Re: [Haskell-cafe] The state of database libraries

2008-07-05 Thread Paul Visschers
Hey Chris, I've been fiddling around with the database stuff myself and I had the same problems (on Linux). I eventually got both HaskellDB and HSQL to work, and am now using HSQL because HaskellDB had very poor documentation. I don't exactly know how I eventually got HSQL-MySQL to work, but I

Re: [Haskell-cafe] Having trouble with zip12..

2008-07-06 Thread Paul Visschers
You're zipping 12 lists here, so how about testing each list individually? This will narrow down the problem considerably. Michael Feathers wrote: I have some code that looks like this and I'm having trouble with it: zip12 ((tails . nub) flightPaths) wayPoints etopsPackets (hd

[Haskell-cafe] Interest in typed relational algebra library?

2012-07-07 Thread Paul Visschers
to work on it a bit and then release it. Is anyone interested in such a library? Paul Visschers ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Relational Algebra library: first version on GitHub

2012-07-21 Thread Paul Visschers
shortly. If you check it out, please comment on it and let me know if you want to contribute. Since this is going to be my first release, any feedback is welcome. Paul Visschers ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org

Re: [Haskell-cafe] Relational Algebra library: first version on GitHub

2012-07-22 Thread Paul Visschers
Hey Ertugrul, You are absolutely right and the first item on my todo list is to add better examples. Paul On Sun, Jul 22, 2012 at 5:24 AM, Ertugrul Söylemez e...@ertes.de wrote: Hello there Paul, Paul Visschers m...@paulvisschers.net wrote: A couple of weeks ago I asked

Re: [Haskell-cafe] ANNOUNCE: grid-1.1

2012-09-06 Thread Paul Visschers
Looks nice. Does it scale well to millions of elements, and can it handle 3D? On Thu, Sep 6, 2012 at 12:37 PM, Alfredo Di Napoli alfredo.dinap...@gmail.com wrote: It seems cool, looking forward to play with it! On 6 September 2012 09:42, Amy de Buitléir a...@nualeargais.ie wrote: I'm

Re: [Haskell-cafe] Call for discussion: OverloadedLists extension

2012-09-25 Thread Paul Visschers
Would that also work for vectors that have their length in their type? And while we are at it, how about overloaded tuples? Paul On Mon, Sep 24, 2012 at 7:19 PM, Simon Peyton-Jones simo...@microsoft.comwrote: | I remember a similar discussion a few years ago. The question of whether | or

[Haskell-cafe] Type-directed functions with data kinds

2012-10-25 Thread Paul Visschers
the repeat function so that it has the type 'repeat :: a - Vector n a' that I've missed? If not, is this just because it isn't implemented or are there conceptual caveats? Paul Visschers ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http

Re: [Haskell-cafe] Type-directed functions with data kinds

2012-10-27 Thread Paul Visschers
Thanks for all the replies. I guess I'll keep using my type class for now. Paul On Fri, Oct 26, 2012 at 9:25 AM, Adam Gundry adam.gun...@strath.ac.ukwrote: Hi Paul, On 25/10/12 16:22, Paul Visschers wrote: Hello everyone, I've been playing around with the data kinds extension