A Few RSpec Helpful Hints
Two main frameworks dominate the Ruby testing world: Rspec and MiniTest. RSpec is a very expressive testing framework with many great features and helpers to make tests readable. When writing RSpec tests, here are just a few not so obvious hints that could make tests even easier to write, read, and maintain. Assuming a system exists with Books and Authors, let’s utilize these hints to make testing
How to Diagnose Ruby on Rails N + 1 Query Problems
Diagnosing performance problems in a production Ruby on Rails application can be deceptively complex. When constructing a new application or expanding the features of an existing one, development environments that are not subject to typical production web traffic may not make performance issues evident. In those instances, the use of some simple (and mostly free) tools can help diagnose performanc
How to Build a Ruby on Rails Engine
Ruby on Rails Engines are miniature applications whose purpose is to supplement a larger Ruby on Rails application. If functionality can exist independent from a main application, an Engine can provide a wonderful degree of encapsulation. Recently, I created the and “gemified” the Passages Ruby on Rails Engine to help alleviate some routing frustration. This gem will be the be used as the example
The Power of Arel
Many modern web applications have at least a few overlapping responsibilities. One of these responsibilities deals with maintaining state. A common choice for storing this state is by way of a relational database. Ruby on Rails applications assume the presence of a database by default and communicate with it via ActiveRecord. ActiveRecord is an Object Relational Mapping (ORM). Under the hood, Acti
1
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
Things to Consider when Metaprogramming in Ruby
