On Saturday, 15 December 2012 17:42:05 UTC+10, puzzler wrote:
>
> (I took the liberty of replacing #(= \a %) with #{\a})
>
> On Fri, Dec 14, 2012 at 11:37 PM, Mark Engelberg
>
> > wrote:
>
>> (comp (partial apply str) (partial filter #{\a}))
>>
>
>
You're most welcome. Thank you for this.
A co
Sorry for that stupid question. Was coding to much. :)
Cheers.
On Saturday, December 15, 2012 3:42:24 AM UTC+3, Alexander Semenov wrote:
>
> Hi, folks.
>
> I need a generalized version of clojure.core/format function, i.e.
> function that accepts a pattern like "-%s-%s-%s-", two functions and fo
The apply is needed here because filter is going to return a sequence
of strings and you really want to `apply' str on it.
-BG
On Sat, Dec 15, 2012 at 1:39 PM, Peter West wrote:
> A couple of questions, if I may.
>
> In (partial apply str) why the apply?
>
> Given the apply, why the partial?
On Saturday, 15 December 2012 18:09:13 UTC+10, Peter West wrote:
>
>
>
> On Saturday, 15 December 2012 17:42:05 UTC+10, puzzler wrote:
>>
>> (I took the liberty of replacing #(= \a %) with #{\a})
>>
>> On Fri, Dec 14, 2012 at 11:37 PM, Mark Engelberg wrote:
>>
>>> (comp (partial apply str) (parti
On Friday, December 14, 2012 6:40:50 PM UTC-5, lin...@redhandgaming.net
wrote:
>
> Where can I find, or does there exist, a place where I can view all
> Clojure's built in functions with a short description of their arguments
> and what they do?
>
As Andy pointed out, Clojuredocs is the place
Thanks Baishampayan.
I'm still puzzled about this though, because (doc str) says that with one
argument x, str returns x.toString(). What it returns is
"clojure.lang.LazySeq@fe1"
So it seems to be returning a lazy sequence. Why is the function not simply
applied? Other functions are "applied" s
On Saturday, 15 December 2012 17:42:05 UTC+10, puzzler wrote:
>
> (I took the liberty of replacing #(= \a %) with #{\a})
>
> On Fri, Dec 14, 2012 at 11:37 PM, Mark Engelberg
>
> > wrote:
>
>> (comp (partial apply str) (partial filter #{\a}))
>>
>
>
Puzzler,
Your change replaces the single argume
> I'm still puzzled about this though, because (doc str) says that with one
> argument x, str returns x.toString(). What it returns is
> "clojure.lang.LazySeq@fe1"
>
> So it seems to be returning a lazy sequence. Why is the function not
> simply applied? Other functions are "applied" simple by
An example will make it clear for you...
(str ) => (str '("foo" "bar" "baz"))
(apply str ) => (str "foo" "bar" "baz)
Hope this helps.
-BG
On Sat, Dec 15, 2012 at 3:48 PM, Peter West wrote:
> Thanks Baishampayan.
>
> I'm still puzzled about this though, because (doc str) says that with one
> a
I know my reply is a bit delayed but the past 2-3 days have been frantic!
On 12/12/12 18:00, Michał Marczyk wrote:
@Jim:
That function generates factory functions which themselves use no
reflection and incur no performance penalty at all. The only
performance hit visible at runtime comes from t
@Mark
To be honest i cannot answer your question...however it works...demo
follows:
sorted@sorted-desktop:~$ lein2 repl
nREPL server started on port 50832
REPL-y 0.1.0-beta10
Clojure 1.4.0
Exit: Control+D or (exit) or (quit)
Commands: (user/help)
Docs: (doc function-name-here)
I have defined these types of records for modelling a simple shopping cart:
; An item in the cart
(defrecord Item [id name product quantity purchased])
; The product that relates to the item in the cart
(defrecord Product [id name description prices])
; A price definition
(defrecord Price [price
>
> (comp (partial apply str) (partial filter #{\a}))
>
Or, (comp join (partial filter #{\a}))
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I think I am close to answering this myself (which is always nice!)
I have done the necessary joins with map and I can return a product
description
user=> (map (fn [item product] (= (:product item (:id product)))
(:description product)) items products)
("Men's Leather Slip on Brogues" "CK Y Fro
OK - I have it now:
(map (fn [item product] (= (:product item (:id product))) [(:id item)
(:description product)]) items products)
This feels OK to me but if anyone has a nicer / more idiomatic solution, I
will be happy to take feedback.
ray
On Saturday, December 15, 2012 7:08:21 PM UTC+1, mo
(responses inline)
On Sat, 15 Dec 2012, mond wrote:
I have defined these types of records for modelling a simple shopping cart:
; An item in the cart
(defrecord Item [id name product quantity purchased])
; The product that relates to the item in the cart
(defrecord Product [id name descriptio
On Sat, 15 Dec 2012, Benjamin R. Haskell wrote:
Or if you really want a list, you need to quote it:
(map (fn [item product] '(:id item :description product)) items products)
Oops, wrong. Rather, you would want clojure.core/list:
(map (fn [item product] (list :id item :description product))
On Thursday, December 13, 2012 8:21:09 PM UTC+1, Trastabuga wrote:
>
> A while ago I created a small web site based on Clojure. I noticed that
> when there was no requests to the site for some period of time (a few
> hours) it may take up to 20-30 seconds to process an incoming request.
