Our company is looking for a full time or consultant developer.
The job is to maintain and continue actively develop web application /
internal webservices written in clojure.
We use compojure web framework, darcs for repository.
Remote work via ssh is ok.
Haskell knowledge is a big plus. We h
.
All development will be ether with haskell (if libraries permit) or
clojure on JVM.
If interested please contact me.
Regards,
Vagif Verdi
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Check for example this code:
http://shootout.alioth.debian.org/u64q/program.php?test=pidigits&lang=clojure&id=1
It is slower than scala 8 (!!!) times.
But peppering it with types can easily bring it on par with java/
scala.
Any takers ?
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Sorry, forgot to mention, and i already got questions about it. No
worker visa sponsorship, no relocation from abroad. US only.
On Jun 20, 2:36 pm, Vagif Verdi wrote:
> Anyone interested in full time employment working with haskell and
> clojure in San Dimas, CA (local job only, NO telec
Anyone interested in full time employment working with haskell and
clojure in San Dimas, CA (local job only, NO telecommute) please let
me know.
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What do you mean by navigation ? Slime supports jumping to function
definition (Alt-.) and back (Alt-,) And this works not only in your
own code but also in all contrib libraries.
So what else do you need ?
On Jun 12, 6:50 pm, yair wrote:
> Hi,
>
> With swank and slime all set-up along with CDT,
Can it be used as an inference (rule) engine ?
On Apr 9, 2:27 pm, David Nolen wrote:
> Logos is finally in good enough shape to be worth publishing to Clojars.
> There are really too many changes to enumerate here, but if you're familiar
> with Prolog, Logos is now far enough along that you can
Jim, i assume you are familiar with haskell (monads -> haskell :))
So my question is, can you describe the difference in working with
monads in dynamic language (clojure) with working with monads in
haskell.
>From my own experience i would say that without a firm help from
typing system i would st
It would be better if your macro would accept maps and vectors,
because those can be prepared somewhere else and passed around as
parameters. Your current macro allows only hardcoding.
On Feb 3, 4:23 pm, Alexander Yakushev wrote:
> >(deflayout frame
> >{:west gamepanel
> >:east (deflayout side
Jumping to the definition of function: Alt-.
Returning back Alt-,
All other (and much more) features are implemented in slime (emacs
package).
On Jan 9, 11:01 am, Alex Baranosky
wrote:
> Hi,
>
> I'm most used to using Intellij, since it is what I use everyday at work
> programming in Java. So m
Haskell has aha moments too. And it is not lisp.
The definition of "lisp" i accept is much simpler and much more
obvious: source code of the program is a valid data structure in that
language.
On Dec 19, 11:33 am, Tim Daly wrote:
> There have been discussions, here and elsewhere, about
> whet
Maybe clojure should adopt linux versioning scheme, where even numbers
are stable production clojure and odd numbers are development branch ?
On Dec 12, 7:09 pm, Stuart Halloway wrote:
> Clojure 1.3 Alpha 2 is now available at
>
> http://clojure.org/downloads
>
> 0 Changes from 1.3 Alpha
On Nov 15, 8:52 am, Chris wrote:
> If you have a function that needs to treat multiple arguments as a
> group, what forces drive you to represent this as a single sequence
> argument vs. an "&" argument? To give a concrete example, why does
> "+" work like
>
> (+ 1 2 3 4)
>
> instead of
>
> (+ [1
Yes, I have a flex app, talking to compojure backend via JSON.
On Aug 14, 12:40 pm, nchubrich wrote:
> I'm wondering if anyone has any experience developing Clojure
> applications with a Flex interface, and if so, what is the best way of
> going about it.
>
> I also wonder if anyone has used Las3
Back in the days when i was using common lisp (sbcl) i used this
inference engine: http://lisa.sourceforge.net/
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On Jul 26, 6:34 am, jim wrote:
> One thing I'd like to do is implement a business rules engine in
> Clojure running the Rete algorithm or something similar. Sort of a
> Drools in Clojure.
