I\'ve been reading about Happstack and decided to give it a shot. I\'m running xubuntu 9.10 and got to this page in the tutorial which told me to do cabal install in the tutorial folder. When I did th
We\'d like to serialize data in a specific binary format. We use Data.ByteStrings internally. So, the question is: How to convert the different data types we use to a ByteString. For String we have n
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I want to convert between various integral types; for example Word32 and Word8. What is the idiomatic way to do this in Haskell?
Haskell is about computation by calculation of values. DisplayLists / FBOs / VBOs are very very stateful by nature. I.e. \"give me a display list /开发者_运维问答 buffer object\".
The Contro开发者_如何学运维l.Exception documentation says I can do the following to create my own exception:
If you look at the example for catches: f = expr `catches` [Handler (\\ (ex :: ArithException) -> handleArith ex),
Consider the following Erlang code: -module(testit). -export([testit/0]). testit() -> Pid = spawn(fun testit_proc/0),
I\'m studying the mtl library and trying to do some MonadTransformers of my own. I was checking the Control.Monad.State.StateT declaration, and across all the code, I see this syntax:
Basically I\'ve made a polymorphic tree data type and I need a way of counting the number of elements i开发者_JS百科n a given tree. Here\'s the declaration for my Tree data type:
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