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Blocks in Ruby

Understanding Blocks and the Difference in Proc and Lambda

Update: I've since revised, polished and published a much more in-depth post on this topic, check it out here: Blocks, Procs, and Lambdas:
Ruby Gems 4 min read
String Inquiry

Compare Strings Using Inquiry

Similar to the ArrayInquirer class, which tests if an array contains a value, the ActiveSupport::StringInquirer class provides a nice way to compare two strings.
1 min read

How to Compress a String in Ruby (and Rails)

You can compress large strings using the Zlib module provided by Ruby's standard library.
1 min read
Rails Configurable

Configure Classes Using the Configurable Concern in Rails

Sometimes, you need a config-like property on a class, such as a logger. Rails provides the Configurable concern that lets you accomplish this. It provides
2 min read
how to access variables outside the scope in Ruby

How to Access Variables Outside Scopes in Ruby

In C# and Java, variables from the outer scope are visible to the inner scope. In Ruby, scopes are sharply separated, and nested visibility is
1 min read

Ruby is a Meritocracy

I recently read Russ Olsen's book Design Patterns in Ruby. In it, the author makes a wonderful distinction between statically vs. dynamically typed languages, which is different from all other comparisons I've seen.
1 min read
Benchmarking views in Rails

How to Benchmark Rails Views

This post explores the Benchmarkable module provided by Active Support to measure the execution time for rendering Rails views.
1 min read

How to Benchmark Ruby Code

The Benchmark module in the Ruby standard library helps you measure and report the time used to execute your code. This post explores three useful
1 min read

Understanding Authenticity Tokens in Rails

This post explores CSRF vulnerability and how Rails mitigates it using authenticity tokens. We will will learn why they're needed, how they're generated, how Rails uses them to verify the requests, and how to disable them for specific requests.
1 min read

Metaprogramming in Ruby

Metaprogramming in Ruby enables you to produce elegant, clean, and beautiful programs as well as unreadable, complex code that’s not maintainable. This book teaches you the powerful metaprogramming concepts in Ruby, and how to use them judiciously.
6 min read

How to Get an Object's Class Name in Rails

This post explores a few different ways in which you can get an object's class name in both Ruby and Rails.
1 min read

A Deep Dive Into Database Migrations in Rails

Like source code, database schema changes and evolves over time. Migrations are a feature of Active Record that allows you to manage the database schema
4 min read

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