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Code Show and Tell: PolymorphicFinder

An example of making complicated code easier to test by using the Builder, Decorator, Chain of Responsibility, and Null Object patterns and recursion, object composition, and immutable objects.
Joe Ferris
January 13, 2014
- Web
- Ruby
Handling Associations on Null Objects

How to use ActiveRecord’s NullRelation.
Sage Griffin
January 10, 2014
- Web
- Rails
Rendering Collections in Rails

Partials are a great way to break down complex view into more manageable...
Joël Quenneville
December 31, 2013
- Web
- Rails
Clearer Conditionals using De Morgan's Laws

Ever seen a hard-to-parse conditional like this? def allow_access_to_site? ...
Gabe Berke-Williams
December 20, 2013
- Web
- Good Code
Animating Modals in Angular.js

The end result is a beautiful transition and zero conditionals.
Sage Griffin
December 17, 2013
- Design
- Web
- JavaScript
Capybara Webkit 1.1.0: Screenshots and Better ClickFailed Debugging

Capybara Webkit 1.1.0 has been released and it contains some great new...
Joe Ferris
December 12, 2013
- News
- Web
- Testing
- Capybara Webkit
Using JavaScript Promises to Reason About User Interaction

Asynchronicity isn’t just for concurrency, and promises aren’t just for XHR.
Sage Griffin
December 11, 2013
- Web
- JavaScript
Introducing Metis Bootcamp

I am excited to announce that Kaplan Test Prep, the global leader in test...
Chad Pytel
December 10, 2013
- News
- Web
- Metis
Using Polymorphism to Make a Better Activity Feed in Rails

You won’t find “polymorphic partials” in Rails’ API documentation. However,...
Dan Croak
December 2, 2013
- Web
- Rails
Improving the Command-Line Postgres Experience

Understanding the ~/.psqlrc configuration file, its options, and reading...
Gabe Berke-Williams
November 30, 2013
- Web
- PostgreSQL
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