Here’s one that exists in about 150 lines of Python code. You might wonder what the value is. After all, there are plenty of well-done simulators including Quirk that we have looked at in the past.

Quick LinksSet Up Your Development EnvironmentWrite Your First Python ProgramWrite Comments in Your CodeStore Data in ...

Neither one suffices for whole-program analysis—finding out where in the thousands of lines of code your program spends most of its time. cProfile The Python standard library also comes with a ...

It’s no secret that I rather enjoy connecting things to the Internet for fun and profit. One of the tricks I’ve learned along the way is to spin up simple APIs that can be used when prototypi… ...

But annotating four million lines of Python code in this way isn’t a straightforward task, here are some of the lesser-known benefits and how Dropbox accomplished the task.