I opened a bug report, let's see what the pros have to say on this:
http://dev.clojure.org/jira/browse/CLJ-1119
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That's why Jim mentions if-let and when-let in combination with some, they
both detect if results are nil.
On Sunday, December 2, 2012 10:11:24 PM UTC+1, Ben wrote:
On Sun, Dec 2, 2012 at 12:48 PM, Jim - FooBar();
jimpi...@gmail.comjavascript:
wrote:
Its perfectly fine to use some as a
Hi,
I found database connection pools to be the right thing to use with
c.j.jdbc and multiple databases.
https://clojars.org/org.bituf/clj-dbcp
(let [conn1 (make-pool-1)
conn2 (make-pool-2)]
(sql/with-connection conn1
(sql/with-query-results r [select ...]
(sql/with-connection
This behavior has the same source as CLJ-457. Applying my patch for CL-457,
I get:
user= (def mapped (map (fn [_] (throw (Exception.))) [1 2 3]))
#'user/mapped
user= mapped
Exception user/fn--1 (NO_SOURCE_FILE:1)
(user= mapped
RuntimeException Recursive seq realization
Ah thanks many times. I saw 457 when I searched the issue list before opening a
new one but it wasn't clear to me they were related. I shall use your patch in
my private fork.
On Tuesday, 4 December 2012 01:06:03 UTC+11, Christophe Grand wrote:
This behavior has the same source as CLJ-457.
Hi,
As I was trying to wrap my head around the reducers library[1], I thought
implementing group-by would be a good exercise to gain some insight.
After spending a few hours with it, I'm still pretty much clueless, so hope
to find someone here to help me out:
So if I understood the reducer
Oops - you'd think I'd be able to match braces by now ;-)
I must admit that I don't know how to write this more clearly either
without a large rewrite, so it probably is best to just leave it as it is.
On Sunday, December 2, 2012 11:28:21 PM UTC+1, Andy Fingerhut wrote:
The full sentence is
Monger (http://clojuremongodb.info) is an idiomatic Clojure MongoDB driver
for a more civilized age.
It has batteries included, offers powerful expressive query DSL, strives to
support every MongoDB 2.0+ feature and has sane defaults.
It also has solid documentation.
`1.4.0` is a minor *almost
I think this is a great addition to the ecosystem, thanks!
Right now I'm considering doing a small game, just to give it a try.
2012/12/2 Mikera mike.r.anderson...@gmail.com
Sure - added instructions and uploaded version 0.0.1 to Clojars.
Hopefully that works smoothly, any issues let me
On Dec 2, 2012, at 06:24 , Mikera mike.r.anderson...@gmail.com wrote:
Contributions / comments / suggestions very welcome. API is not yet set in
stone, so I'm very open to ideas on how to make it better.
Since the vast majority of physical applications will use 2D or 3D vectors, did
you
Using clojurescript 3842d3f9e0d68853077117a919e93e169079
Trying to do the simplest case of a clojurescript browser repl:
running clojurescript/script/repl, then
Taken straight from the documentation:
(require '[cljs.repl :as repl])(require '[cljs.repl.browser :as browser]) ;;
require the
I've already tried both ways. Creating the html file with the script tag
with the simple code you showed, and just simply trying to connect directly
with http://localhost:9000/repl. In both cases, the same error message
shows. Note that the error message isn't from my source code, but rather
So what should I do? would using fmap helps?
I have used let initially, but I moved away to make it as close as possible
to my repl code/.
On Sunday, December 2, 2012 8:31:55 PM UTC-5, Sean Corfield wrote:
Part of it is laziness: map is lazy so it doesn't do anything unless you
use the
Don't call your file repl.* this has special meaning - it's the file that's
meant to be loaded into the cross page iframe.
On Monday, December 3, 2012, Brent Millare wrote:
I've already tried both ways. Creating the html file with the script tag
with the simple code you showed, and just simply
The file with the clojurescript and call to connect isn't named repl, its
named view.html. repl is the name of the response from the call (repl/connect
http://localhost:9000/repl;)
On Monday, December 3, 2012 3:29:13 PM UTC-5, David Nolen wrote:
Don't call your file repl.* this has special
It sounds like you are trying to navigate to
http://localhost:9000/replthough right? You should be navigating to
http://localhost:9000/
On Mon, Dec 3, 2012 at 8:51 PM, Brent Millare brent.mill...@gmail.comwrote:
The file with the clojurescript and call to connect isn't named repl, its
named
FWIW, the c.j.jdbc docs have an example of connection pooling:
http://clojure.github.com/java.jdbc/doc/clojure/java/jdbc/ConnectionPooling.html
On Mon, Dec 3, 2012 at 6:03 AM, Matthias Cords schlafbo...@gmail.comwrote:
Hi,
I found database connection pools to be the right thing to use with
I'm wondering if there's something that can be used like update-in, but
with multiple key-lists and values.
