Hi Volker,
not sure I understand you correctly. You should still be able to type
into the repl and get results, even if it is 'in-browser', right? At
least that works for me if I start the browser repl on the command
line. So it should also work in Emacs, I am pretty sure its something
weird with
Javier, Nathan +1
I think type systems such as Haskells (and presumably Scala's FP stuff,
don't know anything about that) are really the way to go if you want static
typing. I think the extra safety that it provides you with is really
beneficial and for most things Haskells type system feels
Hi Nathan!
I am very intrigued by your approach. I would love to contribute, my problem
is that I don't know the first thing about type inference systems (as in how
they work on the inside). Do you have a good reference here? I'll take a
look at what you've done, maybe bother you with some
I'm using clojure.walk/postwalk to rewrite terms in nested data
structures. However, I am unable to do this with types as defined by
defrecord, because they specify that the function empty throw a not-
implemented exception.
If I were able to over-ride this default implementation of 'empty' I
I am following the general strategy described in Sam Tobin-Hochstadt's
work. He is the person behind typed-racket. His Phd dissertation[1]
has an overview of the area of gradual/soft/refinement typing in
dynamic languages. It's a good place to start, with a pretty gentle
introduction to the
Hi Nathan,
thanks for the pointer, this is great! I got his dissertation, this
does seem like a great starting point given that he is the guy behind
typed racket. The wikipedia page on sequent calculus also looks
promising, let's see how far I'll make it ;)
Thanks for the pointer
Paul
On Sep
You are right, Alan!
And in this case Closure compiler behave itself also unpredictably and
quite the contrary:
Where it must evaluate a symbol (like in this case), it doesn't.
Where it mustn't evaluate a symbol (argument of macro), it does.
So, need to have comprehensive and profound knowledge
Hello,
I took Travis Whitton's brush for Clojure[1] for Alex Gorbatchev's
SyntaxHighlighter[2] and put it in a git repo in GitHub, with an index file
to easy development and trying it out. I also fixed some bugs and did some
improvements. The new code is here:
And in this case Closure compiler behave itself also unpredictably and
quite the contrary:
Where it must evaluate a symbol (like in this case), it doesn't.
Symbols need to be namespace resolved in order to be evaluated
properly. This is something you need to be aware of, but it is not
Hey guys,
I will be giving a talk at JavaOne (it is Clojure related). Here is
the information.
Title: Monitoring a Large-Scale Infrastructure with Clojure
Time Tuesday, 07:30 PM, Parc 55 - Embarcadero
Length 45 Minutes
Abstract: Monitoring a large
I need to do some pretty simple statistics in a Clojure program and Incanter
produces results that I think must be wrong (details below). So I don't think I
can trust it.
Is there other code for statistical testing out there? Or maybe somebody could
explain to me how to interpret the
Pardon my ignorance -- I've not done anything with AJAX before. Is there a
way to do this in a single HTML file, and include all of the tooltips in
that file?
If so, do you have an example of this I could use to learn from? Just two
or three links each with different tooltips would be enough to
Is there a
way to do this in a single HTML file, and include all of the tooltips in
that file?
Yes, there is. There are a lot of options out there, but I've found
qTip to be pretty simple.
http://craigsworks.com/projects/qtip/demos/content/basic
If you don't want to use any third-party
The problem is what does empty mean in the context of defrecord? A new
instance of a defrecord is not empty, it has those fields and they are set
to nil.
David
On Tue, Sep 27, 2011 at 3:48 AM, Nathan Sorenson n...@sfu.ca wrote:
I'm using clojure.walk/postwalk to rewrite terms in nested data
Lee Spector lspec...@hampshire.edu writes:
I need to do some pretty simple statistics in a Clojure program and
Incanter produces results that I think must be wrong (details
below). So I don't think I can trust it.
I agree, those all look weird to me.
Is there other code for statistical
On 27 сен, 16:45, Mark Rathwell mark.rathw...@gmail.com wrote:
And in this case Closure compiler behave itself also unpredictably and
quite the contrary:
Where it must evaluate a symbol (like in this case), it doesn't.
