Ryan Ingram wrote:
Apfelmus, I hope you don't abandon your efforts, at least for the selfish
reason that I enjoy reading your blog entries about trying to implement it!
:D My reasoning was that a temporary demand-driven implementation would
allow me to release the library sooner; I want peopl
On Tue, Apr 26, 2011 at 4:56 PM, Andy Stewart wrote:
> Ivan Lazar Miljenovic writes:
>
>> On 26 April 2011 04:57, Michael Snoyman wrote:
>>> Hi all,
>>>
>>> I'm experimenting with using the plugins package for yesod devel
>>> server. The basic approach is to use cabal for building the object
>>>
On 27/04/2011, at 3:04 AM, Rogan Creswick wrote:
> At the moment, cabal-dev ghci just uses the -package-conf and
> -no-user-package-conf flags to restrict ghci to the sandboxed and
> global package dbs.
>
> It's difficult to do more without parsing the content of the project's
> cabal file, and t
I'm currently reading Real World Haskell (
http://book.realworldhaskell.org/read/), and it's an excellent book. It goes
into detail on quite a few interesting and practical uses of the language.
Also, in the spirit of this discussion, is there a resource that attempts to
compare libraries for comm
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On 4/26/11 09:15 , Daniel Fischer wrote:
> On Tuesday 26 April 2011 02:00:32, jutaro wrote:
>> Well, it is a bit more intricate to invert the sides. After
>> * swapping LeftP and RightP in Edit Prefs -> Initial Pane positions
>> * Close all panes and p
On Tue, Apr 26, 2011 at 5:48 PM, Christopher Svanefalk
wrote:
> I am currently reading through Peyton-Jones "Haskell: The Craft of
> Functional Programming" (2nd ed.), as well as a great paper published by
> one of my professors
> (http://www.cse.chalmers.se/~rjmh/Papers/whyfp.html). However, what
On 04/26/2011 10:17 PM, Charles-Pierre Astolfi wrote:
Hi -cafe,
Did anybody managed to install haskellnet from hackage with ghc7?
I tried on windows and mac and I get the following type error:
[ 4 of 11] Compiling Network.HaskellNet.SMTP (
Network/HaskellNet/SMTP.hs, dist/build/Network/Haskell
Hi! I'm using qtHaskell and I'm trying to create a
QGraphicsPolygonItem object. From what I see I need to create a
QPolygonF item that I can supply to the constructor, but to populate
the QPolygonF I need to use methods of the QVector class that
QPolygonF inherits and I can't figure out how to do t
[I originally posted this over in haskell-beginners. However, since this
list has a lot more traffic, and I am not sure how many people read both
lists, I thought I would post here as well. I apologize for the
doublepost! Just want to make sure I can get some replies from the great
people here who
Hi -cafe,
Did anybody managed to install haskellnet from hackage with ghc7?
I tried on windows and mac and I get the following type error:
[ 4 of 11] Compiling Network.HaskellNet.SMTP (
Network/HaskellNet/SMTP.hs, dist/build/Network/HaskellNet/SMTP.o )
Network/HaskellNet/SMTP.hs:269:25:
Could
Thanks for the tip. GHC 7.0.3 does seem to fix a couple bugs, and maybe even
run faster than GHC 7.0.2.
But it doesn't solve the problem.
$ ghc --version
The Glorious Glasgow Haskell Compilation System, version 7.0.3
$ cabal --version
cabal-install version 0.10.2
using version 1.10.1.0 of the Cab
On Mon, 2011-04-25 at 15:47 +0900, Conrad Parker wrote:
> On 23 April 2011 19:29, Maciej Piechotka wrote:
> > Iteratee-compress provides compressing and decompressing enumerators
> > including flushing (using John Lato's implementation). Currently only
> > gzip and bzip is provided but LZMA is pla
> > 2. I have no idea how to make Darcs do the thing with "hard links" (is that
> > even supported under Windows?) I just copy the whole folder using the normal
> > OS file tools.
>
> darcs get path/to/other/local/repo
>
> > Either way, you lose the ability to see how branches are related to each
Apfelmus, I hope you don't abandon your efforts, at least for the selfish
reason that I enjoy reading your blog entries about trying to implement it!
I was looking at your last entry and trying to understand if/how you solve
the order-dependency problem for events. In particular:
source events e
On Tue, Apr 26, 2011 at 6:32 PM, John Millikin wrote:
> On Tuesday, April 26, 2011 7:19:25 AM UTC-7, John Lato wrote:
>
>> I'd be interested to see the results of a shootout between iteratee and
>> enumerator. I would expect them to be basically equivalent most of the
>> time, with maybe two or
Yes! This is a great idea.
I'm a Haskell enthusiast in St. Louis, MO, USA and have given numerous
talks on Haskell locally at Lambda Lounge[1], a catch-all groups for
functional programmers, and the St.Louis Perl Mongers[2].
I would love to have a dedicated Haskell User Group, but unfortunately
t
Hi all,
We may be coming to a time where we start to see Haskell User Groups or
Functional Programming clubs popping up all the over the place. Maybe
it's a good time to put our heads together and figure out what we can do
to nurture these groups, to keep them going strong rather than fizzling
ou
Hot on the heels of the last release, cereal-0.3.3.0 [1] adds support
for parsing and rendering lazy ByteStrings. Most running functions in
Data.Serialize.Get and Data.Serialize.Put now have lazy analogues, and
Data.Serialize has gained encodeLazy and decodeLazy.
This new functionality was made p
On Tuesday, April 26, 2011 7:19:25 AM UTC-7, John Lato wrote:
> I'd be interested to see the results of a shootout between iteratee and
> enumerator. I would expect them to be basically equivalent most of the
> time, with maybe two or three operations with a small (but consistent)
> difference
On Tue, Apr 26, 2011 at 2:10 AM, Gracjan Polak wrote:
>
> I kind of expected 'cabal-dev ghci' to do this for me.
At the moment, cabal-dev ghci just uses the -package-conf and
-no-user-package-conf flags to restrict ghci to the sandboxed and
global package dbs.
It's difficult to do more without p
On Tue, Apr 26, 2011 at 9:16 AM, Daniel Kahlenberg
wrote:
>
> hold on I'd like to have the genArray call generating distinctive
> results in one IO execution
The problem you're seeing is due to the fact that you're not taking the
final RNG state from the first execution of your code and passing
Oh thanks,
hold on I'd like to have the genArray call generating distinctive
results in one IO execution (meaning when
I load the .lhs file in ghci):
Prelude> genArray
[ThingK True,Thing1 False]
and when calling immediately again e. g.
Prelude> genArray
[Thing1 True]
By now I only get one and
On Tue, 2011-04-26 at 16:34 +0200, Daniel Fischer wrote:
> On Tuesday 26 April 2011 16:04:55, Nick Bowler wrote:
> > On 2011-04-26 15:51 +0200, Daniel Fischer wrote:
> > > On Tuesday 26 April 2011 15:35:42, Ivan Lazar Miljenovic wrote:
> > > > How do you "see" how git branches are related to each o
On Tue, Apr 26, 2011 at 3:04 AM, Daniel Kahlenberg <
d.kahlenb...@googlemail.com> wrote:
> Thought getRandom function would be the best place to inject my unGen
> function
> call, but cannot get it to type-check:
>
You haven't described what it is you're actually trying to do, and I'm
afraid your
hello alberto,
i've had some funny issues with using the cmap function, and i'd like
understand what i'm doing wrong
namely it wont correctly instantiate for vectors or matrices and I don't
understand why.
basically my question is:
what is the correct type for the hmatrix expression
mapMat f =
On Tue, Apr 26, 2011 at 3:16 PM, Andrew Coppin
wrote:
> Presumably David thought the same. I won't deny that there is a certain
> simplifying elegance to it.
