I have uploaded to hackage a new version of my ray-tracer, Glome.
In previous releases, Glome was a monolithic application. In this
release, the core algorithms have been abstracted out into a pair of
libraries, GlomeVec and GlomeTrace.
GlomeVec is a vector library. It's not necessarily any
On Sun, Jan 24, 2010 at 2:38 AM, Nicolas Pouillard <
nicolas.pouill...@gmail.com> wrote:
> On Sat, 23 Jan 2010 21:31:47 +0200, Michael Snoyman
> wrote:
> > Just as an update, I've made the following changes to my WAI git repo (
> > http://github.com/snoyberg/wai):
> >
> > * I removed the RequestB
Thanks very much Daniel for giving my (amateurish!) exercise such an in-depth a
look-over. Comments inline below.
On 23/01/2010, at 12:11 AM, Daniel Fischer wrote:
> Am Freitag 22 Januar 2010 07:51:27 schrieb Matthew Phillips:
>> Hello all,
>>
>> sorry to bring up an old chestnut, but I’m tryin
Hi all,
I'm trying to install the "encoding" package using cabal, but I'm
getting an error about a missing "HaXml" module...
-
ch...@desktop:~$ cabal install encoding
Resolving dependencies...
/tmp/encoding-0.6.26119/encoding-0.
> The only safe rule is: if you don't control the class, C, or you don't
> control the type constructor, T, don't make instance C T.
I agree in principle, but in the real world you can't live by this rule.
Example, I want to use Uniplate to traverse the tree built by haskell-src-exts,
Using Data.D
On Sat, 23 Jan 2010 21:31:47 +0200, Michael Snoyman wrote:
> Just as an update, I've made the following changes to my WAI git repo (
> http://github.com/snoyberg/wai):
>
> * I removed the RequestBody(Class) bits, and replaced them with "IO (Maybe
> ByteString)". This is a good example of tradeoff
On Jan 23, 2010, at 10:52 AM, Michael Snoyman wrote:
Jeremy,
What I meant is, if you use a sendfile system call to send raw files
from the disk, how does this interact with gzip compression, which
clearly cannot be used when using a sendfile call? I ask because you
implied there were sign
On Sat, Jan 23, 2010 at 4:57 PM, Jeremy Shaw wrote:
> On Sat, Jan 23, 2010 at 7:57 AM, Neil Mitchell
> wrote:
>
>>
>> No, that's definitely not correct, or even remotely scalable as we
>> increase the number of abstract types in disparate packages.
>
> Yes.. happstack is facing another aspect of
Am Sonntag 24 Januar 2010 00:38:44 schrieb hask...@kudling.de:
> Don Stewart hat am 24. Januar 2010 um 00:10
geschrieben:
> > haskell:
> > > > Looks like the author of hxt has decided to support 6.12 only, at
> > > > the moment.
> > > >
> > > > base (>=4.2 && <5)
> > > >
> > > > Ensures this
haskell:
> > That looks like an error relating to the versoin of tagsoup used?
>
> You're right, thanks.
> "optLookupEntity" is defined in tagsoup-0.6, but not in tagsoup-0.8.
> But hxt-8.3.2 broadly requires tagsoup (>=0.6 && <1).
>
> I am no cabal expert. What is the best solution here?
I thin
On Sat, 23 Jan 2010 18:52:01 +0200, Michael Snoyman wrote:
> Jeremy,
>
> What I meant is, if you use a sendfile system call to send raw files from
> the disk, how does this interact with gzip compression, which clearly cannot
> be used when using a sendfile call? I ask because you implied there w
Don Stewart hat am 24. Januar 2010 um 00:10 geschrieben:
> haskell:
> > > Looks like the author of hxt has decided to support 6.12 only, at the
> > > moment.
> > >
> > > base (>=4.2 && <5)
> > >
> > > Ensures this will only work on the 6.12 series of compilers.
> >
> > Thanks. I know.
> >
On Sat, 23 Jan 2010 16:57:49 -0600, Jeremy Shaw wrote:
> On Sat, Jan 23, 2010 at 7:57 AM, Neil Mitchell wrote:
>
>
> > No, that's definitely not correct, or even remotely scalable as we
> > increase the number of abstract types in disparate packages.
>
>
> Yes.. happstack is facing another as
haskell:
> > Looks like the author of hxt has decided to support 6.12 only, at the
> > moment.
> >
> > base (>=4.2 && <5)
> >
> > Ensures this will only work on the 6.12 series of compilers.
>
> Thanks. I know.
>
> My point is, i don't understand why hxt-8.3.2 (base >= 4 && <5) fails to
> ins
> Looks like the author of hxt has decided to support 6.12 only, at the
> moment.
>
> base (>=4.2 && <5)
>
> Ensures this will only work on the 6.12 series of compilers.
Thanks. I know.
My point is, i don't understand why hxt-8.3.2 (base >= 4 && <5) fails to install
for me with:
"
src/
haskell:
> Hi guys,
>
> i have some troubles to install hxt.
>
> My first naive attempt "cabal install hxt" fails with
> "cabal: cannot configure hxt-8.5.0. It requires base >=4.2 && <5".
