Abhishek Sarkar

On Software Design, Architecture, Ruby, Ruby On Rails, JavaScript, Node.js, AngularJS and more...

Custom Errors in Rails - A Cleaner Approach

Often times I have seen programmers raise custom exceptions as, raise 'User is not authenticated', which is a very simple and readable approach but, does not have a well-defined structure to it. These are just strings littered all across your application and sometimes these strings get really really long. Ughh!

Ruby Concurrency and Parallelism - With a Practical Example

Concurrency and Parallelism are not the same thing. Understand how they differ and how it affects multi-threading in Ruby, across interpreters.

A workaround to IE 9's 4095 CSS rule limit

As it turns out IE9 has a limitation of 4095 selectors per CSS file. Selectors beyond that will be simply ignored.

Ruby Decorators

While inheritance is one form of extension it is not always the best way to achieve flexibility in our designs. In certain cases you might want to add a number of different responsibilities to a base class.