jFransham

Achieving warp speed with Rust

Contents:

• Number one optimization tip: don't
• Never optimize blindly
• Don't bother optimizing one-time costs
• Improve your algorithms
• CPU architecture primer
• Keep as much as possible in cache
• Keep as much as possible in registers

tterb

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tokhi

#Unix Toolbox

This document is a collection of Unix/Linux/BSD commands and tasks which are useful for IT work or for advanced users. This is a practical guide with concise explanations, however the reader is supposed to know what s/he is doing.

##Unix Toolbox revision 14.4

The latest version of this document can be found at http://cb.vu/unixtoolbox.xhtml. Replace .xhtml on the link with .pdf for the PDF version and with .book.pdf for the booklet version. On a duplex printer the booklet will create a small book ready to bind. This XHTML page can be converted into a nice PDF document with a CSS3 compliant application (see the script example). See also the about page.
Error reports and comments are m

capezotte

Replacing udev on Artix Linux

Reminder this is UNSUPPORTED. Reproduce bugs on a stock install with xudev/eudev before reporting them.

Preparations

Do not reboot until you've done them all.

Step 1 - remove udev

Rabios

// Draws a texture in 3D space with pro parameters...
void DrawTexturePro3D(Texture2D texture, Rectangle sourceRec, Rectangle destRec, Vector3 origin, float rotation, float posZ, Color tint)
{
    // Check if texture is valid
    if (texture.id > 0)
    {
        float width = (float)texture.width;
        float height = (float)texture.height;
        
        bool flipX = false;

lh3

#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include "getopt.h"

char *optarg;
int optind=1, opterr=1, optopt, __optpos, optreset=0;

#define optpos __optpos

Rabios

-- Written by Rabia Alhaffar in June 14, 2021
-- Simple script to detect some operating systems and CPU architecture via Lua! ;)
-- Updated: June 14, 2021
-- Also, I would thank NickWilde263 and Nameless on GitHub for their suggestions! <3

-- https://github.com/NickWilde263
-- https://github.com/truemedian

local sys = {
  arch = "UNKNOWN",

Rabios

public static class Rectangle extends Raylib.Rectangle {
    public Rectangle() {
        super();   
    }
    public Rectangle(float x, float y, float width, float height) {
        x(x);
        y(y);
        width(width);
        height(height);
    }

Rabios

-- Written by Rabia Alhaffar in 26/September/2020
-- Simple way to get biggest and smallest number from table in Lua
local function bignum(t)
  local _ = -math.huge
  for i in ipairs(t) do
    if (t[i] >= _) then
      _ = t[i]
    end
  end
  return _

Rabios

-- Written by Rabia Alhaffar in 27/September/2020
-- Even or Odd example
local function even(a)
  if ((a % 2) == 0) then
    return true
  else
    return false
  end
end