Question 1

How to set a breakpoint in byebug?

Accepted Answer

Use the 'break' command followed by a line number or method name, such as 'break 10' for line 10 or 'break Article#index' for a method. This allows pausing execution at specific points to inspect state.

Question 2

Byebug vs pry: which is better for debugging?

Accepted Answer

Byebug excels at core debugging features like stepping and breaking with better performance due to its C extension, while pry offers superior REPL capabilities. For pure debugging, Byebug is often preferred, but pry is better for interactive exploration.

Question 3

How to step through Rails code with byebug?

Accepted Answer

Add 'byebug' in your Rails controller or model code, then start the server. When execution hits the byebug call, you'll get a prompt where you can use commands like 'next' to move line by line or 'step' to enter methods.

Question 4

Does byebug support remote debugging?

Accepted Answer

Yes, through integrations like ruby-debug-passenger for Passenger. Byebug can be used in remote scenarios with additional setup, though it primarily focuses on local command-line debugging.

Question 5

How to install byebug in a Ruby project?

Accepted Answer

Install it via 'gem install byebug' or add 'gem "byebug", group: "development, test"' to your Gemfile. For Rails, this is common in development and test environments to avoid production overhead.

Question 6

Byebug commands cheat sheet?

Accepted Answer

Common commands include 'next' for executing the next line, 'step' for stepping into methods, 'continue' to resume, and 'backtrace' to view the call stack. The README provides a full table with aliases for quick reference.

byebug

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