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

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

Moscarda

#!/bin/sh

# 90% from http://mths.be/osx

# ask for admin password upfront
sudo -v

# Keep-alive: update existing `sudo` time stamp until `.osx` has finished
while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &

cassidoo

If you don't want to deal with styling a mostly text-based HTML document, plop these lines in and it'll look good:

html {
  font-family: 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
  font-size: 1.3em;
  max-width: 40rem;
  padding: 2rem;
  margin: auto;
 line-height: 1.5rem;

stenuto

#!/bin/bash

# Function to display usage information
usage() {
    echo "Usage: $0 /path/to/input.mp4 [ /path/to/output_directory ]"
    exit 1
}

# Check if at least one argument (input file) is provided
if [ $# -lt 1 ]; then