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System Design Cheatsheet

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

Basic Steps

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?

Office 2021

Method 1: Using my command line

Step 1.1: Open cmd program with administrator rights.

First, you need to open cmd in the admin mode, then run all commands below one by one.

Step 1.2: Get into the Office directory in cmd.

For x86 and x64

cd /d %ProgramFiles(x86)%\Microsoft Office\Office16
cd /d %ProgramFiles%\Microsoft Office\Office16

Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

General rules

Follow standard conventions.
Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
Boy scout rule. Leave the campground cleaner than you found it.
Always find root cause. Always look for the root cause of a problem.

Design rules

Change Arc Browser Icon

A collection of commands that change the Arc Browser icon.

Commands

Theme	Command
Candy Arc	`defaults write company.thebrowser.Browser currentAppIconName candy`

Руководство по оформлению Markdown файлов

Markdown - это облегчённый язык разметки, который преобразует текст в структурированный HTML. Следующее руководство поможет вам разобраться, как использовать Markdown.

Заголовки

# Заголовок первого уровня
## Заголовок второго уровня
### Заголовок третьего уровня
#### Заголовок четвёртого уровня
##### Заголовок пятого уровня

Rails API-Only Social Login

This is another piece of code I've extrapolated from a Ruby on Rails project I'm currently working on. The code implmenets social login with a RoR API-based application, targeted at API clients.

The setup does not involve any browser-redirects or sessions as you would have to use working with Omniauth. Instead, what it does is takes an access_token generated on client-side SDKs, retireves user info from the access token and creates a new user and Identity in the database.

This setup works with native applications as described in the Google iOS Sign In Docs (see Authenticating with a backend server)

	import java.io.BufferedReader;
	import java.io.FileNotFoundException;
	import java.io.FileReader;

	import com.google.gson.Gson;


	public class GsonTest {

	public static void main(String[] args) throws FileNotFoundException {

	/// Returns `(source, transform(source.pointee))` and destroys `source.pointee`.
	///
	/// This is a low-level utility for creating mutable projections of values without
	/// causing needless copy-on-write.
	///
	/// Typical usage:
	///
	/// func f(x: inout X) { // inout means we have exclusive access to `x`.
	/// var (xAddress, xFrobnication)
	/// = unsafeMoveMap(destroying: &x) { x.frobnication() }

	# .gitignore for Unreal Engine projects with embedded Wwise projects
	# This is a work in progress, please report any issues to Quin Henshaw

	# Unreal
	Binaries/
	DerivedDataCache/
	Intermediate/
	Plugins/*/Intermediate/
	Saved/
	Build/

	#! /bin/bash

	GCC_VERSION="5.2.0"
	WORKDIR="$HOME/src/"
	INSTALLDIR="/platform"

	## NOTE: XCode must be installed (through App Store) and the following run to install command-line tools.
	## THIS IS IMPORTANT! Among other things, it creates '/usr/include' and installs the system header files.
	# xcode-select --install