I wasn't aware of the group-by function. Being new to clojure, I spent
hours coming up with my complex function. Seeing the one line solution
really blew me away. Thanks!!
Follow up questions on my problem (my code again first):
;data is a list of records (maps)
(def data '({:a1 2 :a2 34 :a3 76 :
On Apr 16, 5:43 pm, Sam Aaron wrote:
> It feels to me that in addition to asking which open source projects would be
> useful/beneficial for novices to hack on, it would be useful to have a list
> of open source projects that are useful/beneficial for novices to read and
> understand.
Possibly
1.3 is not even beta yet, so still a long way from "final." In the latest
snapshots, :dynamic is no longer added automatically, but it still prints a
warning.
-S
--
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to
It will get there eventually...
-S
--
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to clojure@googlegroups.com
Note that posts from new members are moderated - please be patient with your
first post.
To unsubscribe f
Simpler still: group-by?
(group-by :a1 data) produces the result that Shoeb was looking for.
PS The original message isn't in Google's archives either.
On Apr 17, 7:54 am, Nate Austin wrote:
> I didn't see this original email for some reason, but here's a
> simplified version:
>
> (reduce
>
On Sun, Apr 17, 2011 at 1:34 AM, Ulises wrote:
> I've started doing exactly what you did: double coding at work. And
> that has kept me going for a while. Just as you said, because I didn't
> have to learn 2 things (the domain and the language) I could
> concentrate on one (the language) and hence
I would very much like to study and understand how Clojure works
"under the hood".
Yes, I have downloaded the source and looked at it.
Yes, I have all the books about programming in Clojure.
But what I am looking for is learning and understanding how the
Clojure JVM-code actually works.
And how i
I didn't see this original email for some reason, but here's a
simplified version:
(reduce
(fn [coll {a1 :a1 :as value}] (update-in coll [a1] conj value))
{}
data)
This takes advantage of update-in passing nil if it doesn't have the
key and conj with nil returning a seq of one value.
On Su
On Sun, Apr 17, 2011 at 9:37 PM, Carin Meier wrote:
>
>
> Other areas that I have an interest in right now is the Semantic Web.
> There is a vast amount of data out there out on dbPedia. Tapping into
> it and integrating to other sites/ services (like twitter) would be
> quite exciting.
>
>
Check
I would second this.
On Apr 16, 8:43 pm, Sam Aaron wrote:
> It feels to me that in addition to asking which open source projects would be
> useful/beneficial for novices to hack on, it would be useful to have a list
> of open source projects that are useful/beneficial for novices to read and
>
First, much thanks to everyone for the feedback and suggestions. It
really helps.
One of my interests is sharing my enthusiasm for Clojure by exposing
it in an accessible, educational and fun way to developers. From this
standpoint, the 4clojure project is very interesting to me. Clojars
makes
Wrote the following function which did the trick:
(defn partn [data]
(let
[add-mapping
(fn [m v]
(assoc m v (filter #(= v (:a1 %)) data)))]
(reduce add-mapping {} (set (map #(:a1 %) data
On Sat, Apr 16, 2011 at 8:15 PM, shuaybi wrote:
> I am trying to write a functio
Hi,
you find such a memoize here:
http://kotka.de/blog/2010/03/memoize_done_right.html.
It's based on an old discussion thread of memoize here on the group.
Then there is cache-dot-clj, which is based on the above:
https://github.com/alienscience/cache-dot-clj.
Hope that helps.
Sincerely
Meikel
I noticed recently that clojure.core/memoize does not promise that
memoized calls will occur only once in the presence of multiple
threads. i.e:
user=> (dorun (map (memoize (fn [x] (Thread/sleep 1000) (print x)))
(repeat 10 1)))
1nil
However:
user=> (dorun (pmap (memoize (fn [x] (Thread/sleep 10
> So, questions to Carin, Alex and Alan (and Ulises): What interests
> you? What problems do you have that you'd like solutions for? Knowing
> that, folks might be able to point you at existing projects to take
> part in (or might confirm no such project exists and they'd be
> interested in collabo
Hello!
Fleet have parameters for sure :)
Creating template from string:
(fleet [post] "<(post :body)>")
returns function of single argument post.
(fleet [post, comments] "<(post :body)> <(comments :count)>")
returns function of two arguments post, comments.
Creating multiple templates from dir:
16 matches
Mail list logo
