chitchcock

Stevey's Google Platforms Rant

I was at Amazon for about six and a half years, and now I've been at Google for that long. One thing that struck me immediately about the two companies -- an impression that has been reinforced almost daily -- is that Amazon does everything wrong, and Google does everything right. Sure, it's a sweeping generalization, but a surprisingly accurate one. It's pretty crazy. There are probably a hundred or even two hundred different ways you can compare the two companies, and Google is superior in all but three of them, if I recall correctly. I actually did a spreadsheet at one point but Legal wouldn't let me show it to anyone, even though recruiting loved it.

I mean, just to give you a very brief taste: Amazon's recruiting process is fundamentally flawed by having teams hire for themselves, so their hiring bar is incredibly inconsistent across teams, despite various efforts they've made to level it out. And their operations are a mess; they don't real

v-yarotsky

### INSTALLATION NOTES ###
# 1. Install Homebrew (https://github.com/mxcl/homebrew)
# 2. brew install zsh
# 3. Install OhMyZsh (https://github.com/robbyrussell/oh-my-zsh)
# 4. brew install reattach-to-user-namespace --wrap-pbcopy-pbpaste && brew link reattach-to-user-namespace
# 5. Install iTerm2
# 6. In iTerm2 preferences for your profile set:
#      Character Encoding: Unicode (UTF-8)
#      Report Terminal Type: xterm-256color
# 7. Put itunesartist and itunestrack into PATH

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

beekhof

Display the configuration

crmsh # crm configure show
pcs   # pcs cluster cib

Display the current status

crmsh # crm_mon -1
pcs   # pcs status

davidbalbert

###########################################
# IMPORTANT NOTE:
#
# As of asuswrt-merlin 380.67 Beta, you
# can now configure SSL certificates from
# the Webui, making these instructions
# unnecessary.
###########################################

adaugherity

#!/usr/bin/ruby
# Create display override file to force Mac OS X to use RGB mode for Display
# see http://embdev.net/topic/284710

require 'base64'

data=`ioreg -l -d0 -w 0 -r -c AppleDisplay`

edids=data.scan(/IODisplayEDID.*?<([a-z0-9]+)>/i).flatten
vendorids=data.scan(/DisplayVendorID.*?([0-9]+)/i).flatten

yuuichi-fujioka

sudo apt-get install qemu-utils
sudo modprobe nbd

sudo qemu-nbd --connect=/dev/nbd0 /full/path/to/qcow2/image/file

sudo mkdir /mnt/ubuntu

sudo mount /dev/nbd0p1 /mnt/ubuntu

junaid18183

#Source - http://www.haproxy.org/download/1.5/doc/configuration.txt 
# Section - 9.2. Unix Socket commands

#show stat [<iid> <type> <sid>]
# Dump statistics in the CSV format. By passing <id>, <type> and <sid>, it is
# possible to dump only selected items :
#   - <iid> is a proxy ID, -1 to dump everything
#   - <type> selects the type of dumpable objects : 1 for frontends, 2 for
#      backends, 4 for servers, -1 for everything. These values can be ORed,
#      for example:

ipedrazas

function drips(){
    docker ps -q | xargs -n 1 docker inspect --format '{{ .NetworkSettings.IPAddress }} {{ .Name }}' | sed 's/ \// /'
}