Wouldn't it be easier to implement clojure scripting for Drools ? As
far as i know Drools allows several scri
I'm happy that this guy self eliminated himself from clojure
community. But experience tells me not to be so sure. His kind tends
to come back and unfortunately is very persistent.
If downloading couple of jar files and dropping them into the
classpath is too much for him, then he is definitelly
In clojure map works like zipWith.
So you can pass to it vector if you want just plain zip: (map vector
colls)
That makes making a special named function unnesessary.
On Mar 13, 6:55 am, Marmaduke wrote:
> Hello,
>
> I'm new to Clojure, but in other languages, zip is a workhorse, and I
> didn't
Years of using ASP and JSP convinced me that writing markup and code
in the same file is evil.
That's why i prefer StringTemplate. It is perfectly usable with
clojure and accepts clojure maps, yet it does not allow you to
incorporate arbitrary code into your templates. Everyone is happy,
especiall
I often find myself creating one line helper functions that i use very
often just because it is easier to write them than try to find them in
contrib.
Here's one:
(defn- to-list [x] (if (vector? x) x [x]))
This one is often needed when working with html form fields.
Is there such a function in c
On Feb 3, 7:18 pm, James Reeves wrote:
> On Feb 3, 8:44 pm, Vagif Verdi wrote:
>
> This again is something that's limited to Compojure, and not
> necessarily indicative of a problem with the functional approach.
I agree. As long as session implementation is robust and simp
On Feb 3, 3:55 pm, Mark McGranaghan wrote:
> One thing that would help us a lot with choosing the right interface
> for sessions is examples of session use from real application code. We
> have considered simple examples like incrementing a counter and
> logging in / logging out (http://gist.githu
Whatever you guys chose, do not go the immutable road. Compojure took
that approach and now many people (including me) are stuck with
situations where they need to update session in a middle and pass it
somewhere else, and they can't. Session is a data storage, just like a
database.
One of the str
+1 for paredit. Writing lisp without an IDE geared towards the
language is miserable. Bracket matching is a must-have feature for
lisp programmer. Higher in importance than anything else.
On Jan 27, 9:48 am, Jarkko Oranen wrote:
> You should really give paredit.el a go some time. It feels silly
I wonder if just released http://code.google.com/p/google-collections/
google-collections java library could be of any use to clojure
implementation ? They have there "High-performance immutable
implementations of the standard collection types" and many other
goodies.
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There are other NoSQL datastores written in java, like Voldemort.
Perhaps if you investigate them, you will find one that will be much
easier to integrate with clojure.
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On Dec 22, 2:10 pm, jim wrote:
> Chouser,
>
> You're right that maybe-comp is simpler. Once you realize that the
> functions you want to compose are monadic functions under the maybe-m
> monad, you get that composition for 'free', with no further mental
> effort.
Except different types of monads
On Dec 18, 4:59 pm, Martin Coxall wrote:
> But I'm trying to think of it from the point of view of Joe Q. Coder, who
> will take one look at our beloved elegant, expressive Clojure, see all the
> parens and run screaming.
Let James Gosling worry about Joe Q. Coder. He does a very good job at
th
Welcome to the big club of people who in last 50 years came up with a
"brilliant" idea to "fix" lisp.
As for Ten parentheses, i do not see a single one. Noone notices
starting parens because they are markers saying "this is a function".
And of course noone notices ending parens because they are fo
FYI
There a binary protocol library http://hessian.caucho.com/
It is pure java, supports all the primitives BERT has, has bindings to
many languages including Python, Ruby, Erlang, even Flash. And of
course because it is java, it is readily available from clojure.
It also supports streaming of cou
On Oct 2, 1:37 pm, Meikel Brandmeyer wrote:
> You can do so by with doall:
>
> (doall (map ... (filter ...)))
>
Unfortunately this is not true. Yo are paying penalty for lazyness in
this case.
