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Getting the parent div of element
...ally simple but I'm having trouble with it. How do I get a parent div of a child element?
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Thread Safety in Python's dictionary
I have a class which holds a dictionary
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How can you sort an array without mutating the original array?
Let's suppose I wanted a sort function that returns a sorted copy of the inputted array. I naively tried this
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Sublime Text 2 and 3: open the same file multiple times
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Regular expression: find spaces (tabs/space) but not newlines
How can I have a regular expression that tests for spaces or tabs but not newlines. I tried \s but found out that it tests for newlines too.
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Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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Using ping in c#
...remote system with windows it says there is no reply, but when I ping with c# it says success. Windows is correct, the device is not connected. Why is my code able to successfully ping when Windows is not?
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Does the default constructor initialize built-in types?
Does the default constructor (created by the compiler) initialize built-in-types?
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How do you downgrade rubygems?
I have rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
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How can I keep my branch up to date with master with git?
I have a bug fix in my master, and I also want my branch to get that bug fix. What git command do I use?
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