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Is there an equivalent of 'which' on the Windows command line?
As I sometimes have path problems, where one of my own cmd scripts is hidden (shadowed) by another program (earlier on the path), I would like to be able to find the full path to a program on the Windows command line, given just its name.
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Remove empty elements from an array in Javascript
How do I remove empty elements from an array in JavaScript?
44 Answers
44
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Unicode equivalents for \w and \b in Java regular expressions?
Many modern regex implementations interpret the \w character class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
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How to check if a value exists in a dictionary (python)
I have the following dictionary in python:
6 Answers
6
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Equivalent of String.format in jQuery
I'm trying to move some JavaScript code from MicrosoftAjax to JQuery. I use the JavaScript equivalents in MicrosoftAjax of the popular .net methods, e.g. String.format(), String.startsWith(), etc. Are there equivalents to them in jQuery?
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Conditional Replace Pandas
I have a DataFrame, and I want to replace the values in a particular column that exceed a value with zero. I had thought this was a way of achieving this:
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Can someone explain this 'double negative' trick? [duplicate]
I am by no means an expert at Javascript, but I have been reading Mark Pilgrim's "Dive into HTML5" webpage and he mentioned something that I would like a better understanding of.
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Multiple aggregations of the same column using pandas GroupBy.agg()
Is there a pandas built-in way to apply two different aggregating functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times?
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Check for current Node Version
I need to programmatically access the current node version running in a library I am writing. Can't seem to find this in the docs.
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What's the idiomatic syntax for prepending to a short python list?
list.append() is the obvious choice for adding to the end of a list. Here's a reasonable explanation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is
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