Symbols need to be namespace resolved in order to be evaluated
Johann Hibschman joha...@gmail.com writes:
There may be an easier way to do this, but this worked for me:
user= (org.apache.commons.math.stat.inference.TestUtils/tTest
(into-array Double/TYPE [40 5 2]) (into-array Double/TYPE [1 5 1]))
0.3884493044983227
I should have used
You're right that my use isn't strictly returning a collection with a size
of zero-- I'm treating empty more like 'default'. I'm thinking of its use in
clojure.walk, which simply creates a blank version of an arbitrary
collection in which to place the altered sub-forms. I can't find any other
On Sep 27, 2011, at 1:37 PM, Johann Hibschman wrote:
Johann Hibschman joha...@gmail.com writes:
There may be an easier way to do this, but this worked for me:
user= (org.apache.commons.math.stat.inference.TestUtils/tTest
(into-array Double/TYPE [40 5 2]) (into-array Double/TYPE [1 5
2011/9/27 ru soro...@oogis.ru
All, I give up! :)
You're macro will still be incorrect in CLISP, SBCL, CMUCL, Clozure MCL,
ABCL, MIT Scheme, Gambit Scheme, Chicken, Ikarus, Racket etc. ;)
David
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-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Am 27.09.2011 06:27, schrieb Baishampayan Ghose:
i wasn't really trying to achieve anything useful - just messing
around and see where i get.
now i'm here: (defrecord point [x y z]) (defn genPoints [n] (let
[random (new Random) randomInt
Dear Everyone,
I would like to make a suggestion for the future of Clojure, and
hopefully prompt a discussion. My comment comes as a result of my
experience trying to port code to 1.3. I have run into numerous
problems, most of which come from 1.3's incompatibilities with my 1.2-
targeted code
On Fri, Sep 23, 2011 at 2:44 PM, Christopher Redinger
redin...@gmail.com wrote:
We are pleased to announce today the release of Clojure 1.3:
We took Clojure 1.3 into production today, along with a lot more
Clojure code compared to our previous production release. We've
converted all of our
Sean,
On Tue, Sep 27, 2011 at 20:17, Sean Corfield seancorfi...@gmail.com wrote:
On Fri, Sep 23, 2011 at 2:44 PM, Christopher Redinger
redin...@gmail.com wrote:
We are pleased to announce today the release of Clojure 1.3:
We took Clojure 1.3 into production today, along with a lot more
It seems you are enjoying spewing accusations at Clojure, but if your
goal is to actually get something done, you would get a lot more out
of this discussion if your attitude were Huh, I expected x but see y!
Is that a bug or am I wrong? Oh I see, it's not a bug? I still don't
understand, please
Hi Paul,
sorry, I was blindly assuming you were starting a browser repl without
hooking it up with a browser :)
Reversing your posts, that becomes clear ...
What happens when you do the following
M-x set-variable
enter: inferior-lisp-program
enter: /path/to/repl/script
M-x inferior-lisp
?
s/repl/repljs/
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Alan,
Please forgive me. I am very sorry. May be my English is not so good.
Simply, I stupidly kept the idea that macro differs from the function
in that is evaluated twice, the first time with the unevaluated
arguments. When I saw that even in Lisp it is not the case, I gave up :
(
Sincerely,
On Tue, Sep 27, 2011 at 12:22 PM, Bruce Durling b...@otfrom.com wrote:
That is great to hear. So happy to see someone use a lot of clojure in
production. Congrats on the release.
