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@PrimaryFeather
PrimaryFeather / gist:5983685
Last active February 29, 2020 09:35
Water distortion filter, implemented with Starling's "DisplacementMapFilter".
private function addDistortionTo(target:DisplayObject):void
{
var offset:Number = 0;
var scale:Number = Starling.contentScaleFactor;
var width:int = target.width;
var height:int = target.height;
var perlinData:BitmapData = new BitmapData(width * scale, height * scale, false);
perlinData.perlinNoise(200*scale, 20*scale, 2, 5, true, true, 0, true);
@lukehefson
lukehefson / uninstall-GHfM.sh
Created November 27, 2013 13:48
Completely uninstall GitHub for Mac
#!/bin/bash
function remove_dir () {
rm -rf "$1_"
if [ -d "$1" ]
then
mv "$1" "$1_"
fi
}
@gavinhungry
gavinhungry / nginx-tls.conf
Last active July 18, 2024 11:35
Nginx SSL/TLS configuration for "A+" Qualys SSL Labs rating
#
# Name: nginx-tls.conf
# Auth: Gavin Lloyd <gavinhungry@gmail.com>
# Desc: Nginx SSL/TLS configuration for "A+" Qualys SSL Labs rating
#
# Enables HTTP/2, PFS, HSTS and OCSP stapling. Configuration options not related
# to SSL/TLS are not included here.
#
# Additional tips:
#
@Kartones
Kartones / postgres-cheatsheet.md
Last active July 25, 2024 09:09
PostgreSQL command line cheatsheet

PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

  • -E: will describe the underlaying queries of the \ commands (cool for learning!)
  • -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)
@ngpestelos
ngpestelos / remove-docker-containers.md
Last active May 31, 2024 15:10
How to remove unused Docker containers and images

May 8, 2018

I wrote this four years ago, so instead use this command:

$ docker rmi $(docker images -q -f dangling=true)
@alimbada
alimbada / Export-Chocolatey.ps1
Last active April 21, 2024 11:39
Export installed Chocolatey packages as packages.config - thanks to Matty666
#Put this in Export-Chocolatey.ps1 file and run it:
#.\Export-Chocolatey.ps1 > packages.config
#You can install the packages using
#choco install packages.config -y
Write-Output "<?xml version=`"1.0`" encoding=`"utf-8`"?>"
Write-Output "<packages>"
choco list -lo -r -y | % { " <package id=`"$($_.SubString(0, $_.IndexOf("|")))`" version=`"$($_.SubString($_.IndexOf("|") + 1))`" />" }
Write-Output "</packages>"
@wataruoguchi
wataruoguchi / How to make your website to maintenance mode.md
Last active January 7, 2024 14:28
How to make your website to maintenance mode - Apache

Apache

How to make your website to maintenance mode

  1. Put maintenance.html into your root directory

  2. Open .htaccess file

  3. Insert this block in the first line of the file

     ErrorDocument 503 /maintenance.html
     <IfModule mod_rewrite.c>
    

RewriteEngine On

@CMCDragonkai
CMCDragonkai / stay-awake.ps1
Last active June 14, 2024 18:17
Keep Windows Awake Temporarily (Prevent Sleep, Display Off or Away Mode) #cli #powershell #windows
#!/usr/bin/env powershell
# This script can keep the computer awake while executing another executable, or
# if no executable was passed in, then it stays awake until this script stops.
# There are 3 different ways of staying awake:
# Away Mode - Enable away mode (https://blogs.msdn.microsoft.com/david_fleischman/2005/10/21/what-does-away-mode-do-anyway/)
# Display Mode - Keep the display on and don't go to sleep or hibernation
# System Mode - Don't go to sleep or hibernation
# The default mode is the System Mode.
# Away mode is only available when away mode is enabled in the advanced power options.
@barsv
barsv / logger.ps1
Last active July 22, 2024 04:31
Logging in powershell with log rotation
# all logging settins are here on top
$logFile = "log-$(gc env:computername).log"
$logLevel = "DEBUG" # ("DEBUG","INFO","WARN","ERROR","FATAL")
$logSize = 1mb # 30kb
$logCount = 10
# end of settings
function Write-Log-Line ($line) {
Add-Content $logFile -Value $Line
Write-Host $Line
@styblope
styblope / docker-api-port.md
Last active July 25, 2024 11:43
Enable TCP port 2375 for external connection to Docker

Enable TCP port 2375 for external connection to Docker

See this issue.
Docker best practise to Control and configure Docker with systemd.

  1. Create daemon.json file in /etc/docker:

     {"hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]}