Try it yourself. Write non lazy versions of map and filter and time
them against standard ones
This is not a suggestion or anything, just entertaining myself with
some uneducated thinking.
What if all lazy functions (map filter etc) would check some global
value and decide upon it lazyness ? Then we could do something like
this:
(eager
(map ...(filter ...)))
That would allow to not to
I use clojure-mode with slime. But i did not use clojure-install.
I also do not run clojure from within emacs. I run it via script, and
then connect to it via slime-connect.
I prefer it much more than clojure-install, because i have a control
over where my clojure and other libraries are resided
I would argue that macros always should be syntax wrappers for
functions. Coding the logic into a macro in most cases is a mistake.
So first write the function that does the work. Then write a macro
that simplifies a syntax to call that function.
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Thx to all. ns-unmap and remove-ns are what i need.
>From my CL experience i was looking for something like unitern.
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I often refactor my code and move some functions to new modules.
Unfortunately i cannot load them, because clojure says that function
with such name is already loaded from another namespace. I could not
find nothing better but to close my clojure session (which means bring
down the web server) and
On Aug 25, 7:37 pm, Alan Busby wrote:
> Reducing it further, I'd be interested just to hear more about the contrast
> of static typing versus macros. Which is more beneficial for different
> situations and why?
I fail to see how macros can be contrasted to static typeng. They are
orthogonal. Her
I'm using str-utils2 for a couple of months now. Do not care about the
old library.
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On Aug 7, 1:23 am, Daniel Lyons wrote:
> This is the difference between FreeBSD and NetBSD. I agree, but I also
> find it useful to crack open core and contrib to see coding examples
> and to understand algorithms.
I'd suggest to include into library for teaching purposes variants of
unopt
Try contrib library duck-streams.
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When reflection warning is on, i get 2 warnings on every my file:
reference to field getClass can't be resolved.
reference to field getClassLoader can't be resolved.
Is this something i should be worried about ?
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On Aug 3, 6:19 pm, ataggart wrote:
> Here's the well-hidden, auto-generated docs for clojure-contrib:
>
> http://richhickey.github.com/clojure-contrib/
>
Thx. That's what i've been looking for.
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There was this awesome browsable list of clojure libraries with short
description of each, list of functions and even links to source.
Now it all replaced with link to github.
Please bring the user friendly and easily browsable documentation
back!
--~--~-~--~~~---~--
On Aug 3, 1:52 pm, luke wrote:
> So you could easily wrap an entirely functional code block
> in a transform-to-transient macro that translates the functions to
> their transient counterparts, and gain all the performance benefits?
I do not think it would be that easy. Transient mode cannot be u
Today i saw the announcement
http://groups.google.com/group/Qilang/browse_thread/thread/592773c562017d87
that the creator and maintainer of another modern lisp dialect Qi
closed the shop and went to India.
The effect on Qi was so drastic that the Qi community are discussing
right now which langua
On Jul 19, 4:19 pm, "Howard M. Lewis Ship" wrote:
> You seem to have a better idea of what's going in in Cascade than I
> do, and I'm the one writing it. Please be patient.
I was replying to the author of the thread who said there are 2
clojure web frameworks. Cascade could very well become a g
On Jul 19, 9:49 am, Wilson MacGyver wrote:
> There are already two webframework in clojure being developed.
> Compojure and cascade. While I'm eagerly waiting to see how these two
> and others will envole
Not much to wait there. Compojure is quite stable and feature rich
now. It is a low lev
Before creating clojure Rich Hickey tried several times to marry
Common Lisp and java:
http://jfli.sourceforge.net/
http://foil.sourceforge.net/
http://lisplets.sourceforge.net/
He spend lots of time and effort to come to realization that something
like clojure is nesessary.
