vasanthk

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?

jiggzson

/**
 * Removes the minus sign from the beginning of the string
 *
 * @param str
 * @returns an array with the first item as true if a minus
 * was found and the string minus the minus sign.
 */
function stripSign(str) {
    // Check if it has a minus sign
    let hasMinus = str.charAt(0) === '-';