Python Sets vs Lists
In Python, which data structure is more efficient/speedy? Assuming that order is not important to me and I would be checking for duplicates anyway, is a Python set slower than a Python list?
python
How to add group labels for bar charts in matplotlib
I want to plot data of the following form, using matplotlib bar plot:
Pythonic way to print list items
I would like to know if there is a better way to print all objects in a Python list than this :
How do I compare version numbers in Python?
I am walking a directory that contains eggs to add those eggs to the sys.path. If there are two versions of the same .egg in the directory, I want to add only the latest one.
Convert number strings with commas in pandas DataFrame to float
I have a DataFrame that contains numbers as strings with commas for the thousands marker. I need to convert them to floats.
How to create a custom string representation for a class object?
Consider this class:
What SOAP client libraries exist for Python, and where is the documentation for them?
SOAPy: Was the “best,” but no longer maintained. Does not work on Python 2.5+
Confused about backslashes in regular expressions
Perhaps the most important metacharacter is the backslash, . As in Python string literals, the backslash can be followed by various characters to signal various special sequences. It’s also used to escape all the metacharacters so you can still match them in patterns; for example, if you need to match a [ or , you can precede them with a backslash to remove their special meaning: [ or \.
Pygame collision with masks
I have made a putt-putt game and now I want to add a slanted wall type. Because of this, I need to use masks for the collision (until now I have just used rects). I have spent hours learning about masks and trying to figure out why my code won’t work. There are no errors, the collision just isn’t detected.
Get rows based on distinct values from one column
How can I get the rows by distinct values in COL2?