Akshay Khot

I run an independent software studio/agency specializing in Ruby on Rails. This blog is my attempt to spread the joy of programming in Ruby and building web apps in Rails with the world.

Victoria, BC

199 Articles

Include and Extend

Here’s a neat trick I learned today. Typically, when a class includes a module, the module methods become instance methods on the including class.

1 min read

Modifying Objects in Place

Every time you create or copy something in memory, you add work for GC. Here are some tips from the book Ruby Performance Optimization to

1 min read

Class Metaprogramming in Ruby

A Ruby class definition is just regular code that runs. When you use the class keyword to create a class, you aren’t just dictating

2 min read

How to Implement Callbacks in Ruby

There are at least three places in Ruby where you can package code to be executed later. In a block, a proc/lambda, and a

3 min read

A List of Middleware Used by Rails

Here’s a list of middleware Rails uses in a development environment. You can view the middleware by running the bin/rails middleware command from

3 min read

Caching in Rails

These are the notes I took while reading the Rails caching guide. Caching is one of the most effective ways to boost an application’s

2 min read

A Brief Introduction to Rake

Rake is a task runner written in Ruby. It performs repetitive tasks, such as 1. Making database backup 2. Running tests 3. Watch for file

2 min read