Advanced use cases for the ‘select’ method — In the world of Ruby programming, the select method is more than just a basic tool for filtering arrays. It’s versatile and can do a lot more than you might think. While many use it for simple tasks, there are advanced ways to make it work for you. In this…

Get started with OpenAI APIs — ChatGPT and all the AI-related topics are the rage these days in tech industries. So I want to talk about something related to that in this article. We would have plenty of simple but useful scenarios we could utilize OpenAI APIs in a Rails web application. I discuss integrating and…

Demystifying Ruby’s “define_method” — Today I will talk about Meta Programming in Ruby, especially creating methods dynamically in a Ruby environment. In a simple definition, we can define meta programming as a technique by which you can write code that writes code by itself dynamically at runtime. If you like to learn more about…

How to handle the 404 (not found) route errors — In every web application, we need to handle unused routes preferably by showing information to the user that what they are requesting does not exist. For a Rails application, this can be achieved very easily. We will discuss how to implement this feature in Rails thoroughly in this article. Route Configuration To…

A thorough examination of Ruby’s ‘dig’ method — Today, I want to talk a bit about a little-known method in Ruby language that works on both Arrays and Hashes called #dig . Basic Usage Let's say we have a hash as follows: In the above, we have a hash containing some personal information if we want to…

Advanced usage of Rails Credentials to read it from anywhere — Why ? Why would you want to access Rails credentials without initializing Rails? That’s a good question. The answer is not as straightforward. Even within a Rails application, there are situations where you need to run code without initializing Rails. One common scenario I often come across is when using Capistrano, a…

How to build conditional Where queries of ActiveRecord and Mongoid — In Ruby on Rails, the default choice for object-relational mapping (ORM) is ActiveRecord, which provides an interface to interact with relational databases. ActiveRecord is widely used in Rails applications and offers a convenient way to define models, handle database operations, and establish relationships between different entities.