Pandas: Select rows that match a string
Micro tutorial: select rows of a Pandas DataFrame that match a (partial) string.
Recent Posts
LaTeX mathematics cheat sheet
LaTeX is the de facto standard typesetting system for scientific writing. Find a a cheat sheet with the most frequent used mathematics commands here.
Comparing two Excel columns with Pandas and Numpy
Having been asked multiple times if I can quickly compare two numeric columns from an excel file, I set up a small Jupyter notebook (and an R script) to show...
Display inline images in a Jupyter notebook with Matplotlib
Today I was working with the MNIST handwritten digits data and wanted to display a few images in a Jupyter notebook. After looking at PIL, then Pillow, I fou...
Debugging Jupyter notebooks
While searching for ways to debug code in a Jupyter notebook, I found a lot of outdated posts. So I decided to quickly write up my findings.
Sharing a VPN connection with another device on macOS Sierra/El Capitan
There are multiple reasons why you would want to share a VPN connection from your Mac with another device. Maybe you have to install a proprietary VPN client...
Resolving import issues when deploying Python code to AWS Lambda
AWS Lambda is Amazon’s “serverless” compute platform that basically lets you run code without thinking (too much) of servers. I used Lambda in the past, thou...
Indexing: A few handy ways to access NumPy arrays
The following code snippets should serve as an (incomplete) cheat sheet for accessing NumPy arrays. All examples expect an import numpy as np.
Working with FileMaker data in Python
This is an old post. You may also be interested in accessing your FileMaker database via the new Data API. I wrote a Python wrapper to make it easier: python...