There's colourlovers.com as well
On Apr 6, 2010, at 12:41 PM, Thomas Schilling
nomin...@googlemail.com wrote:
Well, I used http://www.colorschemedesigner.com/
On 6 April 2010 16:20, Daniel Peebles pumpkin...@gmail.com wrote:
I'm definitely not a design/color person, but has anyone
The Wisconsin study, which was done in the 1980s and then redone last
year is the primary source for that, and it presents data that there
is no real difference between women and men in math ability. The only
*statistically* significant (bold because significant is a technical
term, not a term
IIRC, there has been woirk done by Manuel and his team. I'm sure
he'll chime in on that. One thing though, is that CUDA is being
supplanted by OpenCL in the next few years, and OpenCL can handle data
parallelism on multicore CPUs as well as GPUs with the same code.
It's a little more flexible
brad.lar...@gmail.com wrote:
On Wed, Feb 3, 2010 at 12:34 PM, Jeff Heard j...@renci.org wrote:
[...] One thing though, is that CUDA is being
supplanted by OpenCL in the next few years, and OpenCL can handle data
parallelism on multicore CPUs as well as GPUs with the same code.
It's a little more
Indeed, it was not updated for the 6.10 exception handling. I'll
update in a few days. In the meantime, the file operations module is
the culprit. It is a top-level module, so if you aren't using it, you
could delete it without consequences. Just delete it and delete its
depenency from the
I second the request for a few examples. This looks absolutely
perfect for a lot of things, but it's a different way of approaching
accelerated graphics than people are used to.
-- jeff
On Sun, Oct 4, 2009 at 4:22 PM, Felipe Lessa felipe.le...@gmail.com wrote:
I've read the documentation and
Ah, but it takes care of my performance problems, so many thanks from
the lurker :-)
-- Jeff
On Wed, Sep 30, 2009 at 11:37 PM, wren ng thornton w...@freegeek.org wrote:
wren ng thornton wrote:
I guess one could make rules for that, but this tickets makes me wander
if
that really works:
I know, but I'm not the package maintainer... I didn't mean it
couldn't be installed, just that it didn't compile out of the box
On Sat, Sep 12, 2009 at 6:19 AM, Don Stewart d...@galois.com wrote:
jefferson.r.heard:
lhs2TeX does not compile with the latest version of base. complaints
about
lhs2TeX does not compile with the latest version of base. complaints
about Control.Exception abound
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Not really. Best thing I can think to do is use the X11 library to
pull the pixels under your window then draw them as a surface on the
drawingarea, then draw your rotated image on top of that. You have to
have a window, and Gtk windows do not have an alpha. You'll want it
to be undecorated,
I always thought that he who compares floating point numbers for
equality was acting in tangent of reason...
-- Jeff
On Sat, Aug 22, 2009 at 4:02 AM, Mark Wottonmwot...@gmail.com wrote:
he who compares floating point numbers for equality is in a state of sin.
mark
On 22/08/2009, at 5:00 AM,
You could use Cairo. Load the image to a surface, then rotate the
surface 10 degrees and paint it.
Alternately, in Hieroglyph:
renderToPNG w h image.png $ rotate 10 image{ filename='whatever.png' }
On Mon, Aug 24, 2009 at 3:57 PM, hh._h._...@hotmail.com wrote:
Hello,
I already studied the
ahh, you want to paint against the desktop, then, yes? That requires
compositing, and I'm not sure there's a way to do that with Gtk
directly. Probably easier with X and OpenGL. Needs more of a Gnome
expert than me.
On Mon, Aug 24, 2009 at 6:34 PM, hh._h._...@hotmail.com wrote:
Hello,
You
There was a missing include in the cabal file. fixed...
On Mon, Aug 17, 2009 at 7:49 PM, Jeff Heardjefferson.r.he...@gmail.com wrote:
All, I've released a raw binding to the OpenCL platform on Hackage.
The main differences between it and the C bindings are that constants
have been replaced by
All, I've released a raw binding to the OpenCL platform on Hackage.