Thanx. You can get a lot done with just a little Clojure. We stand at
1,829 lines of production Clojure code and 448
Hi Ru,
let's input your macro definition at the REPL:
user (defmacro infix [e] `(let [[x# f# y#] ~e] (f# x# y#)))
#'user/infix
So far so good. Now let's try use it in a function:
user (defn foo [] (infix (5 + 4)))
#'user/foo
Well now -- it compiled! So, there's no exception being thrown when
On Tue, Sep 27, 2011 at 11:57 AM, Arthur Edelstein
arthuredelst...@gmail.com wrote:
So my request for Clojure's future development, is that backwards
compatibility not be broken. This means that Clojure code needs a way
of designating what Clojure version it is targeted for. Then, for
example,
Good news everyone! *
tl;dr - http://bit.ly/ams-clj
On Wednesday, October 12th Amsterdam Clojurians is organizing October Amsterdam
Clojure.
Same as last year, we are proud to have a great speaker: Uncle Bob Martin.
Sourcesense.com is our proud sponsor and made it possible to host the event
Yes, those errors in Incanter are unfortunate. I had another weird one
occurred which David Liebke attributed to the underlying Colt library.
user= (sd (repeat 9 0.65))
NaN
The sd function calls the variance function, which calls a function in
Colt; the trouble is Colt is returning a number
I'm with Phil on that one. Legacy support slows or even hinders innovation.
On Sep 28, 2011 6:06 AM, Phil Hagelberg p...@hagelb.org wrote:
On Tue, Sep 27, 2011 at 11:57 AM, Arthur Edelstein
arthuredelst...@gmail.com wrote:
So my request for Clojure's future development, is that backwards
Just wanted to report that the documentation for atom misspells
become as be come
--Robert McIntyre
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Again, if I understand correctly, under no circumstances should the p-value
ever be outside of the range from 0 to 1. It's a probability, and no value
outside of that range makes any sense. But Incanter sometimes returns
p-values greater than 1.
I see that there was a recent fix made to
This is quite amusing since the first reply to the original post already
provided the correct answer :)
On Sep 28, 2011 6:05 AM, Michał Marczyk michal.marc...@gmail.com wrote:
Hi Ru,
let's input your macro definition at the REPL:
user (defmacro infix [e] `(let [[x# f# y#] ~e] (f# x# y#)))
On Tue, Sep 27, 2011 at 11:57 AM, Arthur Edelstein
arthuredelst...@gmail.com wrote:
raises the question of what happens to all of the many existing
Clojure 1.2-based libraries in Clojars and on github. Many of these
are very useful, but not necessarily actively maintained. A lot of
Are therein
Hi,
From clojure doc, it states iterate takes a side-effect free function,
and what's the implication if the function has side-effect as follow?
(- 0
(iterate (fn [cnt]
(prn cnt)
;; save data to csv
(Thread/sleep 6000)
(inc
I'm trying to figure out why when I require('cljs.core') in a
javascript file, the hello world example doesn't work.
hello.js
goog.require('cljs.core'); ;;--- If I delete this line,
then everything works.
goog.require('goog.dom');
function sayHi() {
var myc__2284 =
What was the error and what were your compile options?
On Tuesday, September 27, 2011, Brent Millare brent.mill...@gmail.com
wrote:
I'm trying to figure out why when I require('cljs.core') in a
javascript file, the hello world example doesn't work.
hello.js
goog.require('cljs.core');
You can try out the code I posted, but basically I wanted to create a
hello world canvas. Without the require, I get the canvas. With the
require, I get a blank white page.
There isn't any error message, which is what made this particularly
difficult to narrow.
-Brent
On Sep 27, 7:01 pm, David
On Sep 27, 2011, at 5:18 PM, Sean Corfield wrote:
Are therein lies the problem: if they are not actively maintained,
you're not going to get bug fixes even on Clojure 1.2.
I think is it actively maintained? is not a particularly interesting question
for a community. The question is: is this
On Sep 27, 2011, at 5:44 PM, David Powell wrote:
I see that there was a recent fix made to Incanter:
Fixed typo in :lower-tail? keyword.
