This article on RPython and PyPy is pretty good, helped me understand
what the fuss is about:
http://tratt.net/laurie/tech_articles/articles/fast_enough_vms_in_fast_enough_time
Pretty cool stuff.
Will clojure-py allow us to write our own VM's using clojure?
On Mon, Nov 28, 2011 at 9:23 AM, Ti
On 08/02/2012 03:05, Asim Jalis wrote:
I frequently find myself passing around maps that are basically structs.
I use this macro to destructure the fields into let variables.
; Macro.
(defmacro def-fields [struct-name & fields]
(let [field-symbol-vector (->> fields (map name) (map symbol) ve
Leonardo,
Thanks for the support, if I am ever in Sydney I'll come and visit.
Cheers,
James
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Hi all,
Good to see some interest!
I have now started a meetup page http://www.meetup.com/clj-melb/
Will organise more once we have some members.
We have a place we should be able to meet in the CBD.
Cheers,
James Sofra
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> Will clojure-py allow us to write our own VM's using clojure?
TL/DR: yes
Long version: RPython simply is a restriction on what bytecodes can do
in a given set of branches in a python program. So the cool thing
about RPython is, you define a main(argv[]) function, and then point
the PyPy transla
Following on from my question this afternoon on foreign
libs (https://groups.google.com/d/topic/clojure/kqtCC_stbEU/discussion)
alpha
Wraps a no gclosure compliant js file.
Injects a script tag directly into your page whenever you require and use
the wrapper lib
No need to include js files in y
apologies
the lib is called wrap-js
[wrap-js "0.0.1"]
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updated to 0.0.2 - supporting urls as well as local files.
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Hello,
I am wondering if there is there anybody willing to take part in this
year's GSoC as a mentor? I would be happy to contribute this summer's
time to hacking Clojure and there are probably more students that
would.
Best regards,
Alexander
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> clojure.reflect/reflect gets you the same information as a big 'ole data
> structure. You can pprint it for readability.
>
> The only thing that was not ported was the formatted text output, which would
> be easy enough to reproduce based on `reflect`.
In particular, reflect + clojure.pprint/
Alexander,
A discussion is currently ongoing in the Clojure Dev mailing list.
We are still waiting for someone from Clojure/core to chime in.
Regards,
BG
On Thu, Feb 9, 2012 at 8:53 PM, Alexander Yakushev
wrote:
> Hello,
>
> I am wondering if there is there anybody willing to take part in this
I'm not following your line of reasoning -
http://lukevanderhart.com/2011/09/30/using-javascript-and-clojurescript.html,
shows that :foreign-libs and advanced compilation work fine together.
David
On Wed, Feb 8, 2012 at 9:22 PM, Dave Sann wrote:
> I think that the use of :foreign-libs to includ
On Wed, Feb 8, 2012 at 10:16 PM, George Jahad
wrote:
> If you use Emacs and Swank-clojure, it is much
> easier to use swank-cdt, as your UI:
>
> http://georgejahad.com/clojure/swank-cdt.html
I just want to chime in and say swank-clojure 1.4.0 has made this
process so much simpler and it really is
Sorry for what I guess is a pretty basic question. I've written for
practice a simple function that takes a sequence of numbers and returns
a map with the odd and even ones. No big deal:
(defn separate-nums [coll]
(hash-map :even (filter even? coll) :odd (filter odd? coll)))
But I th
filter is lazy so it won't actually do the work unless the values are needed.
To get a reasonable time, you need to use the result for some computation. Try
something like this:
(defn sum-all [m] (reduce + (apply map + (vals m
(time (sum-all (separate-nums (range 1
On Feb 9, 201
ok, thanks so much! :)
On Wed, Feb 8, 2012 at 1:58 PM, Phil Hagelberg wrote:
> Ambert Ho writes:
>
> > So I bought a couple of books on Clojure and one of them tells me to
> > use Lein, the other tells me to download from github.
> >
> > - in lein repl, (clojure-version) gives me '1.2'
> > - in
It seems to me that a generational collector would have problems
collecting Clojure's garbage production pattern. Luckily, the oracle/
hotspot jvm has a continuous collecting compacting GC called G1. That
should mitigate oldspace collection latency spikes. Enable with -XX:
+UnlockExperimentalVMOpti
It seems like the missing word from my vocabulary was "conveyance".
I've spent a fair bit of time toying with Clojure, ClojureScript, and their
respective implementations. It seems like Clojure 1.3 augmented futures and
agents with binding-conveyor-fn, clojure.lang.Var/getThreadBindingFrame,
an
The problem with the protocols approach is that it leads to an explosion in
the number of explicitly defined records. His example was only with labels,
but I can imagine he might have borders and any number of other decorations
on the widgets, in which case he would need something like
(defreco
It works! Thank you so much for looking into this! I really appreciate what
you have done.
