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Hello, is this Turing?

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Hello, is this Turing?
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@rossant
rossant / raytracing.py
Last active December 24, 2023 12:50
Very simple ray tracing engine in (almost) pure Python. Depends on NumPy and Matplotlib. Diffuse and specular lighting, simple shadows, reflections, no refraction. Purely sequential algorithm, slow execution.
"""
MIT License
Copyright (c) 2017 Cyrille Rossant
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
@manojpandey
manojpandey / rgb2lab.py
Created August 12, 2016 10:34
RGB to CIELab color space conversion
# RGB to Lab conversion
# Step 1: RGB to XYZ
# http://www.easyrgb.com/index.php?X=MATH&H=02#text2
# Step 2: XYZ to Lab
# http://www.easyrgb.com/index.php?X=MATH&H=07#text7
def rgb2lab(inputColor):
@protrolium
protrolium / ffmpeg.md
Last active May 15, 2024 18:27
ffmpeg guide

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

@tayvano
tayvano / gist:6e2d456a9897f55025e25035478a3a50
Created February 19, 2017 05:29
complete list of ffmpeg flags / commands
Originall From: Posted 2015-05-29 http://ubwg.net/b/full-list-of-ffmpeg-flags-and-options
This is the complete list that’s outputted by ffmpeg when running ffmpeg -h full.
usage: ffmpeg [options] [[infile options] -i infile]… {[outfile options] outfile}…
Getting help:
-h — print basic options
-h long — print more options
-h full — print all options (including all format and codec specific options, very long)
@primaryobjects
primaryobjects / m3u8.md
Last active May 20, 2024 21:27
How to download m3u8 and ts video movie streams.

m3u8 Downloading

  1. Open Chrome Developer tools and click the Network tab.
  2. Navigate to the page with the video and get it to start playing.
  3. Filter the list of files to "m3u8".
  4. Find master.m3u8 or index.m3u8 and click on it.
  5. Save the file to disk and look inside it.
  6. If the file contains a single m3u8 master url, copy that one instead.
  7. Run the program m3u8x.
  8. Paste the same m3u8 url in both textboxes (URL and Quality URL) and click "Headers" and set the referral url and user-agent from the request as found in Chrome.