Latest Screencasts (page 7)

Rack middleware is a way to filter a request and response coming into your application. In this episode I show how to modify the response body using middleware.

h3. XCode 4 *NEW:* Mike Clark has released free XCode 4 Bonus Tracks. If you're using XCode 4, you'll want these. You might always want to take a look at the new XCode 4 Keyboard Shortcuts poster. h3. XCode 3 Please note that the XCode 3 screencast is no longer for sale. Xcode is the development environment used to create iPhone and Mac applications. There's a lot you can do with Xcode, and it's easy to get distracted by all the knobs and levers. But you're using Xcode for one simple reason: You want to build iPhone or Mac applications as quickly as possible. *Whether you're a new iPhone developer seeing Xcode for the first time, or wish you were more familiar with the shortcuts, these screencasts will make you a more productive (and happier!) Xcode programmer.*

Technical editing by Scott Stevenson of CocoaDevCentral and Theocacao. If you know Ruby and you want to write applications for Mac OS X or the iPhone, you’re in a great place to start! This concise and content-packed 80-minute screencast will teach you what you need to know to start programming...

In Rails 2.3 you can provide a template when generating a new Rails application. See how in this episode.

PayPal Express Checkout is easy to add to an existing ordering system. See how in this episode.

Sinatra is a small Ruby web application framework that packs a big punch. It's also a lot of fun! You can use Sinatra to write tiny, focused web applications and lightweight REST services very quickly. And sometimes a lean and mean web app is all you need. If you haven't given Sinatra a look, now's a great time to get a fresh perspective on web development. Learn how to get the most out of Sinatra from Adam Keys, an experienced Ruby and Sinatra developer.

Active Merchant is a great library for handling credit card transactions. In this episode I will show you the basics of using it to communicate with PayPal's gateway.

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Metaprogramming lets you program more expressively. This makes your code easier to write and easier to maintain and extend. Learn both the hows and whys of metaprogramming Ruby from Dave Thomas, one of the most experienced Ruby programmers in the western world.

The classic Gnu Emacs text editor is an incredibly powerful piece of software that has been used by thousands of programmers over the last few decades. Many alpha geeks have recently been giving Emacs a second look as well. Emacs Lisp expert Phil Hagelberg prepared the script and accompanying code...

GitHub is where the action's at: you can host your public and private projects there, use it to collaborate on projects in a truly distributed way, and expand your social coding network. But to really get the most out of this great resource, you need an experienced guide to show you the ropes. Learn how the pros use GitHub from Scott Chacon, a long-time Git user and GitHub insider.