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i3 Window Manager Cheat Sheet

$mod refers to the modifier key (window/command or alt by default depending on config)

General

• startx i3 start i3 from command line
• $mod+<Enter> open a terminal
• $mod+d open dmenu (text based program launcher)
• $mod+r resize mode ( or to leave resize mode)
• $mod+shift+e exit i3

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ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

• Ctrl-Key: ^[
• Octal: \033
• Unicode: \u001b
• Hexadecimal: \x1b
• Decimal: 27

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Unicode table - List of most common Unicode characters *
* This summary list contains about 2000 characters for most common ocidental/latin languages and most printable symbols but not chinese, japanese, arab, archaic and some unprintable.
Contains character codes in HEX (hexadecimal), decimal number, name/description and corresponding printable symbol.
What is Unicode?

Unicode is a standard created to define letters of all languages ​​and characters such as punctuation and technical symbols. Today, UNICODE (UTF-8) is the most used character set encoding (used by almost 70% of websites, in 2013). The second most used character set is ISO-8859-1 (about 20% of websites), but this old encoding format is being replaced by Unicode.
How to identify the Unicode number for a character?

Type or paste a character: 

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Curl

Postman

High-level - way to transfer data within terminal. We'll focus on HTTP functionality:

GET - literally get something POST - post something (save) PUT - update something DELETE - delete something

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Academy VIM Cheatsheet

Why VIM?

It's fast, free, open-source, basically installed everywhere, you can customize it however you want and you look swish with using terminal (remember Matrix?).

9/10 if you'll SSH into a server you'll have to use VIM so why not to learn it and use it daily?

Basics

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tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

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Get your instance HERE

Join the support channel HERE

Find more from the author @ akondas.com

Vim

Save and/or quit

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float decel(float x) { // as an easing function
  return 1-(x-1)*(x-1);
}

void setup() {
  background(255);
  size(750,750,P2D);
  PImage img = loadImage("image.png");
  strokeWeight(2);
  noFill();

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tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

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Tabs and Windows

Function	Shortcut
New Tab	⌘ + T
Close Tab or Window	⌘ + W (same as many mac apps)
Go to Tab	⌘ + Number Key (ie: ⌘2 is 2nd tab)
Go to Split Pane by Direction	⌘ + Option + Arrow Key
Cycle iTerm Windows	⌘ + backtick (true of all mac apps and works with desktops/mission control)