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

felipecsl

sudo kill `ps -ax | grep 'coreaudiod' | grep 'sbin' |awk '{print $1}'`
# or...
sudo killall coreaudiod

jonschlinkert

Markdown cheatsheet

(Also see [remarkable][], the markdown parser created by the author of this cheatsheet)

Table of contents

• Standard features
  • Headings
  • Paragraphs

• Breaks

bobholt

This is a work in progress. If I missed something or someone, please let me know!

Best Practices

It's hard to recommend best practices in general without context, but basically, writing clean, readable code with lots of comments, and doing a lot of automated unit testing, followed by an automated build process using ANT or Grunt to concatenate and minify files is a start.

Twitter

I don't focus much on blogs any more. I focus more on Twitter. If the people I follow there recommend something, I'll go read it. Here's the best of my Twitter list, including developers, conferences, and interesting groups. There are other great developers on Twitter, but these tweet mostly about development:

Developers

• Ben Alman

DGivney

section .text
global _start

_start:
  xor eax, eax              ; init eax 0
  xor ebx, ebx              ; init ebx 0
  xor esi, esi              ; init esi 0
  jmp _socket               ; jmp to _socket

_socket_call:

tuxfight3r

Bash Shortcuts

Moving

command	description
ctrl + a	Goto BEGINNING of command line

alimbada

#Put this in Export-Chocolatey.ps1 file and run it:
#.\Export-Chocolatey.ps1 > packages.config
#You can install the packages using
#choco install packages.config -y

Write-Output "<?xml version=`"1.0`" encoding=`"utf-8`"?>"
Write-Output "<packages>"
choco list -lo -r -y | % { "   <package id=`"$($_.SubString(0, $_.IndexOf("|")))`" version=`"$($_.SubString($_.IndexOf("|") + 1))`" />" }
Write-Output "</packages>"

grugq

Simple Security Guidelines

Using an iDevice? (Best option)

• Use an iPod or an iPad without a SIM card
• Use an iPhone
• Do not jailbreak
• Always upgrade to new iOS versions
• Use Brave browser

Need Secure chat?

xvitaly

@echo off
echo Uninstalling KB3075249 (telemetry for Win7/8.1)
start /w wusa.exe /uninstall /kb:3075249 /quiet /norestart
echo Uninstalling KB3080149 (telemetry for Win7/8.1)
start /w wusa.exe /uninstall /kb:3080149 /quiet /norestart
echo Uninstalling KB3021917 (telemetry for Win7)
start /w wusa.exe /uninstall /kb:3021917 /quiet /norestart
echo Uninstalling KB3022345 (telemetry)
start /w wusa.exe /uninstall /kb:3022345 /quiet /norestart
echo Uninstalling KB3068708 (telemetry)

ocornut

Memory Optimization (Christer Ericson, GDC 2003)
http://realtimecollisiondetection.net/pubs/GDC03_Ericson_Memory_Optimization.ppt

Cache coherency primer (Fabian Giesen)
https://fgiesen.wordpress.com/2014/07/07/cache-coherency/

Code Clinic 2015: How to Write Code the Compiler Can Actually Optimize (Mike Acton)
http://gdcvault.com/play/1021866/Code-Clinic-2015-How-to