vlkv

0 = Success
1 = Operation not permitted
2 = No such file or directory
3 = No such process
4 = Interrupted system call
5 = Input/output error
6 = No such device or address
7 = Argument list too long
8 = Exec format error

vlkv

import static java.lang.Math.atan;
import static java.lang.Math.cos;
import static java.lang.Math.sin;

public class FFT4g {
	private int[] ip;
	private double[] w;
	private int n;
	
	FFT4g(int n) {

vlkv

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?