Arrays in Ruby
Ruby syntax for working with arrays (cheat-sheet):
CSS Symbols
Symbols used in CSS symbol name what for notes . dot (period) denotes class value # pound denotes id value…
Pattern Matching Function (Ruby)
def hilite_search_criteria(pattern, search_criteria) return if pattern.nil? or search_criteria.nil? pattern.gsub!(/(]*>)|\n|\t/s) {” “} match_char = pattern =~ /#{search_criteria}/i matched_string = $~.to_s return…
How to get the current action & controller name in Rails
In your views: controller.action_name controller.controller_name In the controller itself, you can just call controller_name action_name If you want the current…
If an element is visible or hidden using jQuery
Usually you can trust the .toggle function (or .slideToggle) to hide or show whatever you want it to. But occasionally…
jQuery function for slightly opaque images
Here’s a jQuery function to make your images slightly opaque (or “disabled” looking), then have them fade in when you…
How can I see my relative url root? (Rails)
The relative url root is the thing that is appended to the front of your path, but after the domain…
Ruby Strings
symbol what it does + concatenate “a” “b” => -1 >> “a” “a” => 0 >> “b” “a” => 1…
Execute shell script from within ruby
1) Use the “system” method system “ls” 2) Or use backticks. Note that backticks support you returning to the results…
Migration Generator Shortcuts
Some great shortcuts for script generation. I always try to start by building scaffold for any new entity, then remove…