Latest Screencasts (page 4)

Covered in This Episode numbers, expressions, types of Numbers, constants (New type of variable!), doing something a number of times. Watch this screencast

By Phil Hagelberg. Technical editing by Clojure creator Rich Hickey Clojure is a dynamic functional programming language designed to be as approachable as scripting languages, yet harness the power of multi-core machines in the manner of more cryptic languages such as Erlang. In this 65 minute screencast, Clojure expert Phil... Watch this screencast

JavaScript is essential in the creation of powerful web sites and applications. In Practical and Effective JavaScript, instructor Joe Marini presents the next level of features that experienced developers need to streamline their workflows and introduce dynamic new functions to their projects. Joe teaches tips for improving JavaScript performance, ways... Watch this screencast

XML technologies offer web developers and designers more flexibility than ever before. In Real-World XML, industry expert Joe Marini covers the best programming practices with XML, including the tools needed to build effective XML structures. He demonstrates the implementation of XML formats, how these formats work in real-world situations, and... Watch this screencast

Covered In This Episode: basic Variables, basic Methods, basic Classes, interactive Ruby (irb), code:, # Define the class Greeter, class Greeter, # Define the method hello, # This method greets the, # user, def hello(name), puts "Hello " + name, end # End of the method hello, end # End of the class Greeter, greeter.new.hello("Tyler"), covered in this episode. We’ll [...]. Watch this screencast

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. Watch this screencast

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.* Watch this screencast

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... Watch this screencast

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. Watch this screencast

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. Watch this screencast