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Arrow operator (->) usage in C
I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...
How do I detect the Python version at runtime? [duplicate]
I have a Python file which might have to support Python versions < 3.x and >= 3.x. Is there a way to introspect the Python runtime to know the version which it is running (for example, 2.6 or 3.2.x )?
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error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m
I have read a lot of solutions to my problem but none helped. I tried clean, rebuild. Reinstalled visual 2010 and change from professional to ultimate. But still I dont know why I have this error.
My project look like this:
1 Exe Solution to test my static library.
1 Dll Solution static library.
Co...
Impossible to Install PG gem on my mac with Mavericks
I'm trying to install the pg gem in order to work again with my rails projects. But I get this error:
26 Answers
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Convert date to datetime in Python
Is there a built-in method for converting a date to a datetime in Python, for example getting the datetime for the midnight of the given date? The opposite conversion is easy: datetime has a .date() method.
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Python regular expressions return true/false
Using Python regular expressions how can you get a True / False returned? All Python returns is:
6 Answers
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How do you use the ? : (conditional) operator in JavaScript?
Can someone please explain to me in simple words what is the ?: (conditional, "ternary") operator and how to use it?
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Angular - ui-router get previous state
Is there a way to get the previous state of the current state?
14 Answers
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Calculating text width
I'm trying to calculate text width using jQuery. I'm not sure what, but I am definitely doing something wrong.
22 Answers
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Is there a way to access the “previous row” value in a SELECT statement?
I need to calculate the difference of a column between two lines of a table. Is there any way I can do this directly in SQL? I'm using Microsoft SQL Server 2008.
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