Maybe it is time to
I got into funny discussion about speed of lazy lists versus eager
lists in clojure:
http://www.reddit.com/r/programming/comments/91ha3/how_to_start_using_lisp_at_work/c0b44xp
I did this small example to test it:
user> (time (dorun (map #(+ % 1) (map #(+ % 1) (map #(+ % 1) (repeat
100 7
Potentially interesting library for clojurians. Java STM
implementation: http://www.deucestm.org/
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On Jul 7, 4:08 am, Roman Roelofsen
wrote:
> * Parametrization of "function groups" *
>
> Lets say I have a bunch of functions that provide database operations
> (read, write, delete, ...). They all share information about the
> database the operate on. In an OO language, I would define these
> me
I just got an advise from IRC to use (boolean x).
Problem solved :)
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Here's some warts, when working with boolean fields from sql
databases.
(if (with-db (sql-val ["select convert(bit, 0)"])) "Yes", "no")
will return "Yes". This is because contrib.sql returns java Booleans,
not clojure tru/false.
(if (= false (with-db (sql-val ["select null"]))) "Yes", "no")
wi
What server are you running it on ? Tomcat ?
There's a compojure web framework that already has html combinator
library.
Check it out here: http://preview.compojure.org/docs
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On Jun 25, 8:29 am, Stuart Sierra wrote:
> So AOT-compilation makes the code slightly faster to *load* when your
> application starts, because it doesn't have to compile the code on the
> fly. But Clojure compiler is very fast, so the difference is barely
> noticeable.
Actually i tried to load
Clojure, enclojure, compojure, conjure... I say enough with jure
already.
There are lot's of beautiful project names like Tapestry, Wicket,
Hunchentoot, that do not include parts of the programming language
name they are written in.
How about a normal word, like "Eclair" ?
--~--~-~--~---
On Jun 18, 8:39 am, Howard Lewis Ship wrote:
> I am having fun learning it by creating a simple web framework.
Howard, that's interesting to hear from a Tapestry creator.
I'm in a process of preparing to write a web application with clojure
web framework compojure. But if you have something usa
On Jun 2, 7:55 am, Andrew Wagner wrote:
> > You can use destructuring in your predicate's arg list:
>
> Not to hijack the thread but...is there some reason clojure doesn't just
> just call this pattern-matching? Is it different somehow?
Pattern matching matches not only structure but also value
Fear not. G1 is in Open-JDK, so no one can forbid you use it anyway
you see fit.
The clause in EULA is simply a lawyer talk, to cover their asses if
someone uses experimental feature in production and looses his data or
crashes server.
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I would greatly appreciate instructions how to setup emacs to connect
to already running clojure.
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On May 27, 11:57 pm, kinghajj wrote:
> Example:
> (def add5 ($ + 5))
>
> (add5 3)
I love partial application in haskell. But do not see the need for it
in clojure with its succinct syntax for anonymous functions:
(def add5 #(+ 5 %1))
(add5 3)
Besides clojure's anonymous function syntax allo
Do you have plans to add connect/disconnect to existing running Repl
over the network ?
Emacs has this mode with slime and it is very handy in developing web
applications.
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i saved it with wget and then fixed the files with sed to point to
right resources and urls.
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What are the use case scenarios where one is preferable to the other
in clojure ?
It looks to me like vectors almost completely overtake lists for all
purposes.
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When i use slime with lisp, it shows me function parameters, when
cursor is on a function name. But with clojure it only shows me
Evaluation Aborted. Is this because that feature not implemented, or i
setup something wrong ?
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On Mar 17, 11:50 pm, Laurent PETIT wrote:
> The comp function in clojure.core does just this.
I know about comp function. I was talking about introducing a special
syntax for it.
Since one of the fundamental techniques of functional programming is
composing chains of functions, clojure should h
The power of functional programming is in small number of orthogonal
functions. I'm afraid all these combination functions will quickly
transform clojure into php.
Besides it introduces several ways to do the same thing - more
confusion (especially to newbies).
Instead of littering the language wi
Is (first (filter ..) lazy like in haskell ?
I would hate to wait for filter to get all results just to throw them
out and pick the first one.
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