my personal cheat sheet

README.md

Making this for my personal use.

For Markdown Syntax Cheat Sheet, access here. And for Github Flavored, here.

etc.md

Others

Online Colaborative Editors

Nitrous

https://www.nitrous.io/

Codebox

https://www.codebox.io/

javascript.md

Javascript

Table of Contents

Coding Style

• Google JavaScript Style Guide ^{(for Closure)}
• JavaScript (and jQuery) development style guide by i-like-robots
• Javascript Standards and Patterns by jcreamer898

linux.md

Linux

For a complete one, access here.

Table of Contents

1. Linux Command Line
2. Images
3. Screen
4. Node

## Linux (command line)

print file content

cat {filename}

replace content of a file

echo '{content}' > {filename}

append content to a file

echo '{content}' >> {filename}

replace in file

sed -i 's/{from}/{to}/g' {filename}

less with colors (raw input)

less -r

show directories on current folder

ls -d */

show directory tree

tree -d -C -I "[0-9]*"

_{* only directories, colored, excluding numeric one. require to install tree.}

watch + ls (with columns) with colors

watch --color "ls -C --color"

less + ls (with columns) with colors

ls -C --color | less -r

folder size

du -hs /folder/path/

list directories recursively

find . -type d

list files *.ext recursively without "./"

find . -iname '*.ext' -printf '%P\n'

watch for 15 seconds files created in 2 minutes

watch -n 15 find . -cmin -2

list all files inside folder

tree -if ${PWD}

find string in files

grep "string" ./*.ext

find string in files recursive

grep -r "string" .

open grep in text editor

grep -l "string" . | xargs subl

copy terminal output to clipboard

echo "a" | xclip -selection clipboard

_{* require to install xclip.}

tar.7z

compress

tar cf - {directory} | 7za a -si {directory}.tar.7z

uncompress

7za x -so {directory}.tar.7z | tar xf

Encoding

See encoding

file -i {file}

With iconv

iconv -f l1 -t utf8 -o {filename.new} {filename}

_{* require iconv installed. New filename must not have same name as filename.}

With recode

recode l1..u8 *.csv

_{* require recode installed. Can do batch change of encoding.}

### Images

Convert png files to jpg

for f in *.png; do convert "$f" "${f/%png/jpg}"; done

_{* require Imagemagick installed.}

Optimize jpeg files

jpegoptim [files]

_{* require jpegoptim installed.}

### Screen

create session

screen -S {sessionname}

list all sessions

screen -list

or

screen -ls

detach screen

Command: ^A, d

### Node

_source: http://stackoverflow.com/questions/352098/how-can-i-pretty-print-json

print json on Console

node -e "console.log(JSON.stringify(JSON.parse(process.argv[1]), null, '\t'));" '{"foo":"lorem","bar":"ipsum"}'

pretty print json file

node -e "console.log(JSON.stringify(JSON.parse(require('fs').readFileSync(process.argv[1])), null, 4));" filename.json

pretty print jsonp file

node -e "global[process.argv[2]] = function (a) {console.log(JSON.stringify(a, null, 4));};require(process.argv[1]);" './filename.js' 'callback'

screen.md

Screen

Table of Contents

1. Commands

## Commands

Create new session

screen -S <session_name>

List sessions

screen -list

screen -ls

Reattach to a running session

screen -x

Reattach to named session

screen -x <session_name>

Ultimate attach

screen -dRR

Internal commands

Always preceeded with Ctrl+a:

• ? Help
• * Window list
• c Create new window
• 0 Open window 0
• S Split horizontal
• | Split vertical
• A Rename region
• tab Switch focus between splitted regions
• X Close current region
• Q Close all regions except current one
• d Dettach current session

subl2.textile

Copied from here

Sublime Text 2 – Useful Shortcuts (PC)

Loosely ordered with the commands I use most towards the top. Sublime also offer full documentation.

Editing

Ctrl+C	copy current line (if no selection)
Ctrl+X	cut current line (if no selection)
Ctrl+⇧+K	delete line
Ctrl+↩	insert line after
Ctrl+⇧+↩	insert line before
Ctrl+⇧+↑	move line (or selection) up
Ctrl+L	select line (repeat to select next lines)
Ctrl+D	select word (repeat select others occurrences in context for multiple editing)
Ctrl+M	jump to closing bracket for current code, repeat to jump to opening bracket
Ctrl+⇧+M	select all contents of the current brackets (curly brackets, square brackets, parentheses)
Ctrl+KK	delete from cursor to end of line
Ctrl+K+⌫	delete from cursor to start of line
Ctrl+]	indent current line(s)
Ctrl+[	un-indent current line(s)
Ctrl+⇧+D	duplicate line(s)
Ctrl+J	join line below to the end of the current line
Ctrl+ /	comment/un-comment current line
Ctrl+⇧+/	block comment current selection
Ctrl+Y	redo, or repeat last keyboard shortcut command
Ctrl+⇧+V	paste and indent correctly
Ctrl+Space	select next auto-complete suggestion
Ctrl+U	soft undo (somehow undoes your movements; it jumps to your last change before undoing it when you repeat this command)

Navigation/Goto Anywhere

Ctrl+P	quick-open files by name in your project (doesn’t seem to need an actual project set up, it just searches in the directories around the currently-opened file
Ctrl+R	goto symbol (functions and classes) in the file. Same as Ctrl+P, then type @
Ctrl+;	goto word in current file. Same as Ctrl+P, then type #
Ctrl+G	goto line in current file. Same as Ctrl+P, then type :

General

Ctrl+⇧+P	command prompt
Ctrl+KB	toggle side bar

Find/Replace

Ctrl+F	find
Ctrl+H	replace
Ctrl+⇧+F	find in files

Tabs

Ctrl+⇧+t	open last closed tab (just like in your browser)
Ctrl+PgDn	cycle down through open tabs, cycle up with Ctrl+PgUp
Ctrl+⇆	cycle through last tabs (repeat to go back further in history)

Split window

Alt+⇧+2	split into two columns
Alt+⇧+1	revert to single column
Alt+⇧+5	grid (4 groups)
Ctrl+[1,2,3,4]	jump to “group” (pane)
Ctrl+⇧+[1,2,3,4]	move file to specified group

Bookmarks

Ctrl+F2	toggle bookmark
F2	next bookmark
⇧+F2	previous bookmark
Ctrl+⇧+F2	clear bookmarks

Text manipulation

Ctrl+KU	upper case
Ctrl+KL	lower case

vim.md

ViM

Usage

Basic Usage

• :q - Exit
• :q! - Exit force
• :w - Write
• :wq or ZZ - Write & Quit
• h j k l - Navigation (Visual Editor)

Plugins

Emmet-vim

Open or create a New File:

vim index.html

New HTML5 file ("_" is the cursor position):

html:5_

Then <c-y>,.