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Understanding recursion [closed]
I'm having major trouble understanding recursion at school. Whenever the professor is talking about it, I seem to get it but as soon as I try it on my own it completely blows my brains.
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HTTP status code 0 - Error Domain=NSURLErrorDomain?
I am working on an iOS project.
12 Answers
12
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Replace all elements of Python NumPy Array that are greater than some value
I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be:
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Default value to a parameter while passing by reference in C++
Is it possible to give a default value to a parameter of a function while we are passing the parameter by reference. in C++
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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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