Jelmer Prins

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Design patterns in PHP

Using common design patterns in PHP - Talk originally given at Geekdom in San Antonio, Texas, October 10, 2013

New Features in PHP 5.6 — SitePoint

It’s no blasphemy saying the core devs of PHP have had some hiccups and some truly ridiculous arguments about some of the features – just look at …

PHP Tips and Tricks

Introduction<p>In previous articles we've touched on some major sections such as MySQLi, Classes and cURL. There are a lot of other tips and tricks that …

Implementing Secure Passwords in PHP 5.5

Introduction<p>PHP has always had a few simple ways to implement password hashing to an extent. MD5 and SHA1 are examples of this, but the security of …

PHP: The Right Way

Welcome<p>There’s a lot of outdated information on the Web that leads new PHP users astray, propagating bad practices and insecure code. <i>PHP: The Right</i> …

Cross Site Scripting

Top 10 MySQL Mistakes Made By PHP Developers — SitePoint

<i>Learn more on MySQL with our screencast MySQL on the Command Line.</i><p>A database is a fundamental component for most web applications. If you’re using …

Height equals width with pure CSS

Examples (resize your browser to see the remaining ratios)<p>Aspect ratio of 1:1<p>Aspect ratio of 2:1<p>Aspect ratio of 1:2<p>Aspect ratio of 4:3<p>Aspect ratio of …

Faster Websites: Crash Course on Web Performance

Clearly, three hours of web performance content is not enough. I gave an <b>updated version</b> of the below workshop at Fluent 2013, the videos for which …

CSS Overlay Techniques

There are several techniques for creating overlays: from using an absolutely positioned element to outlines and pseudo-elements. In this article we …

Device State Detection with CSS Media Queries and JavaScript

By David Walsh on<p>28<p>Being able to detect device state at any given moment is important for any number of reasons and so it's important that web app …

7 unbreakable laws of user interface design

Are you a web designer? If yes, then you are also a user interface designer, and in the near future, this role will become even more important for …