The main differences between it and the C bindings are that constants
have been replaced by newtypes for type safety reasons, void-essential
functions that return a token errorcode return a Maybe ErrorCode, and
functions that
I was wondering if Data.Colour supported Double-valued colour
components 1.0 or less than 0. I'm looking to create an HDR image
processing library, and Haskell has one of the most extensive and
correct colour models around, thanks to Russell. With 16bpcc or
32bpcc images, however, I need to be
Excellent. That's what I wanted to know :-)
On Thu, Aug 6, 2009 at 4:01 PM, rocon...@theorem.ca wrote:
On Thu, 6 Aug 2009, rocon...@theorem.ca wrote:
On Thu, 6 Aug 2009, Jeff Heard wrote:
I was wondering if Data.Colour supported Double-valued colour
components 1.0 or less than 0. I'm
Yes, the GHC compiler will work on older kernels and CentOS kernels if
you bootstrap it with 6.4
On Thu, Aug 6, 2009 at 4:51 PM, Jason Dagitda...@codersbase.com wrote:
On Thu, Aug 6, 2009 at 1:39 PM, Henning Thielemann
lemm...@henning-thielemann.de wrote:
Today a student has shown me a
There is a package for serializing doubles on Hackage,
Data.Bunary.IEEE754. See:
http://hackage.haskell.org/package/data-binary-ieee754
-- Jeff
On Fri, Jul 17, 2009 at 1:57 PM, Jeff Heardjefferson.r.he...@gmail.com wrote:
Bulat,
There is a package for serializing doubles on Hackage,
Beautiful. Can we have a version on hackage?
On Thu, Jul 16, 2009 at 5:56 PM, Job Vranishjvran...@gmail.com wrote:
I was needing a way to zip generic data structures together today and was
very annoyed to find that there is no Zippable class, or variant there of.
So I made my own:
class
I created a window, like so:
Gtk.windowSetTitle win name
Gtk.widgetSetName win Hieroglyph
Gtk.onDestroy win (exitWith ExitSuccess)
Gtk.windowSetDefaultSize win w h
Gtk.containerResizeChildren win
And an GLDrawingArea like so:
config ← Gtk.glConfigNew [Gtk.GLModeRGBA, Gtk.GLModeMultiSample,
The c2hs documentation at
http://www.cse.unsw.edu.au/~chak/haskell/c2hs/docu/implementing.html#id314947
gives me an example to follow for this case:
{#fun notebook_query_tab_label_packing as ^
`(NotebookClass nb, WidgetClass cld)' =
{notebook `nb',
widget `cld'
This is great news! I'd love to be able to write our cellphone
automated vehicle location clients in Haskell.
-- Jeff
On Mon, Jun 22, 2009 at 6:38 PM, Don Stewartd...@galois.com wrote:
If you're doing it in Haskell, please feel free to keep plugging.
A new market for Haskell apps is highly
nVidia and ATI drivers both support GL 3.0 on Linux, although you're
right that open source drivers don't. I for one welcome this package
with open arms, since I'm mostly trying to implement a layer over
OpenGL anyway with Hieroglyph. This'll help with the next revision of
that. As for the
at 2:44 PM, Henning
Thielemannlemm...@henning-thielemann.de wrote:
On Thu, 11 Jun 2009, Jeff Heard wrote:
case in point: Hieroglyph. What's it do? import Hieroglyph. Is
there any clue by my function names which ones belong to a library
called Hieroglyph? No. However, import
, subcategories, and sub-sub-categories :-)
-- Jeff
On Thu, Jun 11, 2009 at 2:44 PM, Henning
Thielemannlemm...@henning-thielemann.de wrote:
On Thu, 11 Jun 2009, Jeff Heard wrote:
case in point: Hieroglyph. What's it do? import Hieroglyph. Is
there any clue by my function names which ones belong
The code that causes it is here:
http://hpaste.org/fastcgi/hpaste.fcgi/view?id=5731#a5731
This is the strangest thing. Occasionally, using nothing but gets and
puts and frees on a non-full Cache will result in this:
Cache {
store = fromList
. filter (f . snd) . IntMap.toList is more concisely
(and efficiently) written as: IntMap.filter f
Thanks,
Neil.
