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@randrews
randrews / lua_map.c
Created April 23, 2011 22:16
Example of embedding Lua in C
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#include <stdlib.h>
int map_create(lua_State *lua);
int map_slice(lua_State *lua);
int main(int argc, char **argv){
lua_State *lua = lua_open();
@tmpvar
tmpvar / opengl-learning.md
Created August 13, 2011 23:00
Opengl factoids
@bortels
bortels / Base64.lua
Created December 6, 2011 05:56
Base64 encode/decode for Codea (Lua)
-- Lua 5.1+ base64 v3.0 (c) 2009 by Alex Kloss <[email protected]>
-- licensed under the terms of the LGPL2
-- character table string
local b='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
-- encoding
function enc(data)
return ((data:gsub('.', function(x)
local r,b='',x:byte()
Installing Arch:
sudo vim /etc/pacman.conf
Update packages list: sudo pacman -Syy
run sudo pacman -Syu before installing any software (to update the repositories first)
* Timing issue:
- Change hardware clock to use UTC time:
sudo timedatectl set-local-rtc 0
@nicktoumpelis
nicktoumpelis / repo-rinse.sh
Created April 23, 2014 13:00
Cleans and resets a git repo and its submodules
git clean -xfd
git submodule foreach --recursive git clean -xfd
git reset --hard
git submodule foreach --recursive git reset --hard
git submodule update --init --recursive
@yi
yi / gist:01e3ab762838d567e65d
Created July 24, 2014 18:52
lua hex <= => string
function string.fromhex(str)
return (str:gsub('..', function (cc)
return string.char(tonumber(cc, 16))
end))
end
function string.tohex(str)
return (str:gsub('.', function (c)
return string.format('%02X', string.byte(c))
end))
using UnityEngine;
using System.Collections;
using System.Collections.Generic;
public class BezierCurveScript : MonoBehaviour {
public class BezierPath
{
public List<Vector3> pathPoints;
private int segments;
@yufengwng
yufengwng / arch_cheatsheet.txt
Last active November 9, 2024 23:45
Arch Linux Commands Cheatsheet
pacman
======
view logs: /var/log/pacman.log
update system
# pacman -Syu
list installed packages
# pacman -Q
@stakira
stakira / luajit_mat2d.c
Last active September 26, 2021 12:08
LuaJIT FFI 2D matrix with continuously allocated data array.
#include <cinttypes>
extern "C" {
__declspec(dllexport) void array_to_mat2d_byte(unsigned char* data, unsigned char** mat, size_t w, size_t h) {
for (size_t i = 0; i < w; ++i) {
mat[i] = data + h * i;
}
}
@ertseyhan
ertseyhan / remount.sh
Created February 2, 2016 20:51
Temporarily increase size of tmp folder on Arch linux
#!/bin/bash
sudo mount -o remount,size=10G,noatime /tmp
echo "Done. Please use 'df -h' to make sure folder size is increased."