mrhm-dev

// Recursive One
func plusOne(digits []int) []int {
	lastIndex := len(digits) - 1
	n := digits[lastIndex] + 1

	if (n < 10) {
		digits[lastIndex] = n
		return digits
	}

mrhm-dev

function findWinner() {
  const ss = SpreadsheetApp.openByUrl("spread-sheet-link");
  const sheet = ss.getSheets()[0];
  const values = sheet.getSheetValues(2, 1, 72, 9 );
  const rankValues = [
    {
      name: 'name',
      value: 0
    },
    {

mrhm-dev

// the main app file
import express from "express";
import loadDb from "./loadDb"; // dummy middleware to load db (sets request.db)
import authenticate from "./authentication"; // middleware for doing authentication
import permit from "./authorization"; // middleware for checking if user's role is permitted to make request

const app = express(),
      api = express.Router();

// first middleware will setup db connection

mrhm-dev

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?

mrhm-dev

How to install virtualenv:

Install pip first

sudo apt-get install python3-pip

Then install virtualenv using pip3

sudo pip3 install virtualenv 

mrhm-dev

# sets the proxy cache path location, max size 2g
proxy_cache_path  /data/nginx/cache  levels=1:2 keys_zone=STATIC:100m inactive=24h max_size=2g;

# transfers the `Host` header to the backend
proxy_set_header        Host $host;

# uses the defined STATIC cache zone
proxy_cache             STATIC;

# cache 200 10 minutes, 404 1 minute, others status codes not cached

mrhm-dev

Set which editor git should use.

This is the program that will open during a commit with no -m flag, a merge, a rebase, etc...

Select from any installed editor. Examples:

• emacs: emacs
• vi: vi or vim

mrhm-dev

const fs = require('fs');
const path = require('path');

const filePath = '/Users/hmnayem/Desktop/Demo';
const files = fs.readdirSync(filePath).filter((file) => file.endsWith('.png'));

let count = 54;
const extName = '.png';
files.forEach((file) => {
	const oldPath = path.join(filePath, file);

mrhm-dev

/* 
  ##Device = Desktops
  ##Screen = 1281px to higher resolution desktops
*/

@media (min-width: 1281px) {
  
  //CSS
  

mrhm-dev

this === global  // true
// In browser
this === window  // true