How do you escape strings for SQLite table/column names in Python?
The standard approach for using variable values in SQLite queries is the “question mark style”, like this:
python
Multiprocessing example giving AttributeError
I am trying to implement multiprocessing in my code, and so, I thought that I would start my learning with some examples. I used the first example found in this documentation.
Matplotlib fill between multiple lines
I would like to fill between 3 lines in matplotlib.pyplot but unfortunately the fill_between gives me opportunity to fill between only two lines. Any ideas how to deal with this?
Simplify Chained Comparison
I have an integer value x, and I need to check if it is between a start and end values, so I write the following statements:
Reading Unicode file data with BOM chars in Python
I’m reading a series of source code files using Python and running into a unicode BOM error. Here’s my code:
How to overcome TypeError: unhashable type: ‘list’
I’m trying to take a file that looks like this:
How to return 0 with divide by zero
I’m trying to perform an element wise divide in python, but if a zero is encountered, I need the quotient to just be zero.
Renaming a virtualenv folder without breaking it
I’ve created folder and initialized a virtualenv instance in it.
Python Pandas: Convert Rows as Column headers
I have the following dataframe: Year Country medal no of medals 1896 Afghanistan Gold 5 1896 Afghanistan Silver 4 1896 Afghanistan Bronze 3 1896 Algeria Gold 1 1896 Algeria Silver 2 1896 Algeria Bronze 3 I want it this way. Year Country Gold Silver Bronze 1896 Afghanistan 5 4 3 1896 Algeria 1 2 3 … Read more
Parsing HTML in Python
What’s my best bet for parsing HTML if I can’t use BeautifulSoup or lxml? I’ve got some code that uses SGMLlib but it’s a bit low-level and it’s now deprecated. I would prefer if it could stomache a bit of malformed HTML although I’m pretty sure most of the input will be pretty clean. Answers: … Read more