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What does the exclamation mark mean in a Haskell declaration?
...his means:
data Foo = Foo Int Int !Int !(Maybe Int)
f = Foo (2+2) (3+3) (4+4) (Just (5+5))
The function f above, when evaluated, will return a "thunk": that is, the code to execute to figure out its value. At that point, a Foo doesn't even exist yet, just the code.
But at some point someone may...
Do event handlers stop garbage collection from occurring?
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4 Answers
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Git: how to reverse-merge a commit?
...Ben James
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Check whether a string contains a substring
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edited Dec 15 '15 at 9:40
answered Sep 2 '11 at 12:21
Eu...
How to use Bash to create a folder if it doesn't already exist?
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edited Aug 25 '16 at 4:17
pcambra
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answered Feb 5 '11 at 11:48...
JavaScript - Get Portion of URL Path
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434
There is a property of the built-in window.location object that will provide that for the curr...
How do I print the elements of a C++ vector in GDB?
...will produce an output similar to:
$1 = std::vector of length 3, capacity 4 = {10, 20, 30}
To achieve above, you need to have gdb 7 (I tested it on gdb 7.01) and some python pretty-printer. Installation process of these is described on gdb wiki.
What is more, after installing above, this works w...
ASP.NET MVC Controller Naming Pluralization
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Some MVC Frameworks use plurals, however the MVC project templates contains a controller called...
What size do you use for varchar(MAX) in your parameter declaration?
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Michał ChaniewskiMichał Chaniewski
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