Ruby On Rails

Blogs

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.

Results of the Code Quality Tools survey

Results of the Code Quality Tools survey Hello everyone. In this blog we talk a lot about the quality of code: Patterns, Object-Oriented Design, SOLID principles, etc.Week ago I started to think about the tools we have that help us to measure and improve quality of code. That's how I cam...

Using Docker and Codeship for Ruby Development

Using Docker and Codeship for Ruby Development Docker is an amazing tool for developers. It allows us to build and replicate images on any host, removing the inconsistencies of dev environments and reducing onboarding timelines considerably. In this eBook you will learn how to develop and test...

The Longest Email I Ever Sent (Programmatically)

The Longest Email I Ever Sent (Programmatically) It was a quiet day in July when I got a message from SendGrid about a service I run, CodeTriage, which helps people contribute to open source projects, had gone over its limits. Calls to send out emails were all failing. The fix was easy: bump up ...