Latest Paid Screencasts (page 4)

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...

Many prominent Rails developers have jumped on the BDD bandwagon, and with good reason! It’s a great workflow and values clarity, small steps, database-independence, and self-documenting code. If Test::Unit doesn’t make sense to you, or if you want to write better code, this is the place to start. This 55...

Learn how to write faster Ruby applications and gain a deeper understanding of what it takes to scale Ruby. Topics covered: processes & threads, green vs native threading, eventmachine, process messaging, dropping to c, learning ruby-prof, speeding up ruby code.

In this first EnvyCast we take a look at several advanced features of ActiveRecord, including: loading large data sets, foreign keys, using and abusing include, counter caching properly, polymorphic associations, single table inheritance, new rails 2.1 features.

Technical editing by Joshua Sierles, sysadmin at 37signals. Content by Geoffrey Grosenbach in collaboration with Casimir Saternos. Part of our job at PeepCode is to research new and upcoming technologies that alpha geeks are talking about. XMPP/Jabber instant messaging has been getting more buzz recently. What is it? What does...

MySQL (or Postgres) does a fine job when querying specific rows, but it’s not so great when it comes to searching on large text fields. Sphinx is a search service that makes full text searching quite easy and throws in extra features like boolean search (“rails OR merb”), word proximity,...

Since the Facebook Development Platform was released in May 2007, more than 12,000 Facebook applications have been launched. You can distribute your Rails application to potentially millions of users on Facebook. But to do that, you're going to need to play by the rules. Learn how to design your Rails app for Facebook from Mike Mangino, an experienced Rails and Facebook developer.

Test-first development can improve your workflow, improve the quality of your software, and give you confidence. If you have looked at the “test” directory sitting at the bottom of your Rails applications and have wondered what it’s there for, this is the screencast for you! This screencast walks through the...

Technical editing by CouchDB committers Jan Lehnardt and Chris Anderson NOTE: Updated project code is available at GitHub (upgrade-couchrest branch). Imagine a world where there is no SQL. Your database doesn’t have a schema. You don’t have to worry about indexes. Replication is built-in. Scaling is part of the plan...

Technical editing by the creators of Phusion Passenger™. Phusion Passenger™ dropped onto the scene in early 2008 and immediately caused quite a stir. Many developers have hoped for a way to run Rails applications natively inside Apache, and now it’s possible! Passenger™ makes development easier and is the best way...