helpermethods

问题 I'm asking because I'm trying to use a mocking framework (Mockito) which does not allow you to mock static methods. Looking into it I've found quite a few blog posts saying that you should have as few static methods as possible, but I'm having difficulty wrapping my head around why. Specifically why methods that don't modify the global state and are basically helper methods. For instance I have a class called ApiCaller that has several static methods. One of the static method's purpose is to

问题 Say I have a Rails Model called Thing. Thing has a url attribute that can optionally be set to a URL somewhere on the Internet. In view code, I need logic that does the following: <% if thing.url.blank? %> <%= link_to(\'Text\', thing_path(thing)) %> <% else %> <%= link_to(\'Text\', thing.url) %> <% end %> This conditional logic in the view is ugly. Of course, I could build a helper function, which would change the view to this: <%= thing_link(\'Text\', thing) %> That solves the verbosity