Rajib Ahmed rajibdpi

System Design Cheatsheet

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

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?

	/**
	*
	* Input any number in Bengali and the following function will return the English number.
	*
	*/

	function bn2enNumber ($number){
	$search_array= array("১", "২", "৩", "৪", "৫", "৬", "৭", "৮", "৯", "০");
	$replace_array= array("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
	$en_number = str_replace($search_array, $replace_array, $number);

	# This is a basic workflow to help you get started with Actions

	name: Build, Release app to Github Pages and Firebase Hosting
	# name: Test, Build and Release apk
	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the master branch
	on:
	push:
	branches:
	- master

	Source:
	https://docs.microsoft.com/en-us/DeployOffice/vlactivation/gvlks

	GVLKs for Office 2019
	=====================

	Office Professional Plus 2019
	NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP

	Office Standard 2019

	How to get HEVC Video Extensions from Device Manufacturer for free 2023:

	1: Go to https://store.rg-adguard.net/

	2: Select ProductID and paste in 9n4wgh0z6vhq then press ✔ to search

	3: Select right one for your cpu type and download the .appx file then install by clicking on the file

	enjoy

	# 1. Change owner of /var/www/html directory to apache user, here: www-data
	sudo chown -R www-data:www-data /var/www/html

	# 2. Allow Group to edit
	sudo chmod -R 775 /var/www/html

	# 3. Add yourself to apache group(www-data)
	sudo usermod -a -G www-data ${USER}

	#!/bin/bash

	# Author: NakamuraOS <https://github.com/nakamuraos>
	# Latest update: 06/24/2024
	# Tested on Navicat 15.x, 16.x, 17.x on Debian, Ubuntu.

	BGRED="\e[1;97;41m"
	ENDCOLOR="\e[0m"

	echo -e "${BGRED} ${ENDCOLOR}"