> I am wo
...which should be also a lot faster :)
On Saturday, December 15, 2012 5:44:01 PM UTC+1, Armando Blancas wrote:
>
> (comp (partial apply str) (partial filter #{\a}))
>>
>
> Or, (comp join (partial filter #{\a}))
>
>
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Nonsense. Why would that be any faster? (join coll) is defined as (apply
str coll).
On Saturday, December 15, 2012 12:21:45 PM UTC-8, Marek Šrank wrote:
>
> ...which should be also a lot faster :)
>
> On Saturday, December 15, 2012 5:44:01 PM UTC+1, Armando Blancas wrote:
>>
>> (comp (partial app
Thanks for picking up the cudgels Ben!
To be honest I am struggling to repeat your advice in the REPL. In any
case, I decided to change the data structures in line with your advice and
put the IDs into maps rather than the records.
(defrecord Item [name product quantity purchased])
(defrecord
Does anyone have a good method for syntax coloring clojure code snippets
for a wordpress blog? I've recently started my new blog, and I'm posting
clojure snippets, and would like for them to be syntax highlighted and
indented properly.
Nick Gonzalez
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You received this message because you a
Well here I am over a year later with the same problem. I'm curious, what
was your solution for the time being?
On Tuesday, September 27, 2011 1:06:37 PM UTC-5, David Nolen wrote:
>
> On Tue, Sep 27, 2011 at 1:54 PM, Nathan Sorenson
> > wrote:
>
>> Should IPersistentCollection even be defining '
Hi,
After some studies about JavaFX with Clojure, and bricks broke with my
head, I wrote a sort of wrapper to work more easily with both.
It's here : https://github.com/chrix75/javafx-clj
You can play with JavaFX in your REPL and you have the macro with-javax and
wit-javafx-let that let you wri
Hi,
Thought to bring up the recent ClojureCLR binary download issue:
1. The http://clojure.org/ homepage links ClojureCLR to the old Github repo.
2. The `Download` links on ClojureCLR repo have gone missing:
https://github.com/clojure/clojure-clr
#2 may have to do with Github's recent announcem
On Sat, 15 Dec 2012, mond wrote:
Thanks for picking up the cudgels Ben!
Ha. It's nice to have reached a point where I feel at-all confident
with any of this... happy to help.
To be honest I am struggling to repeat your advice in the REPL. In
any case, I decided to change the data struct
In a couple of months, I'll have a whole day of teaching Clojure to ten of
my colleagues. They are experienced Java programmers, but otherwise Clojure
rookies. Any tips on how to structure such a workshop day?
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There is one advice I can give from my teaching experience: don't overwhelm
them with data. A person can assimilate only so many concepts in a day, no
matter whether the workshop lasts two or eight hours.
Pick a few key concepts and spend much time on approaching each concept
from many differe
In core.logic we have a protocol called IUninitialized that you can
implement. That works well enough for our needs.
On Saturday, December 15, 2012, Joseph Smith wrote:
> Well here I am over a year later with the same problem. I'm curious, what
> was your solution for the time being?
>
> On Tuesd
On Sat, Dec 15, 2012 at 11:02 PM, Nick Gonzalez wrote:
> Does anyone have a good method for syntax coloring clojure code snippets
> for a wordpress blog? I've recently started my new blog, and I'm posting
> clojure snippets, and would like for them to be syntax highlighted and
> indented properly
Cool. I'm just seeing this now. I actually spent some time a while back
getting a very simple nleiningen working in ClojureCLR. I had nuget
downloads working and also the ability to AOT compile namespaces and merge
them into a single DLL. It's not fully ready for prime time yet though, in
p
I had a test to show how it work.
Le samedi 15 décembre 2012 22:10:50 UTC+1, Christian Sperandio a écrit :
>
> Hi,
>
> After some studies about JavaFX with Clojure, and bricks broke with my
> head, I wrote a sort of wrapper to work more easily with both.
> It's here : https://github.com/chrix75/
Hi Mark and Baishampayan,
I can see what difference it makes, but I can't get a handle on the
rationale. For instance, I found this discussion:
http://stackoverflow.com/questions/1257028/why-should-i-use-apply-in-clojure
It starts with a quote from a Rich Hickey blog post, as follows.
