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Create Directory if it doesn't exist with Ruby
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answered Oct 9 '13 at 19:08
zrl3dxzrl3dx
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Convert hex string to int in Python
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1130
Without the 0x prefix, you need to specify the base explicitly, otherwise there's no way to tell...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
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answered Jan 5 '10 at 16:30
Adam RobinsonAdam Robinson
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“icon-bar” in twitter bootstrap navigation bar
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icon-bar is used for responsive layouts to create a button that looks like ≡ on narrow browser...
Replacing Pandas or Numpy Nan with a None to use with MysqlDB
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203
@bogatron has it right, you can use where, it's worth noting that you can do this natively in p...
Is it safe to ignore the possibility of SHA collisions in practice?
...han 2n/2). For instance, with SHA-256 (n=256) and one billion messages (p=109) then the probability is about 4.3*10-60.
A mass-murderer space rock happens about once every 30 million years on average. This leads to a probability of such an event occurring in the next second to about 10-15. That's 4...
What is the difference between object keys with quotes and without quotes?
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answered Dec 3 '10 at 18:10
bdukesbdukes
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getSupportActionBar from inside of Fragment ActionBarCompat
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After Fragment.onActivityCreated(...) you'll have a valid activity accessible through getActivit...
Why prefer two's complement over sign-and-magnitude for signed numbers?
..., 2 and -1. In your "intuitive" way of representing numbers, they would be 0010 and 1001, respectively (I'm sticking to 4 bits for size). In the two's complement way, they are 0010 and 1111. Now, let's say I want to add them.
Two's complement addition is very simple. You add numbers normally and an...
How to get all child inputs of a div element (jQuery)
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Use it without the greater than:
$("#panel :input");
The > means only direct children of ...