Ruby Archives - Wildeng TechDad

Programming

Simple Ruby Tip – Return Multiple Values

September 16, 2017 By wildeng

Return Multiple Values As many of you already know, everything in Ruby is an object so, when you create a method, it actually returns an object. What I want to show here is how to return multiple values (multiple objects) out of a Ruby function. Unfortunately Ruby does not support the returning of multiple objects, […]

Programming

How to check system endianness using Ruby

July 2, 2015 By wildeng

Check system endianness using Ruby Hello folks, today I’d like to share with you a simple way to check the endianness of your system using Ruby and it’s based on the “pack” method in Ruby’s Array; pack simply represents the content of an array in a binary sequence according to a directive given to it as […]

Programming

Ruby tip of the day

July 4, 2014 By wildeng

Hi folks! Have you ever thought about removing new line “\n” and all whitespaces from a string? The magic we need is in Ruby “gsub” function: " My string\n ".gsub("\n","").strip the first gsub removes all newline characters while the second one removes all whitespaces; so the result will be Mystring isn’t it simple? If […]

Programming

Functional tests using Devise gem and Declarative authorization gem

April 9, 2013 By wildeng

Hello, During these past days, I’ve been busy in writing test methods to check the reliability of a web application I’m working on, and I had to face many different problems; the main one was gathering information about writing good tests and the tools used to do it, while another one was how to test […]

Programming

Issue with mysql2 on RoR installed on Ubuntu 12.04

January 30, 2013 By wildeng

Hello, Here a simple solution for this issue Enjoy!

Programming

Placing Multiple Button_To on the Same Line – Ruby on Rails | What I Broke

January 18, 2013 By wildeng

Simple solution found here: Placing Multiple Button_To on the Same Line – Ruby on Rails | What I Broke.

Linux tips

Install RMagick gem

July 31, 2012 By wildeng

Hello to everyone, today, since I couldn’t find any Dicom viewer for Linux, I had to install RMagick together with ruby-dicom. While installing RMagick gem, I got this error: checking for Magick-config… no Can't install RMagick 2.3.0. Can't find Magick-config in So, since the ImageMagick default installation on my Ubuntu is not complete I […]

Programming

Rails 3 and Web Services

July 21, 2012 By wildeng

Hello to everyone, Working for a new company brings a lot of new excitement and also a lot of new stuff to learn; now it’s Rails 3 and Ruby moment… So, because of a project I’m following, I had the need to learn how to get something out of a web service using Ruby… Well, […]