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How to file split at a line number [closed]
... to do this on Windows and don't want to use Cygwin, this project provides all the needed utils as native win32 binaries - unxutils.sourceforge.net
– Jonathon Hill
Dec 30 '11 at 3:27
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Techniques for Tracing Constraints
... and GHC complains could not deduce x ~ y for some x and y . You can usually throw GHC a bone and simply add the isomorphism to the function constraints, but this is a bad idea for several reasons:
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Default parameters with C++ constructors [closed]
...ks in their favor.
One thing to watch out for is if you have defaults for all but one parameter, your class can be implicitly converted from that parameter type. Check out this thread for more info.
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What's the point of 'const' in the Haskell Prelude?
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It's useful for passing to higher-order functions when you don't need all their flexibility. For example, the monadic sequence operator >> can be defined in terms of the monadic bind operator as
x >> y = x >>= const y
It's somewhat neater than using a lambda
x >> y =...
Do I cast the result of malloc?
... someone suggested in a comment that I should not cast the result of malloc , i.e.
29 Answers
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e.printStackTrace equivalent in python
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import traceback
traceback.print_exc()
When doing this inside an except ...: block it will automatically use the current exception. See http://docs.python.org/library/traceback.html for more information.
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How can I avoid running ActiveRecord callbacks?
I have some models that have after_save callbacks. Usually that's fine, but in some situations, like when creating development data, I want to save the models without having the callbacks run. Is there a simple way to do that? Something akin to...
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Effects of changing Django's SECRET_KEY
...t know about 1.4, it's a matter of taking a look at the code. I pointed at all the sources for each point, you can take a look at "protect session data and create random session keys". It's normal you're still logged in but you won't be able to read the data contained in the session as SECRET_KEY is...
Where can I find Android source code online? [closed]
...plication(e.g.the contact application) ? Is the only way to go to download all there is?
7 Answers
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How can I read a whole file into a string variable
I have lots of small files, I don't want to read them line by line.
5 Answers
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