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andyhd / System Design.md
Created September 20, 2017 15:06 — forked from vasanthk/System Design.md
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
@andyhd
andyhd / world.js
Created April 18, 2012 09:12 — forked from nefarioustim/world.js
render with one loop
function drawMap(map) {
var x, y,
width = map[0].length,
current_node = map.length * width;
while (current_node--) {
x = current_node % width;
y = ~~(current_node / width);
drawTile({
x: x,
y: y