Ruby On Rails

Tutorials

Introducing: BabySqueel. Elegant queries for Rails.

Introducing: BabySqueel. Elegant queries for Rails. Historically, Squeel has had trouble keeping up with the latest versions of Active Record. Currently, it is incompatible with Rails 5 and efforts to upgrade it have been frustrating. Squeel was originally intended to become part of the official A...

A Case for Composition

A Case for Composition I’ve read way too many blog posts about inheritance versus composition. All of them revolving around the is-a versus has-a relationship. If that subtlety has left you scratching your head, here’s a real life example. One of my first problems to s...

Improving Rails test helpers

Improving Rails test helpers A great productivity comes from the small things. When making sure that the app works fine on the new version of Rails, I had to fix failures like this one many many times:

Send SMS messages like emails in Rails with Textris

Send SMS messages like emails in Rails with Textris We’re going to take an example Rails application and replace the existing message sending code with Textris to see how it can tidy up our application. For this blog post, we’ll use a tutorial on sending instant lead alerts as our base. The applica...

How To Make Rails Json Output Decimal Numbers Instead Of Strings

How To Make Rails Json Output Decimal Numbers Instead Of Strings Working on an application I noticed that when getting JSON data from Rails the decimal numbers come as strings. Turns out this is to ensure it is still accurately rounded.If you don’t care about the rounding of large numbers then you can force Rai...

Running an IRC Bot in Ruby on OpenShift V3

Running an IRC Bot in Ruby on OpenShift V3 At Red Hat, all of our instant internal messaging is done through IRC. Because of this, many of our channels have a couple bots in them that do things like process links, report new pull requests, and keep track of users’ karma. What’s cool is tha...

Ruby’s Swiss Army Knife: The Enumerable Module

Ruby’s Swiss Army Knife: The Enumerable Module Incredibly useful, though un-intuitively named, Ruby’s Enumerable module is a kind of Swiss Army Knife, capable of solving a variety of problems with precise, compact tools. In many cases where people write Ruby that isn’t idiomatic, more akin to ...

Tactics for optimizing Rails app performance

Tactics for optimizing Rails app performance You've built and deployed your app, and you're now starting to experience heavier traffic as it gains traction in the market. Your cloud servers will be experiencing a heavier load than in the past, perhaps leading to poor performance. Or maybe yo...

Ruby Suture Gem

Ruby Suture Gem A refactoring tool for Ruby, designed to make it safe to change code you don't confidently understand. In fact, changing untrustworthy code is so fraught, Suture hopes to make it safer to completely reimplement a code path. Suture provides help t...

What is time complexity? How it effects the speed of the programs?

What is time complexity? How it effects the speed of the programs? The time complexity of the algorithm specifies that the total tie taken to run the complete program or the algorithm. The Time Complexity is generally expressed in Big-O notations. Time Complexity is most commonly estimated by counting the number...

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