SQL EXISTS vs JOINS
EXISTS vs. JOINS pros and cons have been discussed over the time. I've seen some
different arguments. Some say EXISTS is faster because
Use Concerns in Rails
When it comes that you need to reuse some functions across different models in
Rails, Concern [http://api.rubyonrails.org/classes/ActiveSupport/Concern.html]
comes
Set a default field on a component in ngrx
Imagine we have a flash message component and it has 2 required fields, severity
and message; 2 optional fields, id and dismissable.
In flash-message.reducer.
keydown and keyup with jQuery Steps
We have a legacy app using jQuery Steps for its wizard. Now we'd like to add
some word count/line count alert inside
A Quick Tip for Delayed Job in Rails
I've been pondering on this delayed job in the Rails app. User specify a time
that they'd like the job to