This was causing the complement of the p-value to be returned.
https://github.com/liebke/incanter/pull/39
Have you tried the latest version in
On Tue, Sep 27, 2011 at 4:28 PM, Brian Marick mar...@exampler.com wrote:
I think is it actively maintained? is not a particularly interesting
question for a community. The question is: is this a useful library? Then:
is the original author maintaining it? And then, if not: who will pick it
On Tue, Sep 27, 2011 at 4:43 PM, Sean Corfield seancorfi...@gmail.com wrote:
The pain of migrating from Contrib 1.2.0 (or earlier) to the New
Contrib Libraries (whether you stay on Clojure 1.2.x or move to
Clojure 1.3.0) is a one-time tax for early adopters and, as
unpleasant as that may be, I
Because the fn is wrapped in a lazy sequence, the effects won't run if you
ask for the same value again--
For instance:
(def a (iterate (fn [cnt]
(prn cnt)
;; save data to csv
(inc cnt)) 0))
(nth a 5) ... all the effects are fired.
(nth a 5) ...
Fine, I merged the new version and I will add a couple of tests related to
these changes.
Luc
On Mon, 26 Sep 2011 18:46:12 +0200
Jonathan Fischer Friberg odysso...@gmail.com wrote:
I looked at it today and have updated the macro.
(same gist: https://gist.github.com/1209498)
Additions:
It
On Sep 27, 4:43 pm, Sean Corfield seancorfi...@gmail.com wrote:
On Tue, Sep 27, 2011 at 4:28 PM, Brian Marick mar...@exampler.com wrote:
I think is it actively maintained? is not a particularly interesting
question for a community. The question is: is this a useful library?
Then: is the
Also as for compile options, there are none. I initially tried
advanced, but again got a blank page. So I tried no args, and it made
the out folder. I looked in there and saw the generated js file. I
looked through that, and edited each line to look like my working js
code. In the end, translating
I hope so, too, but very often this doesn't happen in practice. Much
useful code is not maintained.
If I add a dependency from Clojars or maven central to my project.clj
file, I don't want to pay the tax of deciding what Clojure version it
is and whether it is actively maintained,
Clojars
On Sep 27, 2011, at 3:40 AM, Paul Koerbitz wrote:
That said, I read somewhere (can't find the link now, sorry) that
compile-time type checking in Lisps is difficult because they allow code
generation at run time? That would still leave the possibility to apply it to
everything which is
Nathan,
Thanks for the explanation, what i'm trying to do is to repeatedly run
a side-effect function until the return value of it meets certain criteria.
It could have been done using loop/recur as shown below, and wondering if
there's alternatives. Is a there general approach to
Quite often I convince myself I need state or some effectful trigger, but
further thought reveals a simpler stateless approach.
That being said--if you absolutely need to be doing something based on
effects, something that absolutely can't be tracked via values in a purely
functional way--like
On Tue, Sep 27, 2011 at 7:33 PM, Arthur Edelstein
arthuredelst...@gmail.com wrote:
I hope so, too, but very often this doesn't happen in practice. Much
useful code is not maintained.
My position on free open source software is that if it's that useful
to someone, then that someone has at least
Hi,
First shot of tools.trace is now available on github:
http://github.com/clojure/tools.trace
As for the traceforms macro, you will notice that when an exception is trapped,
I recompose
an new exception with the necessary form traceback information instead of using
print.
The main reason is
When you're selecting a library to solve a particular problem, you
normally have to do some research and evaluate more than one library
so, for me, the activity of the project and software versions
supported are part of that necessary research. I can't imagine just
using some random library
On Wed, Sep 28, 2011 at 12:03 AM, Arthur Edelstein
arthuredelst...@gmail.com wrote:
You may think
I'm doing it wrong, but I don't think I'm alone at all.
I don't think you're doing anything wrong - and I'm sure many people
only do minimal research on tools they use. I just think your
Thank you Luc!
On Tue, Sep 27, 2011 at 11:44 PM, Luc Prefontaine
lprefonta...@softaddicts.ca wrote:
First shot of tools.trace is now available on github:
http://github.com/clojure/tools.trace
As for the traceforms macro, you will notice that when an exception is
trapped, I recompose
an
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