Jivko Kolev jivkok

Cheatsheet for image / video metadata manipulation.

Last updated 2019-07-24

Disclaimer

until more specific license...

THE CONTENT BELOW IS PROVIDED "AS-IS",
WE DISCLAIM LIABILITY FOR ALL USES TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW.

Basic Vagrant Operating Commands
Vagrant Alias For Bash Shell

Mac web developer apps

This gist's comment stream is a collection of webdev apps for OS X. Feel free to add links to apps you like, just make sure you add some context to what it does — either from the creator's website or your own thoughts.

— Erik

Base installations

sudo apt-get install blueman build-essentials calcurse chromium-browser cpufrequtils gnupg2 gparted hfsprogs imagemagick linux-tools-common lxappearance mplayer rtorrent ruby skype ubuntu-restricted-essentials urlview vagrant vim xclip

System Configurations

Lastpass

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

	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

	@echo off
	:: http://weblogs.asp.net/jgalloway/archive/2006/11/20/top-10-dos-batch-tips-yes-dos-batch.aspx
	echo %%~1 = %~1
	echo %%~f1 = %~f1
	echo %%~d1 = %~d1
	echo %%~p1 = %~p1
	echo %%~n1 = %~n1
	echo %%~x1 = %~x1
	echo %%~s1 = %~s1
	echo %%~a1 = %~a1

	// Declare enums like so:
	#define IMAGE_STATUS(XX) \
	XX(kDOImageStatusOK, = 0) \
	XX(kDOImageStatusCached, )\
	XX(kDOImageStatusRetry, )
	DECLARE_ENUM(DOImageStatus, IMAGE_STATUS)