Ruby On Rails

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How DHH organizes his Rails controllers - Jerome's Adventures in Software

How DHH organizes his Rails controllers - Jerome's Adventures in Software EDIT: This article is also available in Japanese. すごい! In a recent interview with Full Stack Radioour Lord and Savior DHH™ explains how he …

React vs. Angular 2 integration with Rails

React vs. Angular 2 integration with Rails One of the most recent debates in the web development world has been over the choice of constructing the view layer of modern applications. In this guide, we will compare the React and the Angular 2 integrations using Ruby on Rails.

Ruby On Rails on Windows 10 Bash on Ubuntu Yes! It Is Possible!

Ruby On Rails on Windows 10 Bash on Ubuntu Yes! It Is Possible! I was wondering " Is it possible to install and run Ruby, Ruby On Rails on Windows 10 (Linux subsystem) Ubuntu Bash " and a short answer is YES!

Zero Downtime Migrations with ActiveRecord and PostgreSQL

Zero Downtime Migrations with ActiveRecord and PostgreSQL As our database and traffic continued to grow, we discovered that certain migrations which appeared harmless actually caused table locking and, in some cases, downtime!

Rails 5.1: Default Primary Keys Are Now BIGINT

Rails 5.1: Default Primary Keys Are Now BIGINT Remember the Twitpocalypse? Back in 2009, Twitter ran out of Integers. Like most of us, they set up the primary key in their tweets table to be a 32-bit signed integer. Once they hit the magical number (2,147,483,647), servers were all but guarant...

How to detect image contents from Ruby with Amazon Rekognition

How to detect image contents from Ruby with Amazon Rekognition Rekognition is a new Amazon Web Service that “makes it easy to add image analysis to your applications.” It can detect faces and objects, and even let you store libraries of faces for future recognition.

Implementing Twitter Bot using Ruby

Implementing Twitter Bot using Ruby When I was 15 years old, I dreamed of being able to develop bots. The story behind was terribly simple, – back then it was way too popular among us (the little nerds) to manage own IRC bots which could do some fancy things like log the discussion ...

Ruboto 1.5.0

Ruboto 1.5.0 Ruboto (JRuby on Android) is a platform for developing full stand-alone apps for Android using the Ruby language and libraries. It includes support libraries and generators for creating projects, classes, tests, and more. The complete APIs of Andr...

A Rubyist's Guide to Big-O Notation Performance means one of two things: speed, or ram usage. In computer science class you'd refer to these as "time complexity" and "space complexity." Big-O notation is used for both, but we're going to focus on speed here, since that seems to be t...

Rails Database Best Practices

Rails Database Best Practices Working on an oldish Rails project, I came across some smelly ActiveRecord code that begged for some refactoring love. I also spent some time speeding up pages with slow/many database calls. Between those two experiences, I felt the inspiration to...

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