caidanw

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?

caidanw

Keybase proof

I hereby claim:

• I am caidanw on github.
• I am caidanwilliams (https://keybase.io/caidanwilliams) on keybase.
• I have a public key ASACy3CFm2kL0yjitlIeUmw0pHRzfOGF85BBWQv4VP8pLgo

To claim this, I am signing this object:

caidanw

{
  "meta": {
    "theme": "elegant",
    "canonical": "https://json.schemastore.org/resume",
    "version": "v1.0.0"
  },
  "basics": {
    "name": "Caidan Williams",
    "label": "Software Engineer",
    "picture": "https://drive.google.com/uc?export=view&id=1DMQe1CyDsSIqzQrHxHfu999p0hbOKsW8",

caidanw

public class PerfectSquare {
    public static void main(String[] args) {
        int min = 1;
        int max = 10000;
        int input = min + (int)(Math.random() * ((max - min) + 1));
        
        if(isPerfectSquare(input)) {
            System.out.println(input + " is a perfect square");
        }
        else {

caidanw

class LengthOfLastWord {
    public static void main(String[] args) {
        System.out.println(lengthOfLastWord("The longest word in any of the major English language dictionaries is pneumonoultramicroscopicsilicovolcanoconiosis"));
    }

    public static int lengthOfLastWord(String sentence) {
        String[] words = sentence.split(" ", -1);
        String lastWord = words[words.length - 1];
        return lastWord.length();
    }

caidanw

class Colors:
    PURPLE = '\033[95m'
    BLUE = '\033[94m'
    GREEN = '\033[92m'
    ORANGE = '\033[93m'
    RED = '\033[91m'
    END = '\033[0m'
    BOLD = '\033[1m'
    UNDERLINE = '\033[4m'

caidanw

#!/bin/bash
# title         : mkscript.sh
# description   : This script will make a header for a bash script.
# author        : Caidan Williams https://github.com/mildmelon
# date          : 2019-06-25
# version       : 1.4.7
# usage         : ./mkscript.sh
# notes         : Install Vim or NeoVim to open the created script.
# bash_version  : 5.0.3(1)-release
# ======================================================================================================================