Jeff Heard wrote:
The code that causes it is here:
http://hpaste.org/fastcgi/hpaste.fcgi/view?id=5731#a5731
This is the strangest thing. Occasionally, using nothing
Sounds like a fold to me. Try looking at the doc of either foldl/r/l'
or mapAccum depending on what you want.. Then write a function for
one iteration that returns the value from that iteration combined with
the value from the last iteration
-- Jeff
On Sun, Jun 7, 2009 at 3:44 PM,
Tons of relevant changes. Almost too many to count...
Buster:
- Fixed performance and bugs in buster,
- split out buster, buster-network, and buster-gtk to make it easier
to only build components of the system.
- Added new functions in buster for selection and debugging.
- Added behaviours in
I was just running a test that has compiled before just fine, and now
I'm getting this rather odd message:
EventBusTest.hs:20:9:
Couldn't match expected type `Bus a'
against inferred type `buster-1.1:App.EventBus.Bus
haxr will no longer compile from cabal because of the dependency
marked HTTP 1.0. The current version of the library requires HTTP
4000.0.0 as it stands. Can it be updated real quick in hackage?
-- Jeff
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I've been using the latest and greatest version of leksah for the last
couple of weeks and I wanted to give a short report on the things I've
found.
First of all, it's crashed only once, and the error was an actual
segfault, so I'm not sure what went wrong there. All in all, I like
the eyecandy
on Windows.
On Tue, Apr 21, 2009 at 5:06 PM, Jeff Heard jefferson.r.he...@gmail.com
wrote:
I've been using the latest and greatest version of leksah for the last
couple of weeks and I wanted to give a short report on the things I've
found.
First of all, it's crashed only once, and the error
I've noticed this before. I in fact have really only tried FTGL with
VC compiled lib files...
On Mon, Apr 6, 2009 at 5:34 PM, Peter Verswyvelen bugf...@gmail.com wrote:
To my surprise GHC seems to accept .lib files (produced by e.g. Visual
Studio on Windows) directly; I don't need to convert
Is there a way to do something like autoconf and configure
dependencies at install time? Building buster, I keep adding
dependencies and I'd like to keep that down to a minimum without the
annoyance of littering Hackage with dozens of packages. For instance,
today I developed an HTTP behaviour
Yes, the FTGL library, but it uses FTGL on the backend and not
freetype directly. You might be able to get the flyph shapes from
Pango...
On Sat, Apr 4, 2009 at 12:59 PM, Dmitry V'yal akam...@gmail.com wrote:
Greetings. I'm trying to render some glyphs from ttf font to svg
image using
The instructions in the leksah manuals seem to work for doing a
straight-up ports install of gtk2hs. I've never managed to get it to
install without compiling manually, but this worked
$ sudo port install gtk2 cairo librsvg libglade2 gtksourceview2
gtkglext gtk-chtheme gtk2-clearlooks
$ sudo
I tried installing leskah on OS X using the x11 version of gtk2hs
(because I use gtkglext a lot in my work, and need it, therefore the
quartz build won't work for me) I get these errors. Is this leksah
specific or is this a more general problem with gtk2hs?
Linking dist/build/leksah/leksah ...
cairo librsvg libglade2 gtksourceview2 gtkglext
$ sudo port install gtk-chtheme gtk2-clearlooks sudo port -k
install ghc gtk2hs hs-cabal
$ cabal install yi
Running OS X 10.5.6 (Leopard) on a MacBook 2.4 gHz Core 2 Duo
-- Jeff
-- Forwarded message --
From: Jeff Heard
Jurgen... I have one more question, or rather request... I'm running
under Ubuntu, and I get inconsistencies with packages that I build and
install via Leksah not showing up when I configure other packages that
depend on them. Then I notice that you're using runhaskell Setup.lhs
... to configure
http://vis.renci.org/jeff/2009/04/03/major-updates-to-buster/
Added several new widgets and several new behaviours related to file
reading and writing, exceptions, and the system/program environment.
-- Jeff
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Read more about it on its webpage: http://vs.renci.org/jeff/buster
Yes, it’s to solve a particular problem. And yes, this is a rough
draft of an explanation of how it works. I’ve not even really
solidified the vocabulary yet, but I have this module which couches a
large, abstract, interactive
...@gmail.com:
Sounds vaguely like Grapefruit's circuits, but I could be very wrong...
