February 2006
Intermediate to advanced
648 pages
14h 53m
English
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Program Termination
A program terminates when no more statements exist to execute in the input program, when an uncaught SystemExit exception is raised (as generated by sys.exit()), or when the interpreter receives a SIGTERM or SIGHUP signal (on UNIX). On exit, the interpreter decrements the reference count of all objects in all the currently known namespaces (and destroys each namespace as well). If the reference count of an object reaches zero, the object is destroyed and its __del__() method is invoked.
It’s important to note that in some cases the __del__() method might not be invoked at program termination. This can occur if circular references exist between objects (in which case objects may be allocated, but accessible from no known namespace). ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.