contrib >= SVN rev331. Revisions
before those me
Yes, this is what I remember from LGPL. But anyway, swank-clojure is
not LGPL, it's GPL.
I re-read my original post, and it seems clear to me : I stated I wish
to embed swank-clojure files into clojure-dev plugin.
Anyway, I'll rephrase my question differently :
Given that :
- Clojure-dev's (an
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