Clean Old Linux Kernels (Ubuntu)

dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge

Credit: http://ubuntugenius.wordpress.com/2011/01/08/ubuntu-cleanup-how-to-remove-all-unused-linux-kernel-headers-images-and-modules/

Updating R from R (on Windows) – using the {installr} package

http://www.r-statistics.com/2013/03/updating-r-from-r-on-windows-using-the-installr-package/

HTML URL Decoder/Encoder:

http://meyerweb.com/eric/tools/dencoder/

Dependency Walker 2.2

Dependency Walker is a free utility that scans any 32-bit or 64-bit Windows module (exe, dll, ocx, sys, etc.) and builds a hierarchical tree diagram of all dependent modules.

http://www.dependencywalker.com/

100 Great Google Docs Tips for Students & Educators

https://docs.google.com/document/d/1jynk1wLDf89qpTrF3S8XPNaMJB9ua29M9haSx4dZtPU/edit

Randomly Rename Every File in a Directory

http://www.howtogeek.com/57661/stupid-geek-tricks-randomly-rename-every-file-in-a-directory/

URL Encode and Decode Tool

http://www.url-encode-decode.com/