Toni Gorodnicenko tonijz

Never Expose DB Results Directly

If you rename a field, then your users are fucked. Convert with a hardcoded array structure.
Most DB drivers [for PHP] will show integers as numeric strings and false as "0", so you want to typecast them.
Unless you're using an ORM with "hidden" functionality, people will see passwords, salts and all sorts of fancy codes. If you add one and forget to put it in your $hidden array then OOPS!

Use the URI sparingly, and correctly

Use the query string for paired params instead of /users/id/5/active/true. Your API does not need to be SEO optimised.
?format=xml is stupid, use an Accept: application/xml header. I added this to the CodeIgniter Rest Server once for lazy people, and now people think it's a thing. It's not.

Order of evaluation in PHP

Yesterday I found some people on my [favorite reddit][lolphp] wonder about the output of the following code:

<?php

$a = 1;
$c = $a + $a++;

Opening and closing an SSH tunnel in a shell script the smart way

I recently had the following problem:

From an unattended shell script (called by Jenkins), run a command-line tool that accesses the MySQL database on another host.
That tool doesn't know that the database is on another host, plus the MySQL port on that host is firewalled and not accessible from other machines.

We didn't want to open the MySQL port to the network, but it's possible to SSH from the Jenkins machine to the MySQL machine. So, basically you would do something like

ssh -L 3306:localhost:3306 remotehost

	import Foundation
	import objc
	import AppKit
	import sys

	NSUserNotification = objc.lookUpClass('NSUserNotification')
	NSUserNotificationCenter = objc.lookUpClass('NSUserNotificationCenter')

	def notify(title, subtitle, info_text, delay=0, sound=False, userInfo={}):
	notification = NSUserNotification.alloc().init()

	#!/bin/bash
	# GTK+ and Firefox for Amazon Linux
	# Written by Joseph Lawson 2012-06-03
	# http://joekiller.com
	# http://joekiller.com/2012/06/03/install-firefox-on-amazon-linux-x86_64-compiling-gtk/

	# chmod 755 ./gtk-firefox.sh
	# sudo ./gtk-firefox.sh

	#!/usr/bin/env python2.6
	import base64
	import sys
	import json
	import imaplib
	import urllib
	from optparse import OptionParser

	import atom.http_core

	-- http://stackoverflow.com/questions/1124603/grouped-limit-in-postgresql-show-the-first-n-rows-for-each-group
	-- http://www.postgresql.jp/document/9.2/html/tutorial-window.html

	CREATE TABLE empsalary (
	depname varchar(10) not null
	, empno integer not null
	, salary integer not null
	);

	INSERT INTO empsalary (depname, empno, salary) VALUES ('develop', 11, 5200);