Yuri Prezument yprez

TL;DR

Create a backup:

pg_dumpall > mybackup.sql

Perform the upgrade:

sudo pg_dropcluster 9.4 main --stop

Howto use ListFields in Django's admin

Consider this blog post model:

	#!/bin/bash

	# Thanks to https://gist.github.com/wenzhixin/43cf3ce909c24948c6e7
	# Execute this script in your home directory. Lines 17 and 21 will prompt you for a y/n

	# Install Oracle JDK 8
	add-apt-repository ppa:webupd8team/java
	apt-get update
	apt-get install -y oracle-java8-installer
	apt-get install -y unzip make # NDK stuff

	# to enable this filter add to jail.conf following (/etc/fail2ban/jail.conf)
	# Thanks to -> TheBarret

	[nginx-4xx]
	enabled = true
	port = http,https
	logpath = /var/log/nginx/access.log
	maxretry = 3

	var formSubmitted = false;
	$(document).on('submit', '.form', function(e) {
	if(formSubmitted) {
	e.preventDefault();
	} else {
	formSubmitted = true;
	}
	});