On Wed, Dec 8, 2010 at 1:08 AM, Jason Wolfe wrote:
>> Posting a reply to someone that consists solely of a link that, when
>> accessed by that someone, throws up an access denied message in their
>> face, is an equivalent act to sending them an encrypted reply for
>> which they don't have the key,
> Posting a reply to someone that consists solely of a link that, when
> accessed by that someone, throws up an access denied message in their
> face, is an equivalent act to sending them an encrypted reply for
> which they don't have the key, or handing them a locked briefcase for
> which they don
On Wed, Dec 8, 2010 at 12:02 AM, Stuart Halloway
wrote:
> The permissions were not set correctly for anonymous read access. I have
> changed them, you should be able to get there now:
> http://dev.clojure.org/jira/browse/CONTRIB-102.
Ah, so there was indeed a technical snafu. Glad that's cleare
Ask Rich if you can use his Ants example.
His comment about running it on the Azul(?) machine
is interesting.
On 12/7/2010 7:56 PM, Alex Baranosky wrote:
Hi guys,
I'm going to be doing a 15 minute Clojure lighting talk in a few weeks
for work. I've been having trouble finding a nice topic fo
The permissions were not set correctly for anonymous read access. I have
changed them, you should be able to get there now:
http://dev.clojure.org/jira/browse/CONTRIB-102.
Effective communication tip: Please preserve links in responses, so that when
somebody is trying to track down issues they
On Tue, Dec 7, 2010 at 10:53 PM, Alan wrote:
> Link works fine.
Does it?
> You have to be logged in
Then, in my opinion, it does NOT work fine. I should be able to VIEW
anything non-confidential without logging in, though I expect to
possibly have to login to POST stuff. (And if something IS
co
Hi Alex,
The first part of these slides covers Ruby / Clojure syntax and might
be useful:
http://www.slideshare.net/jfheon/clojure-forrubyists
Break a leg ;)
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Link works fine. You have to be logged in (this is a point of
contention, I think).
On Dec 7, 6:58 pm, Ken Wesson wrote:
> On Tue, Dec 7, 2010 at 3:05 PM, Jason Wolfe wrote:
> >http://dev.clojure.org/jira/browse/CONTRIB-102
>
> Link doesn't work. It goes to a login prompt and not to ... well,
>
On Tue, Dec 7, 2010 at 12:28 PM, Mike Meyer
wrote:
> On Tue, 7 Dec 2010 02:58:11 -0500
> Ken Wesson wrote:
>> On Tue, Dec 7, 2010 at 2:15 AM, javajosh wrote:
>> > Mike also points out that things that aren't functions (not used in
>> > that context) can't be aliased with def or use.
>>
>> Really
On Tue, Dec 7, 2010 at 3:05 PM, Jason Wolfe wrote:
> http://dev.clojure.org/jira/browse/CONTRIB-102
Link doesn't work. It goes to a login prompt and not to ... well,
whatever you intended it to go to.
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On Tue, Dec 7, 2010 at 6:57 PM, Alan wrote:
> I remember I was very excited about Java 1.5 when it came out, because
> of all the syntactic sugar it provided. I was tired of typing
>
> for (int i = 0; i < foo.length; i++) {
> Bar b = foo[i];
> // do stuff with b
> }
>
> 1.5 introduced the fo
The three things that I've seen that impressed me (and I'm a newb)
were:
1. Swing GUI construction. Clojure's psuedo "with" syntax makes it
very elegant.
2. Multi-threaded ant simulation. Although, I might try to do
something simpler.
3. Numerical calculations. The fact that Clojure uses arbitrary
Getting started with clojure via clojure.test would probably be practical for
getting people to try it out. Especially ruby people (who generally put more
than average emphasis on testing).
Sent from my iPhone
On Dec 7, 2010, at 7:56 PM, Alex Baranosky
wrote:
> Hi guys,
>
> I'm going to be
> > Comments/criticism/improvements welcomed.
>
> "EVIL" doesn't have to be a macro. You could just make it a function:
>
> (defn EVIL [path]
> (GET path [expr]
> (if (nil? expr)
> (html path)
> (json-str (eval-expr expr
Right you are kind Sir.