The link you provided seems to be broken?
On Thu, Apr 2, 2009 at 3:05 PM, Jeff Heard jefferson.r.he...@gmail.com
wrote:
Read more about it on its webpage: http://vs.renci.org/jeff/buster
Yes, it’s to solve
Check links... god. http://vis.renci.org/jeff/buster (can you tell
I was up till 3am last night?)
On Thu, Apr 2, 2009 at 10:05 AM, Jeff Heard jefferson.r.he...@gmail.com wrote:
Yes,sorry. vis, not vs. http://vis.renci.org/buster
It is a bit like grapefruit's circuits, but where Grapefruit
it a basic part of Event.
-- Jeff
On Thu, Apr 2, 2009 at 11:05 AM, Jules Bean ju...@jellybean.co.uk wrote:
Jeff Heard wrote:
A last but somewhat minor thing is that the Event type is fairly
general, allowing for multiple data to be attached to a single event
and this data to be of many
On Thu, Apr 2, 2009 at 11:22 AM, Jules Bean ju...@jellybean.co.uk wrote:
Maybe I wasn't clear, and probably I'm being dense. I understand what you've
done - I looked at the type declarations before commenting - but I don't
understand why.
Why is it useful to be able to use basic types
Alright, updated it to extract EData from the Event type and make it
separate. Basically, now all type signatures
Event a
Widget a
Behaviour a
should read
Event [EData a]
Widget [EData a]
Behaviour [EData a]
for backward compatibility.
On Thu, Apr 2, 2009 at 11:53 AM, Jeff Heard
I have one problem so far (and one segfault), but I like the IDE a
lot. When I create a new package inside one of my current source
directories, it adds all the modules in that directory to *both* the
exposed and additional unexposed modules list, resulting in a net zero
modules in the package.
haxr's also based on a fairly old version of HaXml. I'm not sure what
the performance of the library is, other than it seems acceptable, but
moving to ByteStrings all the way through might do some good.
On Fri, Mar 27, 2009 at 9:13 PM, Henning Thielemann
lemm...@henning-thielemann.de wrote:
Critiano, despite that thread, yes, there is decent support for
Haskell on Mac OS X. The main problem is that the ports system to
install Gtk2Hs isn't terribly great, as in it mostly doesn't work, but
if you're willing to get Gtk2Hs compiled on your own, then after that,
I've found it to be
://www.haskell.org/haskellwiki/Gtk2hs#Using_the_GTK.2B_OS_X_Framework
-Ross
On Mar 20, 2009, at 2:10 PM, Jeff Heard wrote:
cabal-install works for me. The one thing that would be REALLY REALLY
nice (and I'm cc-ing Duncan on this) is a .dmg for Gtk2Hs on Mac OS X.
There exists a ports build
Ah wait... I can't read. section 4.1.2 explains the macports
installation. I'll try that.
On Fri, Mar 20, 2009 at 2:56 PM, Jeff Heard jefferson.r.he...@gmail.com wrote:
That one doesn't work with OpenGL, however and won't in the forseeable
future. Incidentally, just now doing a ports
supported with the
framework version.
-Ross
On Mar 20, 2009, at 2:56 PM, Jeff Heard wrote:
That one doesn't work with OpenGL, however and won't in the forseeable
future. Incidentally, just now doing a ports install gtk2hs gives
me the following error on my brand new MacBook:
$ sudo
Don, good to know; I hadn't checked for packaging tools outside of
cabal in Hackage :)
2009/3/20 Don Stewart d...@galois.com:
dons:
Good to hear you're shipping graphical Haskell apps, Jefferson. Well done.
We do have tools for packaging for various distros:
* Mac OSX:
?
Most packages on Hackage have a 'Maintainer' field providing an email
address to which you can send bug reports. Although I see that in
this particular case, Jeff Heard did not list an email address in the
Maintainer field for Hieroglyph.
-Brent
Danny, I'll fix this today and repost and add a maintainer email
address in the cabal package while I'm at it. Thanks!
2009/3/19 Danny Chan chan_...@yahoo.de:
Since I haven't found out how to report bugs for this package, I am posting
this here.
