How do you comment out a section of code in Ruby?

Single line comments in a Ruby script are defined with the ‘#’ character. For example, to add a single line comment to a simple script: # This is a comment line – it explains that the next line of code displays a welcome message print “Welcome to Ruby!”

How do you comment text in Ruby?

Comments in Ruby begin with a hash mark ( # ) and continue to the end of the line, like this:

1. # This is a comment in Ruby.
2. # Display a prompt to the user puts “Please enter your name.” # Save the input they type and remove the last character (the enter keypress) name = gets.

How do you comment on ERB?

erb is by definition “embedded ruby”, you can embed every ruby code between: <%= and the other: %> , typically all written in one line. In addition, ruby one-line comments start always with # , so the <%=# Comment %> style matches perfectly with both pure-ruby and erb styles for one-line comments.

How do you comment in code?

Everything from the // to the end of the line is a comment. To mark an entire region as a comment, use /* to start the comment and */ to end the comment. * This is a block comment. * This code does nothing.

How do you comment out code in Rails?

As the other answers said, use <% #comment %> to comment within a Rails view.

How do you comment HTML code?

This element is used to add a comment to an HTML document. An HTML comment begins with –– and the comment closes with ––> . HTML comments are visible to anyone that views the page source code, but are not rendered when the HTML document is rendered by a browser.

How do you abbreviate comments?

As for any abbreviation of the word comment, or comments, try: – cmt. – cmnt.

How to have multiline comments in Ruby?

#!/usr/bin/env ruby =begin Every body mentioned this way to have multiline comments. The =begin and =end must be at the beginning of the line or it will be a syntax error. =end puts “Hello world!” <<-DOC Also, you could create a docstring. which…

What is the best way to write documentation for a Ruby project?

I would highly suggest using RDoc. It is pretty much the standard. It is easy to read the code comments, and it allows you to easily create web-based documentation for your project. Show activity on this post. I would suggest getting to know RDoc as is stated. But don’t ignore the very popular YARD A Ruby Document tool, as well.

Is it possible to comment out between two characters in C++?

Neither do “/*” and “*/” in Java, C and C++. As with the Ruby syntax, large blocks of code might be commented out between those two characters, and everyone who knows the basics of the language knows what they mean. – La-comadreja

Is there a way to comment out large blocks of code?

1 Neither do “/*” and “*/” in Java, C and C++. As with the Ruby syntax, large blocks of code might be commented out between those two characters, and everyone who knows the basics of the language knows what they mean. – La-comadreja