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Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
21 Answers
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How to handle exceptions in a list comprehensions?
I have some a list comprehension in Python in which each iteration can throw an exception.
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How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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How can I add a help method to a shell script?
How do I check if a -h attribute has been passed into a shell script? I would like to display a help message when a user calls myscript.sh -h .
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How to scale SVG image to fill browser window?
This seems like it ought to be easy, but I'm just not getting something.
1 Answer
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get all keys set in memcached
How can I get all the keys set in my memcached instance(s)?
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Single Line Nested For Loops
Wrote this function in python that transposes a matrix:
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Can't resize UIView in IB
Probably something simple, but I can't figure why I cannot resize a UIView in a xib in Interface Builder.
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Multiple commands on a single line in a Windows batch file
In Unix, we can put multiple commands in a single line like this:
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How do you calculate log base 2 in Java for integers?
I use the following function to calculate log base 2 for integers:
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