Tutorial

Reducing Edge Artifacts in 2D Fourier Tranforms with Python (Aug, 2015) Retrieving Channel Data from YouTube in Python (Sept, 2013)
Running Digital Micrograph on Linux or Mac OSX (Jan, 2012)
Running MIT Photonic Bands (MPB) on Windows (Aug, 2008)

Short Tutorial & Tips

Accessing Journals in Papers2 via Cornell Proxy (Sept, 2011)
Rotate and Swap Axis in Matlab Plots (May, 2010)