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@jboner
jboner / latency.txt
Last active July 22, 2024 14:44
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
@brandonb927
brandonb927 / osx-for-hackers.sh
Last active July 20, 2024 05:10
OSX for Hackers: Yosemite/El Capitan Edition. This script tries not to be *too* opinionated and any major changes to your system require a prompt. You've been warned.
#!/bin/sh
###
# SOME COMMANDS WILL NOT WORK ON macOS (Sierra or newer)
# For Sierra or newer, see https://github.com/mathiasbynens/dotfiles/blob/master/.macos
###
# Alot of these configs have been taken from the various places
# on the web, most from here
# https://github.com/mathiasbynens/dotfiles/blob/5b3c8418ed42d93af2e647dc9d122f25cc034871/.osx
@willurd
willurd / web-servers.md
Last active July 22, 2024 15:25
Big list of http static server one-liners

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000
@dariusk
dariusk / botsummit.txt
Last active November 1, 2022 14:01
Bot Summit IRC Log
--- Log opened Sat Nov 24 17:02:40 2013
17:02 -!- igowen [~igowen@poop.io] has joined #botsummit
17:02 -!- Irssi: #botsummit: Total of 9 nicks [1 ops, 0 halfops, 0 voices, 8 normal]
17:02 -!- Irssi: Join to #botsummit was synced in 0 secs
17:03 dubbin_: i muted
17:03 -!- rustyk5 [~rusty@cpe-67-255-223-219.maine.res.rr.com] has joined #botsummit
17:03 rustyk5: hello fellow humans
17:03 dubbin_: greetings
17:04 -!- dubbin [183f9255@gateway/web/freenode/ip.24.63.146.85] has quit [Ping timeout: 250 seconds]
17:04 rustyk5: dubbin_: which one are you?
@silentbicycle
silentbicycle / handwarmer.c
Created January 2, 2014 17:53
handwarmer.c
/*
* Copyright (c) 2014 Scott Vokes <vokes.s@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
@garybernhardt
garybernhardt / gist:490f4e5a77e61b297284
Last active August 2, 2023 18:41
(Chapters marked with * are already written. This gets reorganized constantly
and 10 or so written chapters that I'm on the fence about aren't listed.)
Programmer Epistemology
* Dispersed Cost vs. Reduced Cost
* Verificationist Fallacy
* Mistake Metastasis
The Overton Window
Epicycles All The Way Down
The Hyperspace Gates Were Just There
@almccon
almccon / .block
Last active May 9, 2018 23:14 — forked from emeeks/d3map.css
BC Albers Terrain
license: mit
@garybernhardt
garybernhardt / gist:e4910b80e8ccda9f3538
Created October 29, 2014 19:45
find $(manpath | tr ':' '\n') -iname '*.1' | xargs cat | (LC_CTYPE=C tr -C '[:alnum:]-_' '\n') | egrep '^--[\-_[:alnum:]]+$' | sort | uniq -c | sort -n
@oakes
oakes / rust_for_clojurists.md
Last active July 19, 2024 10:18
Rust for Clojurists
@EvanLovely
EvanLovely / _show-url-schemes.sh
Last active June 30, 2019 20:01
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -dump | grep -B6 bindings:.*: