Cheers Alex!
See below for the results of yesterday's run of my benchmark suite for
the basic operations. (I'll post some benchmark results for the new
functions in a separate message sometime soon.)
In general, it's fair to expect (persistent) assoc/dissoc to be slower
with data.avl maps, since
Here is an example from our ajax-login form. After reading Sam's excellent
writeup it should be understandable.
https://gist.github.com/ebaxt/11244031
kl. 00:28:45 UTC+2 torsdag 24. april 2014 skrev Ivan Schuetz følgende:
Hi,
I'm trying to get a simple use case running - send a login
FWIW, internally we use a combination of schema and religious use of letk
or safe-get and safe-get-in (from prismatic/plumbing) to pull things out of
object-like maps, which together with reasonable test coverage seem to
catch almost all of the keyword typos before they become bugs. The other
Thanks!
R.
On 23 April 2014 15:05, Andrey Antukh n...@niwi.be wrote:
Hi Rick
As far as I know, m-lift and similar functions should be used in monad
context (using with-monad macro).
Greetings.
Andrey
2014-04-23 14:41 GMT+02:00 Rick Moynihan rick.moyni...@gmail.com:
Hi all,
I
Simple question, sorry if this is jotted down somewhere and I didn't read
it :/
Regarding Datomic Pro Starter, is the limitation of 1 transactor+two peers
per registered user, or per app? I would love to use datomic in my
projects, but when free is recommended for dev and not prod, and I can
Coincidentally, I was wondering the same today and I asked the same
question in different wording on the Datomic mailinglist
https://groups.google.com/forum/#!topic/datomic/gvP0ecJghd8
On Thu, Apr 24, 2014 at 1:42 PM, Robin Heggelund Hansen
skinney...@gmail.com wrote:
Simple question,
Ahh, I didn't know there was a Datomic mailing list :P Will be watching
your question then :)
kl. 13:59:38 UTC+2 torsdag 24. april 2014 skrev Jeroen van Dijk følgende:
Coincidentally, I was wondering the same today and I asked the same
question in different wording on the Datomic
I'm interested in exploring the use of the types provided by core.typed to
guide function behavior at runtime. Specifically, I'd like to wrap existing
functions such that the resulting functions behave in different ways
depending on the type signatures of each original function.
I'm imagining
Ben Wolfson wolf...@gmail.com writes:
The idea that you can't cite websites is a conceit that ensures that
academics continue to spend a 1000s of pounds a paper on puplication
costs, when you can achieve much the same with a blog, some metadata and
archive.org.
Ah, that was good, I feel
Hi Adrian,
You don't have far to look ... Engine Yard now supports Java, and by
extension, Clojure. If you can package up your Clojure app into a WAR file
(using Leiningen's 'lein ring uberwar', for example) you can deploy it onto
a Jetty or Tomcat server in an Engine Yard Java environment.
hi everyone:
I use Clojure to solve SICP 2.22
http://www.billthelizard.com/2011/01/sicp-221-223-mapping-over-lists.html
.
The problem is to rewrite a map fn in a iterative way，here it want to get
the square of each element in a list
Method 1:
(defn square-list [items]
(defn iter [things
Conj is polymorphic on its first argument. If you pass it a vector, it'll
add to the back, if a list, the front. The collection is responsible for
deciding the most efficient way to add an element.
Cons always adds to the front, creating a linked-list node pointing to the
rest. Also, cons takes
Oh,Thank you for answer.
But if I just want to insert a element to list,and meantime want to insert
in the back.How should I do?
Another question: why clojure need both cons and conj? In mit-lisp cons
just do all things.
On Thursday, April 24, 2014 11:12:49 PM UTC+8, Gary Trakhman wrote:
Conj
MIT-lisp is more for teaching than industrial use..
We also have hash-maps, vectors, sets, queues, conj works with all of them,
leaving the details up to the collection.
Cons always adds to the front. Conj only adds to the back for certain
collections (vector, queue).
You could work around it
Well, maybe I shouldn't bash MIT-scheme unintentionally :-). I bet some
people use it for serious stuff, and I have no bad experiences with it.
On Thu, Apr 24, 2014 at 11:33 AM, Gary Trakhman gary.trakh...@gmail.comwrote:
MIT-lisp is more for teaching than industrial use..
We also have
Well,I understand you.
list only support front insert since it only takes O(1).
If insert in the back,it would require O(n) time.
Maybe clojure has its own reasons for having both cons and conj.
Thank again for telling me their differences.
On Thursday, April 24, 2014 11:36:13 PM UTC+8, Gary
Dear Clojure group,
I am running into an interesting issue with clojure.core.memoize.
I created a simple project depending on clojure.core.memoize.
(defproject test-memoize 0.1.0-SNAPSHOT
:description FIXME: write description
:url http://example.com/FIXME;
:license {:name Eclipse Public
I have the same error above clojure.lang.PersistentVector cannot be cast
to java.lang.String . but when i use ByteArrayInputStream i have
clojure.lang.PersistentList
cannot be cast to java.lang.String . don't know how to fix it .I want to
retrieve data between 2 timestamp values . i have some
Another option is to explore concat
On Thu, Apr 24, 2014 at 8:46 AM, Jiacai Liu jiacai2...@gmail.com wrote:
Well,I understand you.
list only support front insert since it only takes O(1).
