Question : Numpy `ValueError: operands could not be broadcast together with shape …` Im using python 2.7 and am attempting […]
Coding Discuss
How to unnest (explode) a column in a pandas DataFrame, into multiple rows
Problem : I have the following DataFrame where one of the columns is an object (list type cell): df=pd.DataFrame({‘A’:[1,2],’B’:[[1,2],[1,2]]}) df […]
time data does not match format
Question : time data does not match format I get the following error: time data ’07/28/2014 18:54:55.099000′ does not match […]
Importing files from different folder
Problem : I have the following folder structure: application ├── app │ └── folder │ └── file.py └── app2 └── […]
Ctrl-C crashes Python after importing scipy.stats
Question : Ctrl-C crashes Python after importing scipy.stats I’m running 64-bit Python 2.7.3 on Win7 64-bit. I can reliably crash […]
post increment operator java
Problem : I can’t make heads or tails of the following code from “java puzzlers” by joshua bloch. public class […]
How does the axis parameter from NumPy work?
Question : How does the axis parameter from NumPy work? Can someone explain exactly what the axis parameter in NumPy […]
pip install failing with: OSError: [Errno 13] Permission denied on directory
Problem : pip install -r requirements.txt fails with the exception below OSError: [Errno 13] Permission denied: ‘/usr/local/lib/…. What’s wrong and […]
How to use Flask-Script and Gunicorn
Question : How to use Flask-Script and Gunicorn I’m working on on a Flask app using Flask’s built in dev […]
Make a dictionary with duplicate keys in Python
Problem : I have the following list which contains duplicate car registration numbers with different values. I want to convert […]
