Martin Pajuste pajusmar

security and hardening options for systemd service units

A common and reliable pattern in service unit files is thus:

NoNewPrivileges=yes
PrivateTmp=yes
PrivateDevices=yes
DevicePolicy=closed
ProtectSystem=strict

TestService

Windows Service with Python 3.5 and pyinstaller

Requirements

Python 3.5.x
Visual C++ Build Tools 2015
PyInstaller 3.2

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

Essential JavaScript Links

I no longer mantain this list. There are lots of other very comprehensive JavaScript link lists out there. Please see those, instead (Google "awesome JavaScript" for a start).

	#!/bin/env python3

	import argparse
	import base64
	import os
	import re
	import subprocess
	import sys
	from tempfile import mkstemp

	#!/usr/bin/env python3
	"""
	Apply database patches.

	Applied patches are recorded in the schema_patch table of the database.

	The dsn to connect to defaults to a local one (empty connection string). It can
	be chosen using the command line or an environment variable. Patches
	application is interactive by default.

	"""
	Custom django checks.

	H001: Field has no verbose name.
	H002: Verbose name should use gettext.
	H003: Words in verbose name must be all upper case or all lower case.
	H004: Help text should use gettext.
	H005: Model must define class Meta.
	H006: Model has no verbose name.
	H007: Model has no verbose name plural.

	import logging import logging.config

	LOGGING_CONFIG = {
	'version': 1, # required
	'disable_existing_loggers': True, # this config overrides all other loggers
	'formatters': {
	'simple': {
	'format': '%(asctime)s %(levelname)s -- %(message)s'
	},
	'whenAndWhere': {

	-- Found at:
	-- http://www.if-not-true-then-false.com/2009/postgresql-psql-psqlrc-tips-and-tricks/
	-- http://opensourcedbms.com/dbms/psqlrc-psql-startup-file-for-postgres/

	\set QUIET ON

	\pset pager always

	\pset null 'NULL'

	"""
	Turn a piano MIDI file into a basic 3D animated piano video.
	See the result here:


	I am leaving it as a script because it is not tested on enough MIDI files yet.

	Zulko 2014
	This script is released under a Public Domain (Creative Commons 0) licence.