> A big d
On Sat, Dec 15, 2012 at 3:58 PM, Peter West wrote:
> But it can't, can it? In this context (apply f [i]) with respect to (f i)*
> apply *has *side-effects*!
>
This doesn't really make any sense. There are no side effects here. I
think maybe you just don't understand what apply does. Let me t
On Saturday, December 15, 2012 3:27:26 PM UTC-6, Shantanu Kumar wrote:
>
> Hi,
>
> Thought to bring up the recent ClojureCLR binary download issue:
>
> 1. The http://clojure.org/ homepage links ClojureCLR to the old Github
> repo.
>
Whoever maintains the homepage will have to fix this. Note: t
Surely because Fogus was in process of upgrading it :D
go check it out now!
http://dev.clojure.org/display/community/Clojure+Success+Stories
On Friday, December 14, 2012 3:34:23 PM UTC+1, Jeff Heon wrote:
>
> I'm asked to log in now to access this page.
>
> On Thursday, April 28, 2011 11:03:53 P
Hi,
Since it can not be included as a dependency, how does one integrate the
Google Closure Template library into a Leiningen-based
Clojure/ClojureScript application? Ideally, I'd like for the templates to
be auto-compiled as is done for *.cljs files via the cljsbuild plugin.
Thanks.
-Ari
-
Let's say I have a file "hello.clj" that simply contains the line:
(println "hello, world")
What's the simplest way to run this clojure file? I'm looking for
something simpler than setting up a lein project. Is there something along
the lines of:
java clojure.jar hello.clj
that would actually wo
Yep.
java -jar clojure.jar hello.clj
Should do the trick. Alternatively,
java -cp clojure.jar clojure.main hello.clj
Will also work if you need to control the classpath more.
Dave
On Saturday, December 15, 2012, Mark Engelberg wrote:
> Let's say I have a file "hello.clj" that simply con
I use WP-Syntax[1] plugin which uses GeSHi , which seems be working fine
for me on my blog [2]
[1] http://wordpress.org/extend/plugins/wp-syntax/
[2]
http://www.vijaykiran.com/2012/01/31/web-application-development-with-clojure-part-3/
On Saturday, December 15, 2012 10:02:11 PM UTC+1, Nick Gon
Thanks. I think that used to be on the Getting Started page, but now the
page is just links to info about how to get up and running with IDEs, so I
had trouble finding it.
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On Sunday, 16 December 2012 06:01:54 UTC+5:30, dmiller wrote:
>
> [Off-topic] -- I noticed this when I wanted to confirm the binaries
>> because I was running into the following error:
>>
>> FATAL UNHANDLED EXCEPTION: System.MissingFieldException: Field
>> 'clojure.lang.RT.OutVar' not found.
>>
Why are you using puzzler's account and what did you did to him?!
On Saturday, December 15, 2012 7:28:56 PM UTC-8, puzzler wrote:
>
> Thanks. I think that used to be on the Getting Started page, but now the
> page is just links to info about how to get up and running with IDEs, so I
> had troub
Hi,
I noticed the following ClojureCLR errors using Mono 2.10 on Ubuntu 12.04
(they do not happen on Windows using either .NET or Mono):
1. when running Clojure.Compile.exe:
Exception: System.MissingFieldException: Field 'clojure.lang.RT.OutVar' not
found.
2. when using Clojure.Main.exe:
Exc
On Sunday, 16 December 2012 09:20:31 UTC+5:30, Shantanu Kumar wrote:
>
> On Sunday, 16 December 2012 06:01:54 UTC+5:30, dmiller wrote:
>
>>
>> [Off-topic] -- I noticed this when I wanted to confirm the binaries
>>> because I was running into the following error:
>>>
>>> FATAL UNHANDLED EXCEPTION
This is when using ClojureCLR 1.4.0 Debug-4.0 version.
Shantanu
On Sunday, 16 December 2012 09:45:21 UTC+5:30, Shantanu Kumar wrote:
>
> Hi,
>
> I noticed the following ClojureCLR errors using Mono 2.10 on Ubuntu 12.04
> (they do not happen on Windows using either .NET or Mono):
>
> 1. when runn
Hmmm, looks like googlegroups is stripping out my email address and
replacing it with one of my google account handles. Probably depends on
what method you are using to view the group messages. I'm not going out of
my way to be pseudonymous, it just seems to be a feature of the group.
On Sat, De
If you are from Belgium, Don't get too excited - yet - .
I've been wondering about organising a small meetup somewhere next
semester. (I peeked at our northern neighbours:
http://www.meetup.com/The-Amsterdam-Clojure-Meetup-Group/events/88386392/)
Though, I have no idea at all how many people he
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