Changing the color of Text elements in a
Bug fixed. Package uploaded to Hackage.
2009/3/19 Danny Chan chan_...@yahoo.de:
Since I haven't found out how to report bugs for this package, I am posting
this here.
Changing the color of Text elements in a Hieroglyph image like this:
text {attributes = plain {strokeRGBA = opaque blue}}
Very impressive looking, Don.
-- Jeff
On Mon, Mar 16, 2009 at 11:14 AM, Don Stewart d...@galois.com wrote:
Oh, barely any time (maybe 30-60 seconds). It's just a 10k node graph with
a 50k edges. :)
vanenkj:
How long did the haskell universe graphs take to render?
On Mon, Mar 16, 2009 at
That's why I just asked on IRC for them :-) Also wrote most of a
Hieroglyph script last night to replace the graph of daily uploads on
Hackage. Will send it out tonight or tomorrow.
On Mon, Mar 16, 2009 at 11:17 AM, Don Stewart d...@galois.com wrote:
My secret hope is that Jeff will take the
The haxr cabal library dependencies seem to be off. I wonder, since
haxr would benefit highly from the HTTP 4k series of performance
improvements, is it trivial to make it compatible with the latest
library?
-- Jeff
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Come to think of it, I've never seen an applicative tutorial of
Parsec, only a monadic one. Does such a beast exist, and if so, maybe
we could merge the two together, work the same example in both, and
thus help the programmer make the shift from monadic to applicative,
from order of parsing to
Oh, I know it's not specific to parsec, it just seems like parsec's
used enough and well understood enough that it would make a good
tutorial.
On Thu, Mar 12, 2009 at 11:36 AM, Martijn van Steenbergen
mart...@van.steenbergen.nl wrote:
Jeff Heard wrote:
Come to think of it, I've never seen
For those of you who don't read Reddit:
Changes are minor right now. The main thing is that I'm now using
Russell O'Connor's excellent Data.Colour library. The only other
changes were to make H. compile with Gtk2Hs 0.10.x and to make it a
bit easier to integrate Gtk2Hs guis with Hieroglyph and
Jim, I'm actually not sure that time will report greater than 100% cpu
on ubuntu hardy. (really not sure, and don't have it available right
this moment to check). I would however try making a computation that
will take a little longer and use the system monitor or /proc to look
at your CPU usage
When he gives you the code, could you let me know? I would really
love to bind Open Scene Graph, but it's entirely C++ and that makes
for a lot more difficult coding to say the least.
On Wed, Feb 18, 2009 at 4:17 AM, Wolfgang Jeltsch
g9ks1...@acme.softbase.org wrote:
Am Dienstag, 17. Februar
I would actually quite like to integrate Hieroglyph with Grapefruit,
which would give you your Cairo support and give me a sensible way to
implement events outside of my really rather broken model.
On Mon, Feb 16, 2009 at 10:04 AM, Wolfgang Jeltsch
g9ks1...@acme.softbase.org wrote:
Am Montag,
Wonderful! Who maintains the mac-ports port of it? I'm itching to
get hieroglyph working on the Mac.
On Tue, Feb 10, 2009 at 11:40 PM, Peter Gavin pga...@gmail.com wrote:
Hi everyone,
Oh, dear... it seems I've forgotten how to spell cafe, and sent this
message to haskell-c...@haskell.org
Similarly, I've been wondering what's at the core of a GUI? It seems
in recent years that more people have been moving towards web-based
applications, and away from traditional GUIs, so the meaning of them
may be changing. The old question seemed to be Page vs.
Control-Board, but that seems like
denotationally-semantic GUI toolkit that
works for everyone everywhere.
On Tue, Feb 3, 2009 at 4:48 PM, Malcolm Wallace
malcolm.wall...@cs.york.ac.uk wrote:
Jeff Heard wrote:
Similarly, I've been wondering what's at the core of a GUI? It seems
in recent years that more people have been moving
That's my thought.
