junjizhi

# Returns all db files sorted by modified time. Usually the last one is your sqlite db file. 
gfind /Users/<username>/Library/Developer/CoreSimulator/Devices/ -name "*.db" -printf "%T+\t%p\n" | sort

pixeline

# This is a template .gitignore file for git-managed WordPress projects.
#
# Fact: you don't want WordPress core files, or your server-specific
# configuration files etc., in your project's repository. You just don't.
#
# Solution: stick this file up your repository root (which it assumes is
# also the WordPress root directory) and add exceptions for any plugins,
# themes, and other directories that should be under version control.
#
# See the comments below for more info on how to add exceptions for your

jboner

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