diff --git a/guides/source/debugging_rails_applications.md b/guides/source/debugging_rails_applications.md index c486009741..76fdbb2f72 100644 --- a/guides/source/debugging_rails_applications.md +++ b/guides/source/debugging_rails_applications.md @@ -351,6 +351,7 @@ by asking the debugger for help. Type: `help` help -- prints this help. help -- prints help on command . help -- prints help on 's subcommand . +``` To see the previous ten lines you should type `list-` (or `l-`). @@ -458,12 +459,12 @@ The debugger can list, stop, resume and switch between running threads by using the `thread` command (or the abbreviated `th`). This command has a handful of options: -* `thread` shows the current thread. -* `thread list` is used to list all threads and their statuses. The plus + +* `thread`: shows the current thread. +* `thread list`: is used to list all threads and their statuses. The plus + character and the number indicates the current thread of execution. -* `thread stop _n_` stop thread _n_. -* `thread resume _n_` resumes thread _n_. -* `thread switch _n_` switches the current thread context to _n_. +* `thread stop _n_`: stop thread _n_. +* `thread resume _n_`: resumes thread _n_. +* `thread switch _n_`: switches the current thread context to _n_. This command is very helpful when you are debugging concurrent threads and need to verify that there are no race conditions in your code. @@ -741,12 +742,12 @@ To list all active catchpoints use `catch`. There are two ways to resume execution of an application that is stopped in the debugger: -* `continue` [line-specification] \(or `c`): resume program execution, at the +* `continue [line-specification]` \(or `c`): resume program execution, at the address where your script last stopped; any breakpoints set at that address are bypassed. The optional argument line-specification allows you to specify a line number to set a one-time breakpoint which is deleted when that breakpoint is reached. -* `finish` [frame-number] \(or `fin`): execute until the selected stack frame +* `finish [frame-number]` \(or `fin`): execute until the selected stack frame returns. If no frame number is given, the application will run until the currently selected frame returns. The currently selected frame starts out the most-recent frame or 0 if no frame positioning (e.g up, down or frame) has been