Ruby On Rails

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Mining for malicious Ruby gems

Mining for malicious Ruby gems These days, organizations are acknowledging the importance of the security aspect of their systems. They are putting in effort to adopt security best practices with the goal of eliminating blindspots in the attack chain that would increase the ris...

Full Text Search in Milliseconds with Rails and PostgreSQL · pganalyze

Full Text Search in Milliseconds with Rails and PostgreSQL · pganalyze Imagine the following scenario: You have a database full of job titles and descriptions, and you’re trying to find the best match. Typically you’d start by using an ILIKE expression, but this requires the search phrase to be an exact match. Then y...

Feature Flags: The stupid simple way to de-stress production releases

Feature Flags: The stupid simple way to de-stress production releases Feature flags (or feature toggles) are a technique for incrementally rolling out functionality in an application. Work that is not completely ready to go live can be released in chunks while being hidden by a flag. These flags are usually configur...

The Complete Guide for Deprecation Warnings in Rails

The Complete Guide for Deprecation Warnings in Rails Deprecation warnings are a common thing in our industry. They are warnings that notify us that a specific feature (e.g. a method) will be removed soon (usually in the next minor or major version) and should be replaced with something else. Feature...

Ruby Concurrency Final Report

Ruby Concurrency Final Report Ruby provides a mixed bag of tools for building asynchronous systems. While CRuby wraps all Ruby code in a Global Virtual Machine Lock (GVL), JRuby and TruffleRuby provide truly parallel threads. Code analysis reveals that thread synchronisation p...

Happy Easter from Ruby 2.7.1

Happy Easter from Ruby 2.7.1 Ruby 2.7.1 was released recently and while it included a couple of security fixes it also brought with it a little bonus.Discovered on Reddit, there is an Easter egg that has been hidden in Ruby 2.7.1. You can trigger it a couple of ways. If you d...

The easiest way to write a Slack bot in Ruby.

The easiest way to write a Slack bot in Ruby. A generic Slack bot framework written in Ruby on top of slack-ruby-client. This library does all the heavy lifting, such as message parsing, so you can focus on implementing slack bot commands. It also attempts to introduce the bare minimum number...

Why you (probably) don't need PostGIS

Why you (probably) don't need PostGIS PostGIS is a fantastic, battle-tested suite of GIS extensions for Postgres. It handles most aspects of it, and is widely used, for example in OpenStreetMap’s Mapnik. But for your project, it’s most likely overkill. In a Q and A fashion, let’s disc...

A code-first approach to automate the writing of unit tests.

A code-first approach to automate the writing of unit tests. A code-first approach to automate the writing of unit tests. - fixrb/brutal. Let Brutal shape for you in no time the actual behavior of your code through as many combinations of contexts as needed.By delegating to Brutal the repetitive (and redund...

The Definitive RSpec Tutorial With Examples

The Definitive RSpec Tutorial With Examples RSpec is a testing tool for Ruby programmers. RSpec is a Behaviour-Driven Development (BDD) tool. Tests written in RSpec focus on the “behavior” of an application being tested. RSpec does not put emphasis on how the application works but instead o...

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