Hi,
as threatened previously I wrote a summery blog post of this
discussion: http://kotka.de/blog/2010/03/memoize_done_right.html.
Please let me know in case I missed something crucial.
I'm also working on a protocol/type based implementation here:
http://paste.pocoo.org/show/190179. More to come
On Mon, Mar 15, 2010 at 11:24 PM, Garth Sheldon-Coulson wrote:
> Christophe, thanks for the partial memoization tip. I think that would
> work in many cases, but for my current use case I really need to put a
> lock on the ref, because the function is very expensive and other
> threads will be upd
Hi Chouser,
On Mon, Mar 15, 2010 at 11:27 PM, Chouser wrote:
> I make no claims about the Rightness of this suggestion, but
> simply offer another example of a work-around:
>
>(dosync (alter r identity) (alter r f))
>
> That is, a "dummy write" via alter is also sufficient to allow
> the tra
I've been comparing the definition of the Clojure's state monad --
state-m in clojure.contrib.monads -- to definitions I've found
elsewhere, and there's a facet of the Clojure definition that's
puzzling: Why do monadic functions in state-m only accept one argument
(a "basic value") and return a mon
> What would be lost by defining Clojure bind operator like this:
>
> (fn m-bind-state [mv f]
> (fn [s]
> (let [[v ss] (mv s)]
> (f v ss
>
> Is there more to it than, "Monadic functions must return monadic
> values.
My first thought was that it would be problematic for the
*facepalm* I should've known GG was just hiding the post from me.
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> Is there more to it than, "Monadic functions must return monadic
> values"?
>
> Any clarifying advice would be welcome.
>
Gah, I already wrote a reply, but looks like I lost it somehow. To
summarise:
I think one of the main benefits of the monad abstraction is the
uniformity of all monads. ie.
Meikel,
Is Vimclojure stable enough to have it on my Window's Vista? I tried it out
before without success.
Regards,
Emeka
On Fri, Feb 26, 2010 at 6:22 AM, Meikel Brandmeyer wrote:
> Hi,
>
> On Feb 25, 4:46 pm, Vitaly Peressada wrote:
>
> > Installed vimclojure-2.1.2 on Windows XP SP3. Have d
Did Clojure ever submit to GSoC for 2010?
On Feb 14, 11:59 am, Vivek Khurana wrote:
> On Feb 14, 11:27 am, Vivek Khurana wrote:
>
> > I had moved to Clojure recently. I had been GSoC mentor twice and I
> > have the t-shirt to prove it ;-) . If clojure is accepted in GSoC, I
> > will be happy to
I'd really like to use leiningen to assemble my classpath for me, but
need to reference a jdbc jar.
What is the approved method of doing this?
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My niche currently is web programming and web interfaces. I have not
used java and I have a certain comfort level with lisp dialects.
I use emacs 22.3.1 on slackware 13.0 32-bit.
Therefore clojure is of interest to me.
I would welcome links to discussions, resources etc. on this topic.
Thanks
--
On Tue, Mar 16, 2010 at 5:25 AM, Christophe Grand wrote:
> On Mon, Mar 15, 2010 at 11:27 PM, Chouser wrote:
>>
>> I make no claims about the Rightness of this suggestion, but
>> simply offer another example of a work-around:
>>
>> (dosync (alter r identity) (alter r f))
>>
>> That is, a "dummy
On Mon, Mar 15, 2010 at 3:11 PM, Tim Johnson wrote:
> My niche currently is web programming and web interfaces. I have not
> used java and I have a certain comfort level with lisp dialects.
> I use emacs 22.3.1 on slackware 13.0 32-bit.
>
> Therefore clojure is of interest to me.
> I would welcom
On Tue, Mar 16, 2010 at 12:22 PM, stevel wrote:
> I'd really like to use leiningen to assemble my classpath for me, but
> need to reference a jdbc jar.
> What is the approved method of doing this?
>
You should put your jar into the lib directory of your project folder. You
can customize this but
Hi people!
I'm not use it, but first link to explore
http://github.com/weavejester/compojure
My collected links
http://delicious.com/ajlopez/compojure
http://delicious.com/ajlopez/clojure+webdevelopment
Angel "Java" Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez
On Mon, Mar 15, 2010 at
A major part of the "point" behind monads is that they can hide some
implicit parameter passing. In the case of State, the implicit
parameter is the current state and it is passed "inside" the bind
operator. Haskell is no different from Clojure on this point: a
State-using programme builds up a sta
On Tue, Mar 16, 2010 at 9:22 AM, stevel wrote:
> I'd really like to use leiningen to assemble my classpath for me, but
> need to reference a jdbc jar.
> What is the approved method of doing this?
The best way to do it would be to push it to a public repository so
everyone on your team can have ac
Hi,
On Tue, Mar 16, 2010 at 07:01:38PM +, Emeka wrote:
> Is Vimclojure stable enough to have it on my Window's Vista? I tried it out
> before without success.
I have a stable setup on Windows XP. I can't tell for Vista but I would
not expect any problems beyond the usual Windows annoyances.
* David Nolen [100316 12:12]:
> On Mon, Mar 15, 2010 at 3:11 PM, Tim Johnson wrote:
>
> > My niche currently is web programming and web interfaces. I have not
> > used java and I have a certain comfort level with lisp dialects.
> > I use emacs 22.3.1 on slackware 13.0 32-bit.
> >
> > Therefore c
Jarkko Oranen writes:
[...]
> This way, you can write a function that works under many different
> monads, as long as it uses the generic facilities to return monadic
> values. eg. a lifted inc:
>
> (defn m-inc [v]
> (m-result (inc v))
>
> which can be used in the state monad as an argument to
Michał Marczyk writes:
> a State-using programme builds up a stateful computation first, then
> uses runState (or perhaps execState / evalState) to run it as a whole;
> only at this final step does the initial state actually get poured
> into the opening of the monadic pipe, as it were.
That's a
There's also Conjure which is a Rails like framework for Clojure. It
includes everything you need, templating with clj-html, persistence
with clj-record, and Ring to bind them all.
You can find it on Github at: http://github.com/macourtney/Conjure
I've added considerable documentation on the wiki
* Matt [100316 17:16]:
> There's also Conjure which is a Rails like framework for Clojure. It
> includes everything you need, templating with clj-html, persistence
> with clj-record, and Ring to bind them all.
>
> You can find it on Github at: http://github.com/macourtney/Conjure
>
> I've added
there is a good screencast that deal with compojure + emacs.
http://www.bestinclass.dk/index.php/2009/12/dynamic-interactive-webdevelopment/
compujure is a route based webframework, very much like ruby's sinatra.
I figure with your emacs background, this will feel very much at home.
On Mon, Mar
Just saw that I need to sign the contributor agreement. Will do
promptly. I additionally have implemented two new functions that I
believe could fit in clojure-contrib.seq and clojure-
contrib.combinatorics. The seq function partition-at-fenceposts allows
you to partition a seq based upon bits flip
* Wilson MacGyver [100316 18:17]:
> there is a good screencast that deal with compojure + emacs.
>
> http://www.bestinclass.dk/index.php/2009/12/dynamic-interactive-webdevelopment/
>
> compujure is a route based webframework, very much like ruby's sinatra.
>
> I figure with your emacs backgroun
On 17.03.2010, at 00:17, Steven E. Harris wrote:
> Ah, but here's where part of my confusion arises. With this treatment of
> such a built-up computation, it's a kind of a zero-argument function, in
> that there's no way to pass in a "basic value" to kick it off. Where
> does the first "basic valu
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