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@gnarf
gnarf / ..git-pr.md
Last active June 20, 2025 11:04
git pr - Global .gitconfig aliases for Pull Request Managment

Install

Either copy the aliases from the .gitconfig or run the commands in add-pr-alias.sh

Usage

Easily checkout local copies of pull requests from remotes:

  • git pr 4 - creates local branch pr/4 from the github upstream(if it exists) or origin remote and checks it out
  • git pr 4 someremote - creates local branch pr/4 from someremote remote and checks it out
@adrienbrault
adrienbrault / purge.sh
Created September 24, 2012 10:02
Script to reduce VM size before packaging for vagrant
#!/bin/sh
# Credits to:
# - http://vstone.eu/reducing-vagrant-box-size/
# - https://github.com/mitchellh/vagrant/issues/343
aptitude -y purge ri
aptitude -y purge installation-report landscape-common wireless-tools wpasupplicant ubuntu-serverguide
aptitude -y purge python-dbus libnl1 python-smartpm python-twisted-core libiw30
aptitude -y purge python-twisted-bin libdbus-glib-1-2 python-pexpect python-pycurl python-serial python-gobject python-pam python-openssl libffi5
@GUI
GUI / install_vagrant_sudoers.sh
Created June 3, 2012 19:13
Allow Vagrant sudo-access without password for NFS-setup (for OS X)
#!/bin/bash
# Script for placing sudoers.d files with syntax-checking
# Making a temporary file to contain the sudoers-changes to be pre-checked
TMP=$(mktemp -t vagrant_sudoers)
cat /etc/sudoers > $TMP
cat >> $TMP <<EOF
# Allow passwordless startup of Vagrant when using NFS.
Cmnd_Alias VAGRANT_EXPORTS_ADD = /usr/bin/su root -c echo '*' >> /etc/exports
@jboner
jboner / latency.txt
Last active July 2, 2025 06:46
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
@fatbox
fatbox / djangomodule.py
Created January 28, 2012 14:22
Load Django modules from within a Salt module
"""
This allows you to import Django modules into a Salt module
"""
import logging
import sys
import os
log = logging.getLogger(__name__)
@ytaniike
ytaniike / 256colors_w_numbers.pl
Created June 1, 2011 13:39
Convenient for setting up tmux and other terminal software.
#!/usr/bin/perl
# displays the 256 colors specified in tmux's "colourNN" way.
# June, 1st 2011 by Yasunori Taniike (@ytaniike).
use strict;
use warnings;
my $prefix_bl = "\x1b[38;5;0;48;5;";
my $prefix_wl = "\x1b[38;5;15;48;5;";
my $suffix = "\x1b[0m";