On Mon, Feb 2, 2009 at 7:23 AM, Achim Schneider bars...@web.de wrote:
Stephen Tetley stephen.tet...@gmail.com wrote:
Also, Shiva-VG - http://sourceforge.net/projects/shivavg - the
implementation of OpenVG that the Haskell binding works with supports
OpenVG 1.0.1, so it
Everyone, I'll be releasing Hieroglyph this week. Right now I'm unit
testing and I've been out of town this past weekend without much
opportunity to work on it. It's not yet a complete functional
re-working of Cairo -- for instance, right now patterns aren't
supported, and Pango layouts aren't
Thanks, Peter, for the paper link... I'll look at this, as it's
exactly what it sounds like I want for the future of Hieroglyph...
2009/1/31 Peter Verswyvelen bugf...@gmail.com:
Hi Conal,
Do you have any links to this interesting work of Jefferson Heard? Blogs or
something? I failed to Google
Oh, and by functional, I mean that it isn't a complete re-wrapping of
the library, not that you have IO creeping in all over the place.
Pardon my unclearness.
On Sun, Feb 1, 2009 at 6:10 PM, Jeff Heard jefferson.r.he...@gmail.com wrote:
Everyone, I'll be releasing Hieroglyph this week. Right
I will happily check it on Linux. I'm only vaguely familiar with
OpenVG... In theory it's a good API, and would support exactly what
I'd need for a backend to Hieroglyph that isn't Cairo based, but we'd
still need a good image API and probably to bind to Pango to get text
and layout support.
For
I'll be releasing an R-Tree fairly soon... not sure whether it'll fit
into this package or not, but we might conisder merging.
On Tue, Jan 27, 2009 at 10:52 PM, Artyom Shalkhakov
artyom.shalkha...@gmail.com wrote:
Hello,
2009/1/27 Corey O'Connor coreyocon...@gmail.com:
Haskell's all I use at work, although no-one requires it. I know that
Ravi Nanavati's company uses Haskell pretty exclusively, and there's
also Galois and a couple of financial houses. I was pretty impressed
with the professional turnout for ICFP 2008.
-- Jeff
On Mon, Jan 19, 2009 at 2:34 PM,
/opt/local/bin/ghc +RTS -RTS -c tools/hierarchyGen/TypeGen.hs -o
tools/hierarchyGen/TypeGen.o -O -itools/hierarchyGen -package-conf
package.conf.inplace -hide-all-packages -package base
package.conf.inplace: openBinaryFile: does not exist (No such file or directory)
/opt/local/bin/ghc +RTS -RTS -c
Just started up a blog on my own random lumberings through Haskell and
the visualizations I've produced in Haskell. Have plenty of content
on backlog, so I should be updating regularly. That's about all!
http://vis.renci.org/jeff/
-- Jeff
___
That would probably be the problem, then, yes. I'm still using GHC
6.8.3 in most of my code, but MacPorts doesn't respect the existing
installation of GHC 6.8.3 that I installed via the DMG package on
http://haskell.org/ghc
On Sat, Jan 17, 2009 at 5:56 PM, Yitzchak Gale g...@sefer.org wrote:
Just as a reported speedup, downloading a 5MB file from my own local
machine (via http) went from 1.05 secs to 0.053 secs. Yes, it's
really an order of magnitude better. Performance now is on par or
slightly better than cURL (however to get more protocols than HTTP,
you'll still need the
Yes, please do. At some point soon, I will do and release a feature
and performance benchmark on HTTP-3xxx, -4xxx, -lazy (if you release
it), and cURL, that way people can use what's best for their
application.
On Fri, Jan 16, 2009 at 12:29 PM, Don Stewart d...@galois.com wrote:
lemming:
On
I have the following class:
class Region a where
numDimensions :: a - Int
dim :: Int - a - (Double,Double)
merge :: a - a - a
and several ancillary methods defined, the most importance of which is:
bounds :: Region a = a - [(Double,Double)]
bounds r = take (numDimensions r) . map
-- Forwarded message --
From: Jeff Heard jefferson.r.he...@gmail.com
Date: Thu, Jan 8, 2009 at 12:26 PM
Subject: Re: [Haskell-cafe] Defining methods generically for a class
To: Cristiano Paris fr...@theshire.org
Not really... I'm not testing if each of the items a are equal
Jeff,
Jeff Heard wrote:
instance Region a = Eq a where
regiona == regionb = all $ zipWith (==) (bounds regiona) (bounds
regionb)
If you want to be Haskell98 compliant, why not define regionEquals :: Region
a = a - a - Bool as above and use that everywhere instead of (==)?
