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Turbolinks
Episode #390Nov 05, 201238 comments

Turbolinks

Turbolinks can make your Rails app feel faster by using JavaScript to replace the page content when clicking a link. It will be default in new Rails 4.0 applications, but here I show how to use it in Rails 3 and mention some of the gotchas. (7 minutes)
Cache Digests
Episode #387Oct 20, 201233 comments

Cache Digests

The cache_digests gem (also included in Rails 4) will automatically add a digest to the fragment cache key based on the template. If a template changes the cache will auto-expire. But watch out for the gotchas! (7 minutes)
JRuby Basics
Episode #376Aug 30, 201224 comments

JRuby Basics

JRuby is a polished and stable Ruby implementation. Here I show the basics of setting it up and executing Java from within Ruby. I also see how it compares with MRI at running threads. (10 minutes)
Bullet
Episode #372Aug 09, 201214 comments

Bullet

Bullet will notify you of database queries that can potentially be improved through eager loading or counter cache column. A variety of notification alerts are supported. (6 minutes)
MiniProfiler
Episode #368Jul 24, 201265 comments

MiniProfiler

MiniProfiler allows you to see the speed of a request conveniently on the page. It also shows the SQL queries performed and allows you to profile a specific block of code. (9 minutes)
Charts
Episode #223Jul 19, 201062 comments

Charts

There are a number of libraries to help create graphs. Here I show how to integrate Highcharts into a Rails app. (16 minutes)
Rack in Rails 3
Episode #222Jul 12, 20105 comments

Rack in Rails 3

The router in Rails 3 is fully compatible with Rack. Learn how to embed Sinatra into an app, handle redirects, and improve on Rails Metal. (8 minutes)
Touch and Cache
Episode #172Jul 27, 200915 comments

Touch and Cache

Rails 2.3.3 brings us a new feature called "touch". See how to use this to auto-expire associated caches in this episode. (6 minutes)
Dynamic Page Caching
Episode #169Jul 06, 200949 comments

Dynamic Page Caching

Use JavaScript to allow dynamic content in a page cache. In this episode I show you how to insert the user-specific content into a page through JavaScript. (11 minutes)
Three Profiling Tools
Episode #161May 11, 200930 comments

Three Profiling Tools

Ever want to know what Rails is doing under the hood during a request? In this episode I show three different profiling tools: New Relic RPM, FiveRuns TuneUp, and Rack::Bug. (7 minutes)