Latest Paid Screencasts

ZFS is a combined file system and volume manager created by Jeff Bonwick at Sun Microsystems in 2004. ZFS supports many advanced features not found in traditional file systems: end to end data integrity checking, self healing, file system snapshots, rollbacks, dynamic pools of data, file system compression, and more...

Sequel is an awesome Ruby library for working with databases. As opposed to ActiveRecord and DataMapper, which are based on working with model objects, Sequel is meant to be used to directly query a database, without needed to go through an object relational mapper. You can use models and associations...

In Ruby Essential Training, expert instructor Kevin Skoglund teaches the fundamentals of Ruby, the popular object-oriented open-source programming language. Kevin begins by walking through the basic data types, demonstrating Ruby's control structures (loops, iterators, conditionals, and code blocks) and showcasing the elegant syntax structure of the language. Kevin explains variable...

MySQL is by far the most popular database management system for small- to medium-sized web projects. In MySQL Essential Training, instructor Bill Weinman provides clear, concise instruction in the tools needed to create and maintain a database. Bill explores the different data types MySQL supports, and the functions it provides,...

Whatever a database is being used for?web sites, bookkeeping, sales and inventory, or even the lowly to-do list?it’s all about the data. SQL Essential Training is designed to help users understand the most common language for database wrangling?SQL. Beginning with a brief introduction, instructor Bill Weinman teaches the major features...

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...