kirk86

Latency Comparison Numbers
--------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

kirk86

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

kirk86

Emacs cheatsheet

• C-x C-c End emacs session
• C-g Partially quit entered command

---

• C-v Move forward one screenful
• M-v Move backward one screenful
• C-l Move the text around the cursor to the center of the screen. Also, it clears the screen and redisplay all the text

kirk86

#Git - Cheatsheet

###Create Repo git init

###Fork (Copy) existing Repo git clone repo name

###Branching You should create a branch per feature. Create a branch.

kirk86

#Vim

###Índice

• Xeral
• Mover
• Modo comandos
• Modo insertar
• Modo visual
• Buscar e reemprazar

kirk86

 ____    _    ____  _   _    ____ _                _       _               _
| __ )  / \  / ___|| | | |  / ___| |__   ___  __ _| |_ ___| |__   ___  ___| |_
|  _ \ / _ \ \___ \| |_| | | |   | '_ \ / _ \/ _` | __/ __| '_ \ / _ \/ _ \ __|
| |_) / ___ \ ___) |  _  | | |___| | | |  __/ (_| | |_\__ \ | | |  __/  __/ |_
|____/_/   \_\____/|_| |_|  \____|_| |_|\___|\__,_|\__|___/_| |_|\___|\___|\__|

kelvinchan.ca

Comparison
==========

kirk86

vim cheatsheet

Delete newline

J

Go to require:

gf

kirk86

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

kirk86

bash cheatsheet

some stuff I still need to memorize

c-a	move to beginning of line

kirk86

Bash

Checkout a specific version

svn co <url> -r version

Redirect all the verbose to the /dev/null file.

The null device discards all data written to it but reports that the write operation has succeeded. Typically used for disposing of unwanted output streams of a process: