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@m-ou-se
m-ou-se / replace-debian-with-arch.txt
Last active October 22, 2023 12:16
Instructions to replace a live Debian installation with Arch
# Download latest archlinux bootstrap package, see https://www.archlinux.org/download/
wget 'ftp://ftp.nluug.nl/pub/os/Linux/distr/archlinux/iso/latest/archlinux-bootstrap-*-x86_64.tar.gz'
# Make sure you'll have enough entropy for pacman-key later.
apt-get install haveged
# Install the arch bootstrap image in a tmpfs.
mount -t tmpfs none /mnt
cd /mnt
tar xvf ~/archlinux-bootstrap-*-x86_64.tar.gz --strip-components=1
@vkostyukov
vkostyukov / statuses.md
Last active February 13, 2024 21:39
HTTP status codes used by world-famous APIs
API Status Codes
[Twitter][tw] 200, 304, 400, 401, 403, 404, 406, 410, 420, 422, 429, 500, 502, 503, 504
[Stripe][stripe] 200, 400, 401, 402, 404, 429, 500, 502, 503, 504
[Github][gh] 200, 400, 422, 301, 302, 304, 307, 401, 403
[Pagerduty][pd] 200, 201, 204, 400, 401, 403, 404, 408, 500
[NewRelic Plugins][nr] 200, 400, 403, 404, 405, 413, 500, 502, 503, 503
[Etsy][etsy] 200, 201, 400, 403, 404, 500, 503
[Dropbox][db] 200, 400, 401, 403, 404, 405, 429, 503, 507
@daurnimator
daurnimator / main.c
Created June 1, 2015 04:17
Linux fork detection using thread specific keyrings.
$ gcc main.c -lkeyutils && ./a.out
15904 1
15904 0
15904 0
15904 0
15905 1
15906 1
15905 0
15906 0
15907 1
@stevepereira
stevepereira / Idempotent migration in MySQL example
Last active July 22, 2020 07:24 — forked from jeremyjarrell/Idempotent migration in MySQL example
DELIMITER $$
DROP PROCEDURE IF EXISTS add_email_address_column_to_customers_table $$
-- Create the stored procedure to perform the migration
CREATE PROCEDURE add_email_address_column_to_customers_table()
BEGIN
-- Add the email_address column to the customers table, if it doesn't already exist
@dannguyen
dannguyen / face-boxer-usage.md
Last active July 29, 2023 22:05
A face-detection script in Python

This face-boxer.py script is more-or-less the same code that you'll find in the OpenCV tutorial: Face Detection using Haar Cascades. For another variation, with more explanation, check out RealPython's tutorial.

Usage

The face-boxer.py script is designed to be run from the command-line. It has two required arugments:

  1. The path to a XML file containing a Haar-cascade of visual features. In this example, it will be the features that make up a face.
  2. The path to an image file that you want to perform face-detection on. You can pass in more than one image file as space-separated arguments.
@hitsumabushi
hitsumabushi / default
Last active September 21, 2020 09:12
Preseed Files : working with Wheezy & Ubuntu 14.04
# D-I config version 2.0
default debian/7.4/amd64/boot-screens/vesamenu.c32
prompt 1
timeout 300
menu title - Boop Menu -
label Debian-7.4
menu label ^0 Debian 7.4
#include debian/7.4/amd64/boot-screens/menu.cfg
kernel debian/7.4/amd64/linux
@liquidgecka
liquidgecka / cron_helper.sh
Last active September 28, 2023 15:35
Cron helper
#!/bin/bash
usage() {
cat << EOF
Usage: $0 [OPTION]... COMMAND
Execute the given command in a way that works safely with cron. This should
typically be used inside of a cron job definition like so:
* * * * * $(which "$0") [OPTION]... COMMAND
Arguments:
@stringertheory
stringertheory / threes_simulation.py
Last active June 26, 2023 14:00
A quicky python script to simulate random pushes in the Threes game at threesjs.com, as described in http://datascopeanalytics.com/what-we-think/2014/03/13/are-you-really-any-good-at-threes
# standard library
import sys
import random
import time
# need to pip install selenium
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.common.exceptions import NoSuchElementException
@badboy
badboy / inthash.md
Last active May 5, 2024 11:39
Original link: http://www.concentric.net/~Ttwang/tech/inthash.htm, Taken from: http://web.archive.org/web/20071223173210/http://www.concentric.net/~Ttwang/tech/inthash.htm, Reformatted using pandoc
@willurd
willurd / web-servers.md
Last active May 7, 2024 14:57
Big list of http static server one-liners

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000