Programming is FUN!

The best tutorial about auto complete control by far was one from Ryan Bates. It worked like a charm, and he made it look so easy. Only problem I had with it was that I wanted another control on the form to filter the auto-complete control.
The tutorial didn’t cover that, so I got stranded in a strange place. The solution was pretty simple, but it took me a while to figure it out. If you are just beginning Rails like I am – this is rigth tutorial for you.

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Block is basically anonymous method that gets called from another method. If you have some code that executes passed in method like this:

def execute_method_in_block(named_method)
    named_method.call
    named_method.call
end

execute_method_in_block Proc.new {puts "Hello, blocks are cool!"}

You can write it like this using blocks:

def execute_method_in_block
    yield
    yield
end

execute_method_in_block  {puts "Hello, blocks are cool!"}

We’ve lost “Proc.new” and a method name, we are just saying

Whenever you find yield, execute block that is defined within braces.

You might be wondering what’s the fuss all about, (more…)