Want to learn how to do PayTm integration with your Ruby on Rails application? Here is a step-by-step guide to integrate PayTm as your payment vendor for Ruby on Rails.

Using SMS to authenticate a user has the following benefits: Everybody has a phone. Users don't have to remember passwords. ...

Build a blockchain and cryptocurrency is, perhaps surprisingly, a reasonable task. This guide goes through the crucial steps to build your own crypto using Ruby.

Things usually work until they don't. Sidekiq background job process can explode, quietly turn off, or get stuck for a variety of reasons. Random network errors, misconfigured email clients, shortage of RAM, or disk space on Redis to name a few. Adding a…

Use the Ruby gems ahoy and blazer to track user metrics, usage patterns, and get the most out of your new application features

Update: User MelissaLiberty from Reddit pointed out how they would improve the form object and some of it faults. The form object has been updated to reflect their excellent points.

One of the best things about Rails is that it protects your app from a wide variety of injection attacks with minimal development effort. But we're never 100% safe. After all, Rails can't protect us from our own bad ...

Search through user-provided HTML content with PostgreSQL and Active Record.

Some people, when faced with an API problem, think “I’ll use GraphQL!” And now they have N+1 problems. N+1 problems occur when you want to…

Ruby Array#intersect? method will return true or false based on common elements present in the two arrays.

In this episode I explain the Hanami architecture related to views rendering, by using Hanami View, Hanami Actions and templates, to list articles for a blog applicaton.

Your code creates millions of Ruby objects every day, but do you actually know what happens to these objects?

In this talk, we’ll walk through the lifespan of a Ruby object from birth to the grave: from .new to having its slot reallocated. We’ll discuss…

As you grow your Rails app, is it starting to slow down? Let’s talk about how to identify slow code, speed it up, and verify positive change within your application. In this talk, you’ll learn about rack-mini-profiler, benchmark/ips, and performance optimization…

When we learn to code, we focus on writing features while we understand what the code is doing. When we debug, we don’t understand what our code is doing. The less we understand, the less likely it is that our usual programming mindset—the one we use for…

Learning to code is an individual journey filled with highs and lows, but for some, the lows seem far more abundant. For some learning to code, and even for some professionals, it feels like we're struggling to tread water while our peers swim laps around…

Hotwire enables realtime activity in our Rails application with very little Javascript. We'll build a realtime customer support application in just a few minutes using Hotwire for realtime updates and ActionMailbox for handling inbound emails.

DHH stunned the Rails world with his announcement of Hotwire from Basecamp. Even folks in the non-Rails web-development community took notice.

In this talk, you will learn about the building blocks of Hotwire and how they compose to create a streamlined…

Everything is cyclical, and web development is not an exception: ten years ago, we enjoyed developing Rails apps using HTML forms, a bit of AJAX, and jQuery—our productivity had no end! As interfaces gradually became more sophisticated, the "classic" approach…