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Published on 2010-06-17T16:39:24Z
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2010/06/17
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What's the status of multicore programming in Haskell? What projects, tools, and libraries are available now? What experience reports have there been?
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Trying to learn Haskell. I am trying to write a simple function to remove a number from a list without using built-in function (delete...I think). For the sake of simplicity, let's assume that the input parameter is an Integer and the list is an Integer list. Here is the code I have, Please tell me…
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I'm trying to use Haskells Data.Heap module, but I'm incapable of even using it with integers. The only heap I've been capable of using is "empty", which does not take any arguments.
Later on I'll figure out how to instance for my needs, but for now I'd be glad if I was even able to test it with…
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There has been some intermingling of Scala and Haskell communities, and I have noticed now and then people commenting on stuff that's supposed to be easy in Haskell and hard and Scala. Less often (maybe because I read Scala questions, not Haskell ones), I see someone mentioning that something in Scala…
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I have problems installing ghc-mod on my linux machine. cabal worries about "happy" not being available in versione = 1.17:
$ cabal install ghc-mod
Resolving dependencies...
[1 of 1] Compiling Main ( /tmp/haskell-src-exts-1.14.0-1357/haskell-src-exts-1.14.0/Setup.hs, /tmp/haskell-src-exts-1…
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fibs :: [Int]
fibs = 0 : 1 : [ a + b | (a, b) <- zip fibs (tail fibs)]
This generates the Fibonacci sequence.
I understand the behaviour of the guards, of :, zip and tail, but I don't understand <-. What is it doing here?
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This guest post is by Vinod Kumar. Vinod Kumar has worked with SQL Server extensively since joining the industry over a decade ago. Working on various versions from SQL Server 7.0, Oracle 7.3 and other database technologies – he now works with the Microsoft Technology Center (MTC) as a Technology…
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Say a website on my localhost takes about 3 seconds to do each request. This is fine, and as expected (as it is doing some fancy networking behind the scenes).
However, if i open the same url in tabs (in firefox), then reload them all at the same time, it appears to load each page sequentially rather…
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Find out what makes Mnesia, the Erlang-based database management system, perfect for distribution across a network of computers.
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I am hard core fan for Doug Lee and his concurrency framework. I have also (from twitter) came across a comment from Joshua Bloch that java concurrency is one of the best framework (guess that he compared to .Net).
But some of you worked in both Java Concurrency and .NET concurrency.
What is your…
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Queued Processing to remove Concurrency issues in Loadtest ScriptsSome
scripts act on information returned by the server, e.g. act on first
item in the returned list of pending tasks/actions. This may lead to
concurrency issues if the virtual users simulated in a load test
scenario are not synchronized…
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