This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
Johnny Wang chianingwang
zackmdavis
/ reed_solomon.py
Created
April 17, 2015 18:56
extremely simplified Reed-Solomon coding in Python 3
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| from string import ascii_uppercase | |
| ALPHABET = " "+ascii_uppercase | |
| CHAR_TO_INT = dict(zip(ALPHABET, range(27))) | |
| INT_TO_CHAR = dict(zip(range(27), ALPHABET)) | |
| def pad(message, chunk_size): | |
| return message + ' '*(chunk_size - len(message) % chunk_size) | |
| def unpad(message): |
dergachev
/ GIF-Screencast-OSX.md
Last active
October 31, 2025 16:45
OS X Screencast to animated GIF