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@natelandau
natelandau / .bash_profile
Last active March 5, 2026 04:09
Mac OSX Bash Profile
# ---------------------------------------------------------------------------
#
# Description: This file holds all my BASH configurations and aliases
#
# Sections:
# 1. Environment Configuration
# 2. Make Terminal Better (remapping defaults and adding functionality)
# 3. File and Folder Management
# 4. Searching
# 5. Process Management
@jboner
jboner / latency.txt
Last active March 14, 2026 05:20
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
@gf3
gf3 / ago.js
Created June 2, 2011 18:43
Super small relative dates
module.exports = (function(){
const MS =
{ seconds: 1000
, minutes: 60 * 1000
, hours: 60 * 60 * 1000
, days: 24 * 60 * 60 * 1000
, weeks: 7 * 24 * 60 * 60 * 1000
, months: 30 * 7 * 24 * 60 * 60 * 1000
, years: 365 * 24 * 60 * 60 * 1000 }