If you insist
...@lempsink.nl wrote:
On 6 jan 2009, at 18:08, Jeff Heard wrote:
Alright... I *think* I'm nearly there, but I can't figure out how to
derive a class instance using record accessors and updaters... Can
anyone help? There are [| XXXf |] instances at the end of the module
and they all need
Alright... I *think* I'm nearly there, but I can't figure out how to
derive a class instance using record accessors and updaters... Can
anyone help? There are [| XXXf |] instances at the end of the module
and they all need replaced, but I can't figure out what to replace
them with. The basic
I don't think that making Show a type class was a mistake. I think
that we have long since overloaded the meaning of Show and made it
ambiguous. There are multiple distinct reasons people use Show, and
this gets confusing. It would be good if we as a community tried to
nail down these different
I have changed the name of Thingie to Hieroglyph and added support for
displaying images on the Cairo canvas. I'm still working on using
template haskell to derive the basic UIState class, but I don't
understand template haskell all that well, so it's taking some time.
Hopefully I can get some
Updated Control.Monad.IfElse to include Wren Thornton's
Control.Monad.Extras, unlessM, ncond (unless-else chaining), ncondM,
and more binary conditional operators.
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Haskell-Cafe@haskell.org
How does one go about renaming a package on Hackage? I finally
figured out a name for Thingie, and I'd like to change the package
name to reflect that, so that future versions look to the new package
and not the old one.
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Provides useful anaphoric and monadic versions of if-else and when, as
well as infix operators for the actions to allow things like this:
-- Allow the clause to be in m a
whenM (Gtk.widgetIsFocus win) $ do
this
that
-- anaphoric if. If the condition is nonempty, pass the conditional
value
Two things... can I add fields to records using Template Haskell, like:
data T = T { $fields, myfield :: Field, ... }
I assume the answer there is no, and then what's wrong with this? I get:
Illegal instance declaration for `UIState t'
(All instance types must be of the form (T a1
I need a better name for this, but I have software, so I shall release
it with a dumb name. Thingie has just been uploaded to hackage. It
is a library for creating 2D visualizations in a purely functional
manner. It supports static visualizations and animation, and like
most vis libraries, can
Make that version 0.81 -- added in a module that exports all the other
modules except BasicUIState.
On Thu, Dec 18, 2008 at 5:12 PM, Jeff Heard jefferson.r.he...@gmail.com wrote:
I need a better name for this, but I have software, so I shall release
it with a dumb name. Thingie has just been
I had luck building the latest GHC from source using the ghc 6.6
binary build to bootstrap. The 6.8+ binary builds run into a timer
issue, at least on 64 bit CentOS that causes them to bork out during
the configure script.
2008/12/12 Steve Lihn stevel...@gmail.com:
I recently got a CentOS
I'm working on this now. R-Tree, not Oct-tree, but it'll be there
soon. Also working on GDAL/OGR bindings.
On Wed, Dec 10, 2008 at 4:26 AM, Neal Alexander [EMAIL PROTECTED] wrote:
Don Stewart wrote:
I'd like to echo Jason's remarks earlier.
http://www.reddit.com/r/haskell_proposals/
Seen on Slashdot:
http://www.ddj.com/development-tools/212201710;jsessionid=3MQLTTYJRPL3CQSNDLRSKH0CJUNN2JVN
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On Wed, Dec 3, 2008 at 5:59 PM, Yuriy [EMAIL PROTECTED] wrote:
On Thu, Dec 04, 2008 at 11:56:10AM +1300, Yuriy wrote:
Hi,
Is there any haskell library to work with ZIP file format?
Thanks,
Yuriy
Duncan, what kind of help do you need on the Haskell Platform install?
I have access to VMs running windows XP and Vista.
On Sun, Nov 23, 2008 at 8:12 AM, Duncan Coutts
[EMAIL PROTECTED] wrote:
On Sun, 2008-11-23 at 08:00 -0500, Paul L wrote:
On 11/23/08, Duncan Coutts [EMAIL PROTECTED] wrote:
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