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@jboner
jboner / latency.txt
Last active July 24, 2024 10:11
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
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
@ihorvorotnov
ihorvorotnov / get-social-shares
Last active May 26, 2024 08:13
Get number of shares from social platforms
Facebook*:
https://api.facebook.com/method/links.getStats?urls=%%URL%%&format=json
+ works, returns shares, likes, comments and total
Twitter:
http://urls.api.twitter.com/1/urls/count.json?url=%%URL%%&callback=twttr.receiveCount
+ v1 API but still works
Reddit:
http://buttons.reddit.com/button_info.json?url=%%URL%%
{
"caret_extra_bottom": 2,
"caret_extra_top": 2,
"caret_extra_width": 1,
"caret_style": "phase",
"color_scheme": "Packages/Base16 Color Schemes/Themes/base16-oceanicnext.tmTheme",
"create_window_at_startup": false,
"ensure_newline_at_eof_on_save": true,
"fold_buttons": false,
"folder_exclude_patterns":
@udezekene
udezekene / O'Reilly Design Books (Free).md
Last active January 31, 2024 13:15 — forked from augbog/Free O'Reilly Books.md
Download the just released O'Reilly Design Books for free without e-mail signup.

Free O'Reilly Design Books and convenient script to just download them.

HUGE thanks to O'Reilly for making this resource free. Visit the design page if you want to learn more about the design resources. Also, they do have FREE resources for other topics like: Data, IoT, Programming, Security, Web Development, and WebOps.

Thanks @augbog for the initial gist. If you are a developer or looking for software engineering books, headover to the source of this fork.

How to use:

  1. Take the download.sh file and put it into a directory where you want the files to be saved.
  2. cd into the directory and make sure that it has executable permissions (chmod +x download.sh should do it)