Rails radio buttons & required boolean attributes

This is a post about using rails radio buttons for required boolean attributes.

Various CORS issues related (not only to) Ruby on Rails

http://www.eq8.eu/blogs/32-various-cors-issues-related-not-only-to-ruby-on-rails CORS may be bit tricky (not only) for Ruby on Rails application. In this article we will have a look on some problems and solutions I’ve dealt with them

Building a Rack Web Server in Ruby

Every request that is sent to a Rails or Sinatra application goes through Rack. Rack is an interface for structuring web applications using Ruby. Rack web servers (i.e. Puma, Passenger, etc) handle sockets (links between programs running on a network), the semantics of the HTTP protocol, thread or process management, and of course the Rack interface. This article explores building a simple Rack web server in Ruby from scratch. Read more

Sharing models between Rails Apps

I was planning to write 1 article today and another next week, but heck, I had an extra idle hour. Read more

The SQL Alternative to Counter Caches

This article goes over an alternative to counter caches I have been experimenting with lately.

Rails API Basics

A brief introduction on Rails API. Learn how to create an API application and setup the routes. This episode is paving the way for more in depth looks into Rails API. https://www.driftingruby.com/episodes/rails-api-basics

Unobtrusive scripting adapter vs Remotipart

In this short instruction, I would like to share how to use AJAX file upload in Ruby on Rails. Many of web applications require an easy and common way to upload different type data. To solve this issue, Rails has nice Unobtrusive scripting adapter.

Beware the ORM: Locking and joins

This post is mostly an investigation of database locking behavior, specifically what happens when you combine locking and joins. It’s also briefly a response to haters of ORMs like Rails.

Improve response time with parallel rendering in Rails

Simple Authentication for one user in Rails

In this article we will bulid simple session based authentication for one user for Rails from scratch. http://www.eq8.eu/blogs/31-simple-authentication-for-one-user-in-rails

Bridge and torch problem solver

The bridge and torch problem (also known as The Midnight Train and Dangerous crossing) is a logic puzzle that deals with four people, a bridge and a torch. It is one of the category of river crossing puzzles, where a number of objects must move across a river, with some constraints. Read more

Adding dynamic content in KMS is now super easy

Just released and published new and the most powerful extension for KMS content management system allowing to create dynamic content (models) on-the-fly. Give it a try -

Examples of rails apps

Hey, we’ve just completed a catalog of web apps built with Ruby on Rails: It already has some good examples of Rails apps but feel free to submit other apps if you think they are a great example of what RoR is capable of.

Rails and DynamoDB How To

In this walkthough I will show you how to save data in a NoSQL database like Amazon DynamoDB, using Ruby on Rails framework. To make this example as useful as possible I’ve created the project using the following steps: 1. created a new rails application and a NoSQL database in Amazon DynamoDB 2. included the aws-sdk gem 3. created a config file with the credentials 4. implemented a method that connects to the DynamoDB table 5. created a form and processing data in POST More:

Liquid water pouring puzzles solver

Water pouring puzzles (also called water jug problems or measuring puzzles) are a class of puzzle involving a finite collection of water jugs of known integer capacities (in terms of a liquid measure such as liters or gallons). Initially each jug contains a known integer volume of liquid, not necessarily equal to its capacity. Puzzles of this type ask how many steps of pouring water from one jug to another (until either one jug becomes empty or the other becomes full) are needed to reach a goal state, specified in terms of the volume of liquid that must be present in some jug or jugs. Read more

find vs exists?

How about if we try to find a document with the given criteria in Mongoid but it was not found and an error got raised? We just wanted to the return to be either true or false. We should not change any configuration, instead we should change our query itself. Lets find out. Read more

45 Ruby Blogs

45 Ruby Blogs On Honeypot, Ruby is the second most popular language, following JavaScript. Ruby is part of our own tech stack and the following list is an ode to Matz and our favourite Ruby blogs, forums and newsletters.

London Ruby Unconference Registration Now Open (Oct 22)

Get your ticket for this event taking place on Saturday, Oct 22, 2016 in Holborn, London, Uk. Read more

Karafka framework - Ruby + Kafka made easier

Karafka provides a higher-level abstraction for building Ruby Apache Kafka based applications. Instead of focusing on single topic consumption, it provides developers with a set of tools that are dedicated for building multi-topic applications similarly to how Rails applications are being built. You can read more about Karafka here: Karafka (Ruby + Kafka framework) 0.5.0 release details

Concurrency in Ruby 3 with Guilds

After reading and watching Koichi Sasada’s proposal for Guilds in Ruby 3 at Ruby Kaigi earlier this month, I decided to try to summarize his proposal in a blog post to help everyone understand the concept.

Notes On Sane Monkey-patching

Here are (semi)random notes, trying to outline a system of views on controversional “monkey-patching” topic—the views I myself consider sane and reasonable. It may seem other way for you, but it could be a start for rational discussion. (discuss on reddit)

Using Phoenix with Legacy Rails Applications

Wrote a blog post about how to leverage the power of Elixir and Phoenix in your existing legacy Rails applications today. Read it Here.

Embrace your inner Project Manager

Wrote a blog post about the skills an engineer needs to manage their own Technical Upgrades

Minitest Cheat Sheet

This Minitest cheat sheet covers basic test structure, the default assertions, class-level options, and writing custom assertions.

Rails Dev. Environment based on Vagrant, VirtualBox and Ubuntu 16.04

Check out this Ruby/Rails Development Environment based on Vagrant, VirtualBox and Ubuntu 16.04 (Xenial Xerus). Tested on Windows and Ubuntu 16.04 hosts, should also work on OSX hosts.