Pushed to clojars.
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Hi guys,
I'm going to be doing a 15 minute Clojure lighting talk in a few weeks for
work. I've been having trouble finding a nice topic for 15 minutes, mostly
because it is too short of a time to cover a wide array of... anything.
The audience does Java / Ruby so I am concerned about the syntax
Great, thanks!
-Jason
On Dec 7, 2:52 pm, Laurent PETIT wrote:
> Will provide a patch soon,
>
> thanks for the bug report
>
> 2010/12/7 Jason Wolfe
>
>
>
> > On Dec 6, 8:41 pm, Ken Wesson wrote:
> > > On Mon, Dec 6, 2010 at 10:27 PM, Jason Wolfe
> > wrote:
> > > > This happens in both Clojure
I remember I was very excited about Java 1.5 when it came out, because
of all the syntactic sugar it provided. I was tired of typing
for (int i = 0; i < foo.length; i++) {
Bar b = foo[i];
// do stuff with b
}
1.5 introduced the foreach loop syntax, so that I could instead write
for (Bar
There are plenty of things that can be done with macros, that cannot be done
in Scala or Java. I can't find an example off hand, but the books: The Joy
of Clojure, Clojure in Action, and Programming Clojure have good examples
throughout.
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Hi,
I was wondering if there are any good examples that show what
advantages clojure/lisp has over most other programming languages.
I mean a piece of code that couldn't be easily translated into e.g.
scala or java. A program that would take much longer to develop in
other languages due to the uniq
Will provide a patch soon,
thanks for the bug report
2010/12/7 Jason Wolfe
>
>
> On Dec 6, 8:41 pm, Ken Wesson wrote:
> > On Mon, Dec 6, 2010 at 10:27 PM, Jason Wolfe
> wrote:
> > > This happens in both Clojure 1.2 and 1.3-latest:
> >
> > > user=> (require 'clojure.contrib.core)
> > > nil
> >
On Dec 7, 5:50 am, Sean Devlin wrote:
> This is a solved problem. The trick is to use a higher-higher order
> function...
>
> http://fulldisclojure.blogspot.com/2010/01/12-fn-proposal-same-multis...
Why not call it "unseq"?
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On Dec 6, 8:41 pm, Ken Wesson wrote:
> On Mon, Dec 6, 2010 at 10:27 PM, Jason Wolfe wrote:
> > This happens in both Clojure 1.2 and 1.3-latest:
>
> > user=> (require 'clojure.contrib.core)
> > nil
> > user=> (clojure.contrib.core/-?> 1 inc)
> > 2
> > user=> (clojure.contrib.core/-?> 1 inc inc)
I see you have defined a print-and-return macro; you might prefer my
and-print:
(defmacro and-print
"A useful debugging tool when you can't figure out what's going on:
wrap a form with and-print, and the form will be printed alongside
its result. The result will still be passed along."
[va
On Tue, 7 Dec 2010 02:58:11 -0500
Ken Wesson wrote:
> On Tue, Dec 7, 2010 at 2:15 AM, javajosh wrote:
> > Mike and I have had a nice off-line conversation where we enumerated
> > the possible things that can come after open-parens. I listed 7, he
> > added 3:
That wasn't meant to be offline, bu
Hi,
Am 07.12.2010 um 08:58 schrieb Ken Wesson:
> The ns macro is particularly
> guilty of this. I say guilty because I think it's bad design, which I
> guess may have been grandfathered in before the standard was settled
> on to use [] around non-executable lists of data such as binding
> lists.
If you use (empty m) rather than {} it will also work for other types.
On Dec 7, 5:45 am, Ken Wesson wrote:
> This is also very easy to implement:
>
> (into {}
> (for [[k v] the-map]
> [k (f v)]))
>
> e.g.
>
> user=> (into {}
> (for [[k v] {:a 3 :b 7}]
> [k (inc v)]))
> {:a 4, :b 8}
>
Thanks all.
How would I do this protocol extension thing? My guess is that I need
to define the IAtom protocol myself, and then do something like this?
