Ruby On Rails

Tutorials

Debugging in Ruby 2

Debugging in Ruby 2 Byebug is a simple to use, feature rich debugger for Ruby 2. It uses the new TracePoint API for execution control and the new Debug Inspector API for call stack navigation, so it doesn't depend on internal core sources. It's developed as a C exten...

Build a RESTful JSON API With Rails 5 – Part Two

Build a RESTful JSON API With Rails 5 – Part Two In part oneof this tutorial, we managed to generate an API-only Rails application, set up a testing framework, and use TDD to implement...

Another silly coding error

Another silly coding error See the bug? I had intended to call do_something if foo was either "bar" or "buz". But what I was actually doing was only checking if foo was "bar", because "bar" || "buz" is an expression that evaluates to the first non-nil literal, "bar". So the...

Keep your Rails logs free of unwanted noise

Keep your Rails logs free of unwanted noise I like to use Rollbar 's default plan for small apps or prototypes that are wip. Getting production exceptions in my inbox can be quite useful but most of them are actually 404s - sure there are a multitude of ways for filtering out the noise (Fai...

How to Recover From Rails Database Schema Conflicts When Rebasing

How to Recover From Rails Database Schema Conflicts When Rebasing The issue occurs when both develop and your branch contain migrations, leading to conflicts in the schema file - at least one conflict over the ‘version’ declared at the top of the file, and possibly other conflicts.

Dry-Validation as a schema validation layer for Ruby on Rails API

Dry-Validation as a schema validation layer for Ruby on Rails API There are days, when you don’t get to write your new shiny application using Grape and JSON-API. Life would be much easier, if we could always start from the beginning. Unfortunately we can’t and one of the things that make some developers more va...

How to Add a Slack Notifier with Slack-Notifier and Sidekiq

How to Add a Slack Notifier with Slack-Notifier and Sidekiq Time to add in a custom incoming webhook in Slack. Incoming Webhooks are a simple way to post messages from external sources into Slack. They make use of normal HTTP requests with a JSON payload that includes the message text and some options. Onc...

An alternate approach to Avdi’s method of slimming down Rails controllers

An alternate approach to Avdi’s method of slimming down Rails controllers While being amazed by Avdi’s refactoring skills and watching him plug in proven software development patterns, I couldn’t help but think about how I would have approached this problem.

Slim down hefty Rails controllers AND models, using domain model events (video and guide)

Slim down hefty Rails controllers AND models, using domain model events (video and guide) If you've done much Rails coding, you've probably heard the guideline: “skinny controller, fat model”. But achieving this can be easier said than done. Especially when your controllers are bloated with HTTP-centric responsibilities, such as websoc...

Makers Academy’s Alexa Series: How to Implement Sessions in an Alexa Skill in Ruby

Makers Academy’s Alexa Series: How to Implement Sessions in an Alexa Skill in Ruby If we leave it open, the user has eight seconds to respond and continue the conversation. If there is no reply after eight seconds, Alexa will provide a reprompt (defined by us) and wait for another eight seconds before closing the session herself...

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