Ruby On Rails

Tutorials

Why don't we validate controller parameters?

Why don't we validate controller parameters? Strong parameters have their supporters and critics. Whether you use them or not, you still should remember about validating values. params.require(:user).permit(:first_name, :last_name) is usually not enough to make Ruby on Rails application secu...

Rails 6 adds negative scopes on enum

Rails 6 adds negative scopes on enum This blog is part of our Rails 6 series. Rails 6.0.0.beta2 was recently released.When an enum attribute is defined on a model, Rails adds some default scopes to filter records based on values of enum on enum field.Here is how enum scope can be used.

Debugging Sidekiq Poison Pills

Debugging Sidekiq Poison Pills Like many web applications out there, Gusto uses asynchronous jobs to process various sets of information. Sidekiq is one such background processing library for Ruby, which we use at Gusto. Other such libraries include Resque, Beanstalkd, and dela...

Solving Slack-Side Disconnects in slack-ruby-client – code.dblock.org

Solving Slack-Side Disconnects in slack-ruby-client – code.dblock.org In June 2018 users started reporting slack-side disconnects in their Ruby bots, reported via slack-ruby-client.

Two Ways of Finding the Element That Occurs the Most in an Array with Ruby.

Two Ways of Finding the Element That Occurs the Most in an Array with Ruby. In my post I will discuss a specific task operated on an array, that to me is a bit interesting and I like it, and also exemplifies the Ruby idea that there are multiple ways of performing one task, and a single one isn’t considered “right”. Isn’t...

Don’t Sweat It

Don’t Sweat It If you’re like me, you love writing code. You could do it for hours a day every day, and feel like you’re living your best life, but what about writing tests for your code? Did you just cringe a little at the sheer mention of it? It’s ok if you di...

How I Built a Simple Command Line App in Ruby with ActiveRecord

How I Built a Simple Command Line App in Ruby with ActiveRecord Command line apps — boring? I used to think so. When I first got interested in programming many years ago, I wanted to dive in at the deep end and build the next big AAA game. This inevitably led to much frustration, and I gave up on programming f...

Debugging in Ruby—Busting a Year-old Bug in Sprockets

Debugging in Ruby—Busting a Year-old Bug in Sprockets Debugging is an important skill to develop as you work your way up to more complex projects. Seasoned engineers have a sixth sense for squashing bugs and have built up an impressive collection of tools that help them diagnose and fix bugs.I'm a me...

Secure Your Rails Staging Environment with HTTP Basic Authentication

Secure Your Rails Staging Environment with HTTP Basic Authentication A sensible approach to testing features before you ship them to customers is to use a staging environment that closely resembles your live, customer-facing, production application.It’s important to make sure that only people inside your organisati...

How I write characterization tests

How I write characterization tests Let’s say I come across a piece of code that I want to refactor but unfortunately a) I don’t understand what it does and b) it’s not covered by tests. Refactoring untested code I don’t understand that’s not tested is risky business. But how can I ...

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