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How to extract text from a string using sed?
... standard regexp, egrep or grep -e or sed -E use extended regexp, and the python code in the question uses PCRE, (perl common regular expression) GNU grep can use PCRE with -P option.
– Felipe Buccioni
Aug 22 '16 at 13:46
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Does C have a “foreach” loop construct?
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item is declared and incremented within the for statement (just like
in Python!).
Seems to work on any 1-dimensional array
All variables created in macro (p, item), aren't visible outside the
scope of the loop (since they're declared in the for loop header).
Disadvantages:
Doesn't work for mult...
Is there a command like “watch” or “inotifywait” on the Mac?
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watchdog is a cross-platform python API for watching files / directories, and it has builtin "tricks" tool that allows you to trigger actions (including shell commands) when events occur (including new added file, removed file and changed file).
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Pandas read_csv low_memory and dtype options
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@sedeh You can specify dtypes either as python types or as numpy.dtype('unicode'). When you give the dtype option a string, it will try to cast it via the numpy.dtype() factory by default. Specifying 'unicode' will actually not do anything, unicodes are just upcast...
What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
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this mimicks pythons random.choice(seq) function. nice.
– Daren Thomas
Dec 3 '09 at 14:04
6
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Reference list item by index within Django template?
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Secondary axis with twinx(): how to add to legend?
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beautiful and pythonic
– DanGoodrick
Jul 16 '19 at 15:06
1
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Why do we not have a virtual constructor in C++?
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Unlike object oriented languages such as Smalltalk or Python, where the constructor is a virtual method of the object representing the class (which means you don't need the GoF abstract factory pattern, as you can pass the object representing the class around instead of making y...
Reload django object from database
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Prevent HTML5 video from being downloaded (right-click saved)?
...ick menu? it will cover most basic knowledge cases
– python
Mar 18 '12 at 8:43
2
that depends on ...