Setting up development enviroment with Vagrant

Nowadays we have to work on different different web stacks at the same time. Even in same web stack our production environment and development environment are totally different. It became obvious to use visualization in order to solve this problem. There are a couple of solutions exist such as vagrants, docker (based on Linux container), … 

 

Custom validations in Rails 3

Today, I am writing the blog post with my late apologization. Sorry to all of my readers and followers for not writing any good posts on the last couple of days. I am passing very busy time for the office project as well as my Grad school. By the way, I started my new career … 

 

load, require, include and extend in Ruby with module and mix-ins concept

Nowadays, a lot of programmers are switching to Ruby language for its awesomeness. Most of them are having the problem of adopting some concepts of Ruby language. That’s why today I am writing on some basics of Ruby language. Basically, I will clear the concept among load, require, include and extend and how they are … 

 

Qmake and Qt in latest version of Fedora distro

Yes, again I came back to my blog after a little while. Since it has been 1 year I haven’t posted anything. Whatever, it’s not so technical nor even a big post. Today I will just explain a weird problem and its solution. Basically, the problem is a bit tricky but the solution is very … 

 

Weird Error: Fatal error: Class ‘CI_Controller’ not found in Codeigniter Framework

It’s a simply weird and misleading error message.  I was working on a client project which was actually based on Codeigniter  (CI) framework version 2.1.3.  Somehow, I did a typo in DB setting located at config/database.php file. But, I got a very weird error message: Fatal error: Class ‘CI_Controller’ not found in /var/www/my/……./system/core/CodeIgniter.php on line 233 … 

 

Send email using Gmail SMTP from Rails 3 platform

Recently, I co-founded another and my second Startup: InternCity. The Platform is based on Ruby  (v-1.9.3) On Rails (v-3.2).  Developing appplication on RoR platform is most favourite platform right now specially for its rich features and community supports. Whatever, one of its important features was sending email to user on different activities. When it was … 

 

Install Node.js From Source via GIT

Yeah!!! I am going to give to try Node.js by creating small product. But don’t have Node.js developing environment ready in my work station. So, I installed by compiling from source via GIT repo. I can switch and update it easily. It’s quite easy. Just follow me. If you don’t have installed GIT in your …