(defprotocol IAtom
(compare-and-set! [])
...)
(extend-type clojure.lang.Atom
IAtom
(compare-and-set! [])
...
IDeref
(deref []))
B
This is a solved problem. The trick is to use a higher-higher order
function...
http://fulldisclojure.blogspot.com/2010/01/12-fn-proposal-same-multisame.html
On Dec 7, 7:38 am, Daniel Janus wrote:
> While on the topic, I'd like to raise a naming issue.
>
> The 'mapmap' function seems to be a re
On Tue, Dec 7, 2010 at 3:31 AM, Tobias Raeder
wrote:
> Just checking performance versus the version i have been using i
> noticed quite a difference
>
> For 10 runs over a small 10 key/value map
> (defn fmap [keyf valf m]
> (into {}
> (for [[k v] m]
> [(keyf k) (valf v)])))
> 550ms
>
Thanks a lot for all the answers :)
I've been busy trying to understand all the scripts that you posted.
The code works but I also wanted to know why.
I'm new to Clojure and it's hard for me to understand "advanced code",
but looking through the docs and the api I'm learning a lot.
Cheers!
On 4
Just checking performance versus the version i have been using i
noticed quite a difference
For 10 runs over a small 10 key/value map
(defn fmap [keyf valf m]
(into {}
(for [[k v] m]
[(keyf k) (valf v)])))
550ms
(defn fmap2 [keyf valf m]
(-> (fn [inputmap [k v]]
(assoc inp
While on the topic, I'd like to raise a naming issue.
The 'mapmap' function seems to be a recurring theme (see, e.g.,
http://tech.puredanger.com/2010/09/24/meet-my-little-friend-mapmap/)
and many Clojure projects include one -- Incanter comes to mind. My
project used to, too. But we found out that
I don't think it will affect Clojure and OpenJDK communities much.
Apache always wanted to have a certified Java implementation under
permissive license. They probably get sponsor money for not using
copyleft licenses like GPL [1].
Also, I recommend the recent talk by James Gosling on Apple, Apac
I would not be surprised if some regulatory agency (UE) puts it's nose in
this if it has real impacts. Especially if Oracle does not abide by previous
agreements with the Open Source community.
If a regulator sanctions Oracle, others will follow most likely.
If Oracle wants to be the next Micros
On 7 December 2010 09:22, javajosh wrote:
> Anyway, I'm aware that open-parens is the signal to Invoke or Call
> something in Clojure - and therefore anything after the parens is
> Callable. It is the incredible diversity of 'Things I Can Invoke' that
> makes the parens difficult to a newb. (Altho
On Dec 7, 12:00 pm, Baishampayan Ghose wrote:
> Hello,
>
> http://www.theregister.co.uk/2010/12/07/apache_google_vote_no_oracle_...http://news.ycombinator.com/item?id=1977720
>
> Does this mean anything for Clojure (on the JVM)?
As an interesting aside, here is the details on JCP votes:
http://
On Tue, Dec 7, 2010 at 4:22 AM, javajosh wrote:
> As an aside, it would be nice if there was some code convention to
> distinguish between macros and functions, just as there is a
> convention for identifying globals. (doc something) gets to be rather
> tedious to type.
+1, with two provisos: spe
On Dec 6, 11:58 pm, Ken Wesson wrote:
> On Tue, Dec 7, 2010 at 2:15 AM, javajosh wrote:
> > Mike and I have had a nice off-line conversation where we enumerated
> > the possible things that can come after open-parens. I listed 7, he
> > added 3:
>
> >> 1. A value (if the paren has a tick '( )
>
Hi,
Am 06.12.2010 um 22:38 schrieb Ken Wesson:
> A reduce that discards one of its arguments (e.g. (reduce (fn [n _]
> (inc n)) coll)) also strikes me as slightly icky. :)
Indeed this would fit in the 5% left. Anyway: I can't remember writing a
function with accumulator not using the other argu
Incidental mutability is the key. Functional programming doesn't
eliminate mutability, it manages it: only the parts of the system
that truly need to change state do so. Everything else is pure and
easy to write and test. Contrast that with imperative programming
where it's hard to tell which s
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