I went through the rest of the documentation and found three other minor
misnomers.
One, if you set a breakpoint on a function defined in the repl, you'll have
problems. As long as anything you set a breakp
I agree. I'm a Vim user currently but with Lisp/Clojure, Emacs is the way
to go.
On Thu, Feb 9, 2012 at 11:18 AM, Sean Corfield wrote:
> On Wed, Feb 8, 2012 at 10:16 PM, George Jahad
> wrote:
> > If you use Emacs and Swank-clojure, it is much
> > easier to use swank-cdt, as your UI:
> >
> > http
There's so much documentation about how to set up emacs with clojure but
not a lot of sources saying which documentation works.
Should I trust the readme for swank-clojure, the dev.clojure.org site, the
comments on dev.clojure.org, the blog post at technomancy.us/149 or the
radically simplified se
Maybe - but I don't think so.
I tested with jquery this morning - to try and re-confirm - details
appended at the end of this post
I think that this falls into the:
"If the library you want to use simply doesn't work with advanced
compilation" at the bottom of the link you added
My unders
Ah yes. What you want is something like "extern-lib" (not saying it will be
called that) - some way for you to include JS that won't get submitted to
advanced compilation yet which has externs to define.
Please open a ticket in JIRA for this.
David
On Thu, Feb 9, 2012 at 6:24 PM, Dave Sann wrot
yes exactly, but I would like to be able to package js libs as jars - not
specify them directly to the build in the cljsc opts.
I have done half of this, here:
https://github.com/davesann/wrap-js
see the following examples:
https://github.com/davesann/cljs-bcrypt-wrapper
https://github.com/dav
created:
http://dev.clojure.org/jira/browse/CLJS-147
with pointer to discussion here.
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Yes, that's what I thought. Does anyone have any experience with Clojure's
garbage production pattern (esp. due to the persistent collection) and it's
behavior with the older GCs as well as with G1?
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This stuff is amazing.
The big question for me is how this relates to macros. This sounds
like a metaprogramming ability, where instead of changing the source
code, you are changing the implementation layer.
Here is a concrete use case I'm interested in: optimizing algorithms.
I have some set of
Sean Neilan writes:
> Should I trust the readme for swank-clojure, the dev.clojure.org
> site, the comments on dev.clojure.org, the blog post at
> technomancy.us/149 or the radically simplified setup here?
The swank-clojure readme should be the most reliable. You may find a
better explanation o
Another question: can multiple VMs live inside the same process
boundary? So that code in VM1 (clojure-py) can call code in VM2 (pypy)
with no overhead.
There is also a third case, intermediate between optimizing vms for
algorithms and optimizing for full blown languages.
Think about implementing
On Thu, Feb 9, 2012 at 7:06 PM, Phil Hagelberg wrote:
> Sean Neilan writes:
>
> > Should I trust the readme for swank-clojure, the dev.clojure.org
> > site, the comments on dev.clojure.org, the blog post at
> > technomancy.us/149 or the radically simplified setup here?
>
> The swank-clojure read
Sean Neilan writes:
> It's on the github page at the top.
Forgive me if I'm slow, but I can't find it. Can you be more specific?
The canonical page for swank-clojure is
https://github.com/technomancy/swank-clojure
Are you talking about instructions for using swank-clojure.el or
something else?
I think the suggestions thus far are not ideal. Both protocols and
multimethods provide a way to define a default case. The default case gives
you opportunity to adopt a delegation / component based design.
(defprotocol IFlightOrgan
(flight-organ [this]))
(defprotocol IFlight
(can-fly? [this]
On Thu, Feb 9, 2012 at 4:30 PM, pron wrote:
> Yes, that's what I thought. Does anyone have any experience with Clojure's
> garbage production pattern (esp. due to the persistent collection) and it's
> behavior with the older GCs as well as with G1?
These are the options we run with in production
I have what I think is a really nice method for using jquery and other js
libs and their dependencies sanely in clojurescript.
(it will be even better if/when http://dev.clojure.org/jira/browse/CLJS-147 is
resolved)
by using wrap-js (https://github.com/davesann/wrap-js) you can have
clojuresc
one note that just came to mind.
I can see a potential issue arising with the versions of wrapped js libs
and compatibility - particularly for things like plugins.
I haven't done this yet. But it I think that it may be important to be be
explicit about the version of the js lib you are wrapping
ok rules for wrapping.
1. include the version of the wrapped js lib in the name of the project/jar
- so that users can choose which version they want.
2. use a generic namespace to inline the js lib - e.g jquery.inline - not
jquery-1-7.inline (allows you to switch versions)
3. do not include an
updated to follow my own rules and by way of example:
* [cljs-query-1-7-1 "0.0.1"] for jquery version 1.7.1
* [cljs-jquery-sparkline-1-6 "0.0.1"] for sparkline version 1.6
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