In math, a unary operation is an operation with a single input. In Ruby, a unary operator is an operator which only takes a single âargumentâ in the form of a receiver. For example, the â on -5 or ! on !true. In contrast, a binary operator, such as in 2 + 3, deals with two arguments. Here, 2 and 3 (which become one receiver and one argument in a method call to +). Ruby only has a handful of unary
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Welcome to Giant Robots Smashing Into Other Giant Robots â a weblog about development, business, design and technology â written by thoughtbot. One of the biggest features in the latest version of Rails is RESTful routes. By writing the following in your routes.rb file (assuming you have a UsersController): You get the following named routes for free (excluding named routes that include a :format
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