Ruby Archives

What is Meta-Programming?

By Lê Hoàng Tâm November 11, 2024All topics, Architecture & Design, Design patterns, Rubymeta programing, meta-programing, python

Meta-programming is a programming technique where code writes or manipulates other code. This means the program can treat code as data, allowing it to dynamically create, modify, or extend its…

Method Lookup in Ruby: How Ruby Finds Methods

By Lê Hoàng Tâm November 6, 2024All topics, Rubyruby, singleton

When calling a method on an object in Ruby, the language searches for that method across a hierarchy of classes and modules. This lookup process ensures that Ruby finds the…

Avoid N+1 Queries in Rails: Best Practices for Optimized Performance

By Lê Hoàng Tâm October 24, 2024All topics, Ruby, Ruby on RailsN+1 query, optimize database

To avoid the N+1 query problem in Rails, you need to minimize database queries that result in multiple individual queries for each record, which can slow down performance. Here's how…

Behind the Scenes of Ruby Objects lifecycle

By Lê Hoàng Tâm October 21, 2024All topics, Rubyoptimize performance, ruby, Ruby on rails

In Ruby, objects form the core of the language. Everything in Ruby is an object—from numbers and strings to classes themselves. Understanding the Ruby Object Lifecycle can help you write…

The Hidden Power of Symbols in Ruby: When to Use Symbols Instead of Strings

By Lê Hoàng Tâm October 15, 2024All topics, Architecture & Design, Rubycompare, optimize performance, ruby

In Ruby programming, most developers default to using strings for everything from data manipulation to hash keys. However, there's another option that is often overlooked but can be very helpful…

Ruby

What is Meta-Programming?

Method Lookup in Ruby: How Ruby Finds Methods

Avoid N+1 Queries in Rails: Best Practices for Optimized Performance

Behind the Scenes of Ruby Objects lifecycle

The Hidden Power of Symbols in Ruby: When to Use Symbols Instead of Strings

The secret of console in javascript

Top 10 secrets of Ruby

Understanding Threads and Processes in Ruby: Optimize Performance on Multi-Core CPUs

What is Ruby’s Global Interpreter Lock (GIL) and How to Overcome Its Limitations?