Ruby On Rails

Blogs

How we made our rspec test suite to run 2x faster

How we made our rspec test suite to run 2x faster If you are a developer, you might have asked this question at least once to yourself. So did we, our rails project’s test suite was taking a good 1 hour 30 minutes to run and we wanted to improve that time so badly that we eventually did exactly ...

Gemfile's new clothes

Gemfile's new clothes The Bundler team currently works hard on pushing Bundler to the 2.0 release. This release will change a lot of default behavior, so it might be good to catch up with these changes way before the actual release. Some of the things that Bundler 2.0 ...

Introduction to concurrency models with Ruby. Part II

Introduction to concurrency models with Ruby. Part II In the second part of our series we will take a look at more advanced concurrency models such as Actors, Communicating Sequential Processes, Software Transactional Memory and of course Guilds — a new concurrency model which may be implemented in R...

Importing data to database in Rails 50 times faster than normal

Importing data to database in Rails 50 times faster than normal Have you ever needed to save lots of records with a unique attribute to the database using ActiveRecord? Have you noticed how time-consuming such task is? I would like to show you how to do it quickly.

BRAKEMAN: Rails Security Scanner

BRAKEMAN: Rails Security Scanner Brakeman is a security scanner and it detects security vulnerabilities in Rails applications with the help of static analysis. It directly scans through the source code of our application which eliminates the need to set-up our whole application s...

Multiple vulnerabilities in RubyGems

Multiple vulnerabilities in RubyGems The following vulnerabilities have been reported.a DNS request hijacking vulnerability. (CVE-2017-0902)an ANSI escape sequence vulnerability. (CVE-2017-0899)a DoS vulnerability in the query command. (CVE-2017-0900)a vulnerability in the gem instal...

Using Rails 5 ActionCable and RethinkDB to build a Reactive WebSocket App

Using Rails 5 ActionCable and RethinkDB to build a Reactive WebSocket App In this article we will demonstrate how to build a WebSockets driven application using Rails 5’s ActionCable. By using RethinkDB’s active changefeeds feature we can eliminate the need for a separate event broadcasting service like Redis, resulting...

Introduction to Concurrency Models with Ruby. Part I

Introduction to Concurrency Models with Ruby. Part I Running multiple processes is not actually about concurrency, it’s about parallelism. Although parallelism and concurrency are often confused, they are different things. I like this simple analogy:Concurrency: having a person juggle many balls wit...

Rails Threading Gains

Rails Threading Gains Tips on a multithreading solution in Ruby / Rails to provide significant performance improvements in running I/O bound operations in parallel.

Writing Slack Command APIs in Ruby

Writing Slack Command APIs in Ruby Slack is a real time messaging system. In this posts series we’re going to create a Ruby application to handle Slack’s Command API calls.

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