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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
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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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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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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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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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Suppress Scientific Notation in Numpy When Creating Array From Nested List
I have a nested Python list that looks like the following:
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Programmatically set left drawable in a TextView
I have a textView in xml here.
7 Answers
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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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