Like, for example, taking a list of [x y] coordinates for a 2-dimensional
array, and changing the values at all of those coordinates.
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At the moment, all I am doing is dragging and dropping the html file into
the browser, which contains the compiled clojurescript (js) which looks
like this
view.html
... compiled cljs stuff ...
body
scriptfoo.main();/script
/body
...
Where foo.cljs is:
(ns foo (:require
Hi,
how about
(reduce #(update-in % %2 tf) arr2d list-of-coordinates)
given you 2d array is a vector of vectors and you supply a tf update
function?
Las
2012/12/3 JvJ kfjwhee...@gmail.com
I'm wondering if there's something that can be used like update-in, but
with multiple key-lists and
I've noticed that the + character can be used in namespaces without
seeming to cause any issues, e.g.
(ns app.view.posts+comments)
This also appears to work fine when there is AOT compilation, with the
symbol being munged in the same way a function name would be.
Is it a good idea to
file:// urls don't work anymore due to changes in the Google Closure
Library. You need to point your browser to http://localhost:9000/, by
default it looks for index.html.
David
On Mon, Dec 3, 2012 at 10:05 PM, Brent Millare brent.mill...@gmail.comwrote:
At the moment, all I am doing is
Still getting the same error regardless.
1. creating index.html (with compiled cljs code and call to connect) and
putting in clojurescript directory
2. starting up clojurescript clojure repl with ./script/repl
3. Running the clojurescript repl with:
(require '[cljs.repl :as repl])
(require
OK thanks. I guess that's sufficiently terse. I was just wondering if
there was a single built-in function for it.
On Monday, 3 December 2012 17:37:04 UTC-5, Las wrote:
Hi,
how about
(reduce #(update-in % %2 tf) arr2d list-of-coordinates)
given you 2d array is a vector of vectors and
Have you tried using lein-cljsbuild 0.2.9 plugin without specifying any CLJS
version in the :dependencies?
mimmo
On Dec 4, 2012, at 1:02 AM, Brent Millare brent.mill...@gmail.com wrote:
Still getting the same error regardless.
1. creating index.html (with compiled cljs code and call to
David mentioned in another thread that … the file that's meant to be loaded
into the cross page iframe…
I noticed that before, but it always puzzled me - time to ask the Q.
Could someone please explain why the REPL downloads essentially the same
js-code when it connects as the js-code that
Please create a minimal project that demonstrates the issue for you, then
we can try to run that.
On Tue, Dec 4, 2012 at 12:02 AM, Brent Millare brent.mill...@gmail.comwrote:
Still getting the same error regardless.
1. creating index.html (with compiled cljs code and call to connect) and
Added a uuid-string getter function to obtain a string representation of a
UUID-instance, which makes for easier interop with apps that require such a
uuid-string, like web-app, json, databases (i.e. legacy apps that have not been
made EDN-aware yet ;-) )
(thanks to Robert Stuttaford for the
https://github.com/downloads/bmillare/dj.web.browser/minimal.tar.gz
@Mimmo, I don't use cljsbuild as thats mainly for automation that doesn't
fit my use cases. Instead I am using the github clojurescript docs for this
reference project. Normally, I use my own build tools.
I created a minimal
John Aspden posted an interesting question on Stack Overflow about adding
all of the latest versions of contrib libraries as dependencies in a REPL
session. The question and my response can be found here:
Hi,
may I suggest a different solution? Create a meta project, which just
depends on all the contrib libraries and specify this as a dependency in
your project. In other parts of the world this is called a BOM - a bill
of material.
Kind regards
Meikel
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That was my first thought, and considered also generating a project.clj,
but after thinking about it I decided I didn't want to encourage this type
of behavior beyond REPL experimentation, so I preferred to do it in a way
that focuses on the REPL.
On Tuesday, December 4, 2012 2:24:38 AM UTC-5,
2012/12/4 rob r.p.l...@gmail.com:
That was my first thought, and considered also generating a project.clj, but
after thinking about it I decided I didn't want to encourage this type of
behavior beyond REPL experimentation, so I preferred to do it in a way that
focuses on the REPL.
Hi,
Really
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