The basic approach is to use the `document.querySelectorAll` to match certain elements, then manually set the display property to 'none' or 'block' (or 'inline-block') to hide or show it. Using the `match` method allows us to detect whether or not the sea...

If you ever want to render a partial but don't want an error thrown you can either check for the existence of the file first params[:controller]+"/sidebar" if File.exists?(RAILS_ROOT+"/app/views/"+params[:controller]+"/_sidebar.html.erb") %> or you ca...

To remove files that are currently being tracked by git, you have to remove them from the "cache". Note, doing this will NOT delete the file on your local machine. It will still be there but not be tracked. git rm -r --cached supersecretpasswords.txt Yo...

Here is a quick and dirty way to destructure dictionaries in [Python] d = {'a':'Apple', 'b':'Banana','c':'Carrot'} a,b,c = [d[k] for k in ('a', 'b','c')] a == 'Apple' b == 'Banana' c == 'Carrot'

I love the Rails reload! function when in the console. I need it in Irb. To get it back this is what I did. If you don't already have an .irbrc file in your home directory, just create it. vim ~/.irbrc or textmate if you prefer mate ~/.irbrc Add this...