>
>>> It does mean that you duplicate information. You have [nearly] the same
>>> set of patches stored twice,
>>
>> No, if on the same mach
On Tuesday 26 April 2011 16:04:55, Nick Bowler wrote:
> On 2011-04-26 15:51 +0200, Daniel Fischer wrote:
> > On Tuesday 26 April 2011 15:35:42, Ivan Lazar Miljenovic wrote:
> > > How do you "see" how git branches are related to each other?
> >
> > To some extent, you can see such a relation in git
Joining slightly late...
> From: John Millikin
>
> John Lato's "iteratee" package is based on IterateeMCPS.hs[1]. I used
> IterateeM.hs for "enumerator", because when I benchmarked them the non-CPS
> version was something like 10% faster on most operations.
>
Based on tests I did before iterate
On 2011-04-26 15:51 +0200, Daniel Fischer wrote:
> On Tuesday 26 April 2011 15:35:42, Ivan Lazar Miljenovic wrote:
> > How do you "see" how git branches are related to each other?
>
> To some extent, you can see such a relation in gitk. For mercurial, hg glog
> also shows a bit. I suppose there's
Ivan Lazar Miljenovic writes:
> On 26 April 2011 04:57, Michael Snoyman wrote:
>> Hi all,
>>
>> I'm experimenting with using the plugins package for yesod devel
>> server. The basic approach is to use cabal for building the object
>> files, and then load them with plugins. I can get everything t
On Tuesday 26 April 2011 15:35:42, Ivan Lazar Miljenovic wrote:
> How do you "see" how git branches are related to each other?
To some extent, you can see such a relation in gitk. For mercurial, hg glog
also shows a bit. I suppose there's also something to visualise branches in
bazaar, but I've
wren ng thornton wrote:
> But the greatest thing about Maybe is that you don't *have* to write
> code in monadic style. Because Maybe makes explicit the null-pointer
> shenanigans in other languages, you can simply unwrap the Maybe and
> pass around the raw value instead of letting Nothing permea
On Tue, Apr 26, 2011 at 6:35 AM, Ivan Lazar Miljenovic <
ivan.miljeno...@gmail.com> wrote:
> On 26 April 2011 13:16, Andrew Coppin wrote:
> >
> > 2. I have no idea how to make Darcs do the thing with "hard links" (is
> that
> > even supported under Windows?) I just copy the whole folder using the
On 26 Apr 2011, at 13:31, Eric Stansifer wrote:
>>> Let 'c2h' convert CStrings to Haskell Strings, and 'h2c' convert
>>> Haskell Strings to CStrings. (If I understand correctly, c2h . h2c
>>> === id, but h2c . c2h is not the identity on all inputs;
>>
>> That is correct. CStrings are 8-bits, a
On 26 April 2011 13:16, Andrew Coppin wrote:
>
> 2. I have no idea how to make Darcs do the thing with "hard links" (is that
> even supported under Windows?) I just copy the whole folder using the normal
> OS file tools.
darcs get path/to/other/local/repo
> Either way, you lose the ability to se
On Tuesday 26 April 2011 02:00:32, jutaro wrote:
> Well, it is a bit more intricate to invert the sides. After
> * swapping LeftP and RightP in Edit Prefs -> Initial Pane positions
> * Close all panes and pane groups. (You may leave an editor window open,
> so that you better see what happens in th
This is because of a deliberate choice that was made by David Roundy.
In darcs, you never have multiple branches within a single darcs
repository directory tree.
Yes, this seems clear. I'm just wondering whether or not it's the best design
choice.
It seems to me to be a considerable insight.
On Tue, Apr 26, 2011 at 7:27 AM, Erik de Castro Lopo
wrote:
> Hi all,
>
> I'm using Wai and http-enumerator to build a http proxy. The core of
> the code looks like this:
>
> import qualified Network.HTTP.Enumerator as HE
> import qualified Network.Wai as Wai
>
> serve
>> Let 'c2h' convert CStrings to Haskell Strings, and 'h2c' convert
>> Haskell Strings to CStrings. (If I understand correctly, c2h . h2c
>> === id, but h2c . c2h is not the identity on all inputs;
>
> That is correct. CStrings are 8-bits, and Haskell Strings are 32-bits.
