How to exit the REPL
You can send the ‘end-of-file’ character. You can just press ctrl-d (*nix) or ctrl-z (Windows) to exit the REPL.
exit
Bash: One-liner to exit with the opposite status of a grep command?
Just negate the return value. ! grep -P “STATUS: (?!Perfect)” recess.txt
Exiting Python Debugger ipdb
The following worked for me: import sys sys.exit() On newer versions of ipython, as mentioned above and below, this doesn’t work. In that case, import os os._exit(0) should still do the trick.
Android: Quit application when press back button
When you press back and then you finish your current activity(say A), you see a blank activity with your app logo(say B), this simply means that activity B which is shown after finishing A is still in backstack, and also activity A was started from activity B, so in activity, You should start activity A … Read more
How to stop execution of a node.js script?
Using a return is the correct way to stop a function executing. You are correct in that process.exit() would kill the whole node process, rather than just stopping that individual function. Even if you are using a callback function, you’d want to return it to stop the function execution. ASIDE: The standard callback is a … Read more
How do __enter__ and __exit__ work in Python decorator classes?
the __exit__() method should accept information about exceptions that come up in the with: block. See here. The following modification of your code works: def __exit__(self, exc_type, exc_value, tb): if exc_type is not None: traceback.print_exception(exc_type, exc_value, tb) # return False # uncomment to pass exception through return True Then you can try raising an exception … Read more
What is the difference between exit and abort?
“Exit, Exit! Abort, Raise…Get Me Outta Here!” describes everything you’d want to know I think. In short: Kernel.exit(code) “exits” the script immediately and returns the code to the OS, however, just before doing it, it calls any registered at_exit handler that your code could have registered. Kernel.exit!(code) does the same, but exits immediatelly, no at_exit … Read more
exit function stack without exiting shell
To exit the function stack without exiting shell one can use the command: kill -INT $$ As pizza stated, this is like pressing Ctrl-C, which will stop the current script from running and drop you down to the command prompt. Note: the only reason I didn’t select pizza’s answer is because this was … Read more
How to cancel shutdown on Linux? [closed]
shutdown -c is “cancel shutdown” on reasonably recent shutdowns. The syntax also supports shutdown -c <message> for announcement purposes, so that’s handy if other people use the machine.