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?

lopspower

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

Download This sample on Google Play Store

fntlnz

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

prof3ssorSt3v3

-- phpMyAdmin SQL Dump
-- version 4.8.5
-- https://www.phpmyadmin.net/
--
-- Host: localhost:8889
-- Generation Time: May 20, 2019 at 06:28 PM
-- Server version: 5.7.25
-- PHP Version: 7.3.1

SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";

crnisamuraj

### Fading
fading = true;
fade-in-step = 0.06;
fade-out-ste = 0.06;
fade-delta = 3;
fade-exclude = [
	"class_g = 'yakuake'"
]

### Opacity

jwmcgettigan

#!/usr/bin/env python3

# Copyright © 2023 Justin McGettigan
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software
# and associated documentation files (the “Software”), to deal in the Software without
# restriction, including without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all copies or