sudo apt install zsh-autosuggestions zsh-syntax-highlighting zsh
n1snt
/ Oh my ZSH with zsh-autosuggestions zsh-syntax-highlighting zsh-fast-syntax-highlighting and zsh-autocomplete.md
Last active
April 21, 2025 11:17
Oh my ZSH with zsh-autosuggestions zsh-syntax-highlighting zsh-fast-syntax-highlighting and zsh-autocomplete.md
safijari
/ numba_absolute_minimum.ipynb
Last active
March 14, 2025 13:18
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shubh-agrawal
/ rotationMat2Quaternion.cpp
Last active
October 25, 2023 13:59
OpenCV lacks a conversion function from rotation matrix to quaternion. In ROS applications, the rotation of a robot or link is generally described by 4 quaternion numbers. Some people might say that you have "tf" for all such transformations, but it requires your data to be of specific datatype. Here is a small function, that converts opencv Mat…
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| void getQuaternion(Mat R, double Q[]) | |
| { | |
| double trace = R.at<double>(0,0) + R.at<double>(1,1) + R.at<double>(2,2); | |
| if (trace > 0.0) | |
| { | |
| double s = sqrt(trace + 1.0); | |
| Q[3] = (s * 0.5); | |
| s = 0.5 / s; | |
| Q[0] = ((R.at<double>(2,1) - R.at<double>(1,2)) * s); |
mortennobel
/ SingleFileOpenGLTex.cpp
Last active
October 23, 2024 20:56
Single file OpenGL 3.3 / WebGL (using Emscripten) example with texture (SDL2 / SDL_Image 2)
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| // | |
| // Compile for emscripten using | |
| // emcc -Iinclude SingleFileOpenGLTex.cpp \ | |
| -O2 -std=c++14 -s TOTAL_MEMORY=33554432 -s USE_SDL_IMAGE=2 -s SDL2_IMAGE_FORMATS='["png"]' --preload-file examples/data -s USE_SDL=2 -o html/SingleFileOpenGLTex.html | |
| // where the following images must be located in a subfolder | |
| // - examples/data/test.png | |
| // - examples/data/cartman.png | |
| // - examples/data/cube-negx.png | |
| // - examples/data/cube-negz.png | |
| // |
EliCDavis
/ WebGLBitwiseFunctions.shader
Created
May 24, 2016 16:11
In absence of bitwise operators in WebGL 1.0, I used these methods as substitute.
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| // CAUTION / / / CAUTION / / / CAUTION / / / CAUTION / / / CAUTION / / / CAUTION / / / CAUTION / / / | |
| // Notice the for loops have a hardcoded values for how far they can go (32) | |
| // This is a result of WEBGL not allowing while loops. Change the value to what you find appropriate! | |
| // CAUTION / / / CAUTION / / / CAUTION / / / CAUTION / / / CAUTION / / / CAUTION / / / CAUTION / / / | |
| // | |
| // Hopefully this gives you the format for making your own operators such as XOR, NAND, etc. | |
| // | |
| // Adapted from this thread: | |
| // https://scratch.mit.edu/discuss/topic/97026/ |
mattatz
/ BitwiseOperations.glsl
Created
November 13, 2015 06:46
Bitwise operations without operators for glsl.
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| // BitwiseOperations.glsl | |
| const int BIT_COUNT = 8; | |
| int modi(int x, int y) { | |
| return x - y * (x / y); | |
| } | |
| int or(int a, int b) { | |
| int result = 0; |