How to use the pass statement
I am in the process of learning Python and I have reached the section about the pass statement. The guide I’m using defines it as being a null statement that is commonly used as a placeholder.
python
SQLite parameter substitution problem
Using SQLite3 with Python 2.5, I’m trying to iterate through a list and pull the weight of an item from the database based on the item’s name.
Convert a number range to another range, maintaining ratio
I’m trying to convert one range of numbers to another, maintaining ratio. Maths is not my strong point.
Matplotlib (pyplot) savefig outputs blank image
I am trying to save plots I make using matplotlib; however, the images are saving blank.
Why is the id of a Python class not unique when called quickly?
I’m doing some things in Python (3.3.3), and I came across something that is confusing me since to my understanding classes get a new id each time they are called.
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"?
How to reset index in a pandas dataframe?
I have a dataframe from which I remove some rows. As a result, I get a dataframe in which index is something like that: [1,5,6,10,11] and I would like to reset it to [0,1,2,3,4]. How can I do it? The following seems to work: df = df.reset_index() del df['index'] The following does not work: df … Read more
How do I merge a list of dicts into a single dict?
How can I turn a list of dicts like this..
pandas loc vs. iloc vs. at vs. iat?
Recently began branching out from my safe place (R) into Python and and am a bit confused by the cell localization/selection in Pandas. I’ve read the documentation but I’m struggling to understand the practical implications of the various localization/selection options.
Is Python strongly typed?
I’ve come across links that say Python is a strongly typed language.