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Count number of matches of a regex in Javascript
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194
tl;dr: Generic Pattern Counter
// THIS IS WHAT YOU NEED
const count = (str) => {
const r...
How to override the [] operator in Python?
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311
You need to use the __getitem__ method.
class MyClass:
def __getitem__(self, key):
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Twitter Bootstrap alert message close and open again
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14 Answers
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How to use sed to remove the last n lines of a file
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edited Feb 20 '14 at 11:50
laalto
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
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15 Answers
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In C++, if throw is an expression, what is its type?
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According to the standard, 5.16 paragraph 2 first point, "The second or the third operand (but not both) is a throw-expression (15.1); the result is of the type of the other and is an rvalue." Therefore, the conditional operator doesn't care what type a...
emacs zoom in/zoom out
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Try C-x C-+ and C-x C--; that is, Control-x Control-Minus/Control-Plus.
After one combination...
How do you do natural logs (e.g. “ln()”) with numpy in Python?
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156
np.log is ln, whereas np.log10 is your standard base 10 log.
Relevant documentation:
http://...
Stashing only staged changes in git - is it possible?
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Using -performSelector: vs. just calling the method
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191
Basically performSelector allows you to dynamically determine which selector to call a selecto...