This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns
Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20 µs
SSD random read ........................ 150,000 ns = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs
body { | |
font-family: Helvetica, arial, sans-serif; | |
font-size: 14px; | |
line-height: 1.6; | |
padding-top: 10px; | |
padding-bottom: 10px; | |
background-color: white; | |
padding: 30px; } | |
body > *:first-child { |
<!-- http://bobjr.ru/hud/simulator.html --> | |
<div id="window"> | |
<div id="title"> | |
<div id="close"></div> | |
Applied Styles | |
</div> | |
<div id="content"> | |
<div class="row odd"></div> |