Links for 11 July 2010

A Beginner's Guide to Design Patterns explains why design patterns are important along with some PHP examples
CSS Media Queries & Using Available Space is an excellent article demonstrating how to use CSS to alter your document depending on the available width. Useful for re-positioning items etc
ButtonMaker is a simple iPhone App (simulator only) which uses undocumented APIs to create UIGlassButtons, and then saves the images for the button, and its selected equivalent in the application's documents
directory.
MapKitDragAndDrop is designed to bring drag and drop support to MapKit on iPhone platform, with just one single lightweight DDAnnotation and DDAnnotationView, users are able to drag and drop annotation pin and get the new coordinate
Developing iPhone Apps with iOS4 SDK, Deploying to 3.x Devices : Base SDK and iPhone OS Deployment Target explains that Xcode 3.2.3 only comes with support for SDK's 3.2 and 4.0 but shows how to target earlier releases
inessential.com: How I Manage Memory from Brent Simmons explains how he eases his memory issues in Objective-C. Follow up here and here
Conditional iOS3, iOS3.2 and iOS4 code shows you how to determine which version of iOS you are running on as well as explaining how to write a macro that can both conditionally compile and runtime switch between the code for different versions of iOS.
Create an Apple folder using the Apple icon on iOS4
How To Use the Three20 Photo Viewer in your iOS applications
Sencha Touch is a HTML5 Mobile App Framework that allows you to develop web apps that look and feel native on Apple iOS and Google Android touchscreen devices.