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How can I find the first occurrence of a sub-string in a python string?
...s.rindex(t) #returns: Same as index, but searches right to left
Source: Python: Visual QuickStart Guide, Toby Donaldson
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Serializing class instance to JSON
...t of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function, and make that function emit the correct JSO...
Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”
...There is an outstanding bug report related to this issue. It appears that Python makes some assumptions about the format of locale names that aren't universally valid. Explicitly setting these environment vars is basically just a workaround for that bug.
[Edit:] As @asmeurer correctly points out,...
How to convert an int to a hex string?
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Try:
"0x%x" % 255 # => 0xff
or
"0x%X" % 255 # => 0xFF
Python Documentation says: "keep this under Your pillow: http://docs.python.org/library/index.html"
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Find the most frequent number in a numpy vector
Suppose I have the following list in python:
12 Answers
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Python non-greedy regexes
How do I make a python regex like "(.*)" such that, given "a (b) c (d) e" python matches "b" instead of "b) c (d" ?
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SSH Private Key Permissions using Git GUI or ssh-keygen are too open
...this link via Google -- Fixing "WARNING: UNPROTECTED PRIVATE KEY FILE!" on Linux While it's targeted at linux, it might help since we're talking liunx permissions and such.
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What to put in a python module docstring? [closed]
...es, copyright information, etc. Does anyone have an example of how a good python docstring should be structured?
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What can you use Python generator functions for?
I'm starting to learn Python and I've come across generator functions, those that have a yield statement in them. I want to know what types of problems that these functions are really good at solving.
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