> Converting from Hask
Hi all,
I'm using Wai and http-enumerator to build a http proxy. The core of
the code looks like this:
import qualified Network.HTTP.Enumerator as HE
import qualified Network.Wai as Wai
serveRequest :: forall (m :: * -> *).
(MonadControlIO m, Failure
On 26 April 2011 04:57, Michael Snoyman wrote:
> Hi all,
>
> I'm experimenting with using the plugins package for yesod devel
> server. The basic approach is to use cabal for building the object
> files, and then load them with plugins. I can get everything to work
> when I compile with "ghc --mak
On 25 Apr 2011, at 11:13, Andrew Coppin wrote:
> On 24/04/2011 06:33 PM, Jason Dagit wrote:
>>
>> This is because of a deliberate choice that was made by David Roundy.
>> In darcs, you never have multiple branches within a single darcs
>> repository directory tree.
>
> Yes, this seems clear. I'
On 25 Apr 2011, at 08:16, Eric Stansifer wrote:
> Let 'c2h' convert CStrings to Haskell Strings, and 'h2c' convert
> Haskell Strings to CStrings. (If I understand correctly, c2h . h2c
> === id, but h2c . c2h is not the identity on all inputs;
That is correct. CStrings are 8-bits, and Haskell S
On Tue, Apr 26, 2011 at 3:22 AM, Emil Axelsson wrote:
> Hello!
>
> I've had some of the usual problems with packages depending on multiple
> versions of another package. It seems the root of the hole problem was that
> I once attempted to run
>
> cabal install cabal-install
>
> This brought in a
Hello!
I've had some of the usual problems with packages depending on multiple
versions of another package. It seems the root of the hole problem was
that I once attempted to run
cabal install cabal-install
This brought in a number of older packages (Cabal-1.8.0.6,
containers-0.3.0.0, dir
Maybe this is a beginners question... But here my problems description:
> import Random
> import Control.Monad
> import qualified Control.Monad.State as S
> import Test.QuickCheck.Gen
> import Test.QuickCheck.Arbitrary
Each thing can have one of three types:
> data Ontology = Thing1 Bool
>
Henning Thielemann henning-thielemann.de> writes:
> You can manually select packages for GHCi with '-package' option.
> However I do not know a way to automatically syncronise this with the
> dependencies from the Cabal file.
>
I kind of expected 'cabal-dev ghci' to do this for me.
Thanks for h
On Tue, Apr 26, 2011 at 1:38 AM, Andrew Pennebaker <
andrew.penneba...@gmail.com> wrote:
> $ system_profiler SPSoftwareDataType | grep "System Version"
> System Version: Mac OS X 10.6.7 (10J869)
> $ ghc --version
> The Glorious Glasgow Haskell Compilation System, version 7.0.2
> $ cabal --ve
$ system_profiler SPSoftwareDataType | grep "System Version"
System Version: Mac OS X 10.6.7 (10J869)
$ ghc --version
The Glorious Glasgow Haskell Compilation System, version 7.0.2
$ cabal --version
cabal-install version 0.10.2
using version 1.10.1.0 of the Cabal library
$ cabal install hipmu
Do you have a question for the group or something you want to discuss?
On Mon, Apr 25, 2011 at 8:50 PM, wrote:
> -- Extension for "Pearls of Functional Algorithm Design" by Richard Bird,
> -- 2010, page 25 #Haskell
>
> -- This version assumes 3 disjoint ordered sets represented as lists.
> -- So
Edward Amsden wrote:
As far as I can tell, with classic FRP implementations (those which
use behaviors as a first-class abstraction), the only way to create a
behavior or
event based on some external input (for instance keypresses or
microphone input) is to do something with unsafePerformIO or
un
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