If insert in the back,it would require O(n) time.
Maybe clojure has its own reasons for having both
Om 0.6.1 significantly changes how component local state works - we now
rely on React's forceUpdate to update components that use local state. This
is a significant change so I would like people test this out on their
existing code bases as soon as possible.
The immediate benefit is that
Lack of (easy) access to local state (=addressability) is the single
biggest problem I'm having with om as it brings quite a lot of
unnecessary complexity. This was the reason of (strange) questions I was
posting earlier. Thank you for tackling this problem.
On 24.04.2014 19:03, David Nolen
Hi everyone,
I am working on a web app that allows code and namespace creation at
runtime, but I get an error when trying to create a namespace from a web
process:
java.lang.IllegalStateException: Can't change/establish root binding of:
*ns* with set
This works when doing in a repl or single
Have you tried the aptly named
create-nshttp://clojuredocs.org/clojure_core/clojure.core/create-ns
?
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Note that posts from new members are
This is, I think, as much of a Java question as a Clojure question
(I'm learning both at the same time). I'm writing a small desktop
application, and I need to paint a few images in one part of the
window (contained in PNGs). I'm looking through AWT/Swing/Graphics2D
documentation, but I am a
All looks good here - a drop-in replacement. :-)
Independently addressable components will be a very nice enhancement for
us. I look forward to it.
Cheers,
Kris
On Thursday, 24 April 2014 18:03:37 UTC+1, David Nolen wrote:
Om 0.6.1 significantly changes how component local state works - we
Nice... I like it. But, as you say, probably not for beginners.
Alan
On Wednesday, April 23, 2014 5:34:51 AM UTC-7, Evan Rowley wrote:
I have one more suggestion that a friend of mine made to me. I was able to
run it but not actually use it due to a firewall issue. There is also a
I haven't tried anything like this.
The most obvious pitfall is core.typed currently loads lazily and collects
type annotations only after check-ns.
There's a bunch of tools for manipulating types in the checker.
Thanks,
Ambrose
On Thu, Apr 24, 2014 at 11:18 PM, James MacAulay
The best way to use Swing from Clojure is the seesaw
library.https://github.com/daveray/seesawIt managed to clojurize Swing
remarkably well, and is trying it's hardest
to get all glaring inconsistencies out of swing use.
Simple example to set a background for a frame:
(frame
:title Hello
To what extent are the issues you are addressing with Om and state/cursors
related to ORM-like problems? In a previous post:
https://groups.google.com/forum/#!topic/clojurescript/88u7kcomnUA
Here you mentioned that in Om you have a database-like system + time
model. That made me think about
I do think there's a legitimate role for routine use of accessors in some
contexts, btw. I seem to have been traumatized by my experience with them,
however. :-)
On Thursday, April 24, 2014 12:48:04 AM UTC-5, Mars0i wrote:
One of the things I hated about Java when I did Java programming for
I can't offer any advice on how to do this, but I am genuinely curious as
to why one would need to create a new namespace as part of a web server.
Care to provide an example? :)
On Thursday, 24 April 2014 18:44:02 UTC+1, Sarkis Karayan wrote:
Hi everyone,
I am working on a web app that
Thanks for the pointers, Ambrose, and thanks for core.typed!
James
On Thursday, 24 April 2014 17:24:21 UTC-4, Ambrose Bonnaire-Sergeant wrote:
I haven't tried anything like this.
The most obvious pitfall is core.typed currently loads lazily and collects
type annotations only after check-ns.
Thank you, I was doing everything but the obvious. :-)
On Thursday, April 24, 2014 11:26:39 AM UTC-7, A. Webb wrote:
Have you tried the aptly named
create-nshttp://clojuredocs.org/clojure_core/clojure.core/create-ns
?
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My product integrates the code editor into the browser and allows live
updates to the runtime. :-D
On Thursday, April 24, 2014 11:27:30 AM UTC-7, Shane Kilkelly wrote:
I can't offer any advice on how to do this, but I am genuinely curious as
to why one would need to create a new namespace as
thank Guru,the solution of my problem may not difficult,I first didn't
understand the usage of cons and conj,now I can grasp them deeper than
before.
Clojure is so flexible that it both have cons and conj for different
situation,which accounts for its advantages over mit-lisp.
On Friday,
This message is aimed at people that want to *hold* office hours primarily,
but of course others can chime in with
opinions, suggestions, cheerleading, etc.
I recently held office hours where I chatted / pair programmed with less
experienced clojure programmers (some
were in fact more
Hi, all. This test run of office hours was fun, and I hope to do it again
soon. Unfortunately, as I said above, for the next several weeks at least
I will be in transit, but I hope to have more office hours in the future.
I've started a new thread on the list, trying to drum up community
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