>
> I guess that's because i use ghc 6.10.4, since
> "base-4.2.0.0" depends on "integer-simple" which seems
Hi guys,
i have some troubles to install hxt.
My first naive attempt "cabal install hxt" fails with
"cabal: cannot configure hxt-8.5.0. It requires base >=4.2 && <5".
I guess that's because i use ghc 6.10.4, since
"base-4.2.0.0" depends on "integer-simple" which seems to only come with ghc
6
On Sat, Jan 23, 2010 at 7:57 AM, Neil Mitchell wrote:
> No, that's definitely not correct, or even remotely scalable as we
> increase the number of abstract types in disparate packages.
Yes.. happstack is facing another aspect of this scalability issue as well.
We have a class, Serialize, whic
Just as an update, I've made the following changes to my WAI git repo (
http://github.com/snoyberg/wai):
* I removed the RequestBody(Class) bits, and replaced them with "IO (Maybe
ByteString)". This is a good example of tradeoffs versus the enumerator
approach (see below).
* This might just be bik
I was inspired by the google tech talk and would like to install and
play with eros, but the
http://darcs.haskell.org/packages/Eros/dist/
address pointed to at
http://www.haskell.org/haskellwiki/Eros
appears to be obsolete.
___
Haskell-Cafe mailing li
I'm using UCS-4, with uint32_t.
On Sat, Jan 23, 2010 at 03:43, Taru Karttunen wrote:
> Excerpts from John Millikin's message of Fri Jan 22 19:40:58 +0200 2010:
>> Correct me if I'm wrong, but ByteStrings can't contain non-ASCII
>> values, right? I'm looking for something like this pseudo-C:
>>
>>
Jeremy,
What I meant is, if you use a sendfile system call to send raw files from
the disk, how does this interact with gzip compression, which clearly cannot
be used when using a sendfile call? I ask because you implied there were
significant performance gains from using sendfile.
Michael
On Fr
Hi Marc,
I've just finished hsql with up-to-date exception handling, which I will
call hsql-1.8.1, as catchSql & handleSql can be regarded as deprecated
now -- only having some final testing lest.
Excuse me for the delay.
Let me know if you want to be a beta tester... ;-)
Cheers,
Nick
I recently upgraded from GHC 6.8.2 to GHC 6.10.4 and can no longer set
breakpoints the way I'm used to. It seems I can only set breakpoints
in the current module. I Googled around and found someone with a
similar error message trying to load modules which aren't interpreted,
but that's not
Dear All,
A new version of the ForSyDe DSL is uploaded to the Hackage database.
"The ForSyDe (Formal System Design) methodology has been developed with the
objective to move system design to a higher level of abstraction and to bridge
the abstraction gap by transformational design refinement. T
Dear Haskell developers,
A new version of the parameterized-data library providing fixed-sized vectors
(based on the type-level library) is pushed into the repository and uploaded to
the Hackage database.
This is only a minor update to fix the compatibility issues with base 4,
GHC>=6.10 and cab
Hello
GHC 6.12 introduced type level splices. They are great for instances
generation. They allow for much clearer and easier to understand code.
However I run into problem with them. It's possible to create instance for
type class which doesn't have superclass. If it does have one compiler
co
On Sat, Jan 23, 2010 at 4:02 PM, Bas van Dijk wrote:
> Note that the darcs repositories for all packages are not updated
> because I can't seem to get a SSH connection with code.haskell.org :-(
I just managed to update the darcs repositories, so you can now browse
the sources on line.
Bas
__
Hello,
I released updates of all the members of the Monadic Regions family:
* http://hackage.haskell.org/package/regions-0.3
- Export the 'Dup' and 'ParentOf' classes from 'Control.Monad.Trans.Region'.
- Add: 'mapInternalHandle ∷ (Handle resource1 → Handle resource2) →
(RegionalHandle resource
Jeremy Shaw wrote:
Hello,
Would it be possible to get a Data instance for Data.Text.Text? This
would allow us to create a Serialize instance of Text for use with
happstack -- which would be extremely useful.
Last time this came up, I had a look at providing a Data instance for
Text, and I "go
>> Would it be possible to get a Data instance for Data.Text.Text?
>
> From the last time this came up, I gather that the correctish thing to do
> (for reasons too obscure to me) is to teach SYB and its many cousins about
> Text, or else there'll be some sort of disturbance in the Force.
No, that'
Excerpts from John Millikin's message of Fri Jan 22 19:40:58 +0200 2010:
> Correct me if I'm wrong, but ByteStrings can't contain non-ASCII
> values, right? I'm looking for something like this pseudo-C:
>
> typedef void (*Callback)(const uint32_t *chars, size_t n_chars, void *);
> WriterSt
Ironically, there's a TODO comment about that in the source of
Data.ByteString.Lazy, just below 'copy':
http://hackage.haskell.org/packages/archive/bytestring/0.9.0.4/doc/html/src/Data-ByteString-Lazy.html#copy
-- TODO defrag func that concatenates block together that are below a threshold
-- def
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