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Exit codes in Python

... What you're looking for in the script is calls to sys.exit(). The argument to that method is returned to the environment as the exit code. It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code. ...
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How does free know how much to free?

... FYI, for example BSD has malloc_size() to reliably access the block size from an malloc()ed pointer. But there's no reliable, portable way. – laalto Oct 5 '09 at 7:53 ...
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iPhone hide Navigation Bar only on first page

... hidden when the first view loads and then hidden when the "children" get called. Trouble is that I cannot find the event/action to trigger it to hide again when they get back to the root view.... ...
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Install tkinter for Python

...: No module named 'tkinter' I Use(Python 3.7.5) – sqp_125 Dec 9 '19 at 18:30 Solution: sudo apt-get install python3.7-...
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byte[] to hex string [duplicate]

... @Grungondola: It sounds strange that all other ways of converting bytes to a string would be so much slower. You weren't using += to concatenate the strings together, were you? – Guffa Nov 23 '15 at 22:29 ...
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How to convert an entire MySQL database characterset and collation to UTF-8?

... @Andrew Large production systems usually have a mirrored DB for maintenance. – BalusC Nov 30 '17 at 16:19 1 ...
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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?

...swered Jun 17 '16 at 15:20 James_picJames_pic 2,9321414 silver badges2323 bronze badges ...
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Ternary Operator Similar To ?:

...or that we just defined: object T { val condition = true import Bool._ // yay! val x = condition ? "yes" | "no" } Have fun ;) share | improve this answer | ...
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Determine Whether Two Date Ranges Overlap

... Proof: Let ConditionA Mean that DateRange A Completely After DateRange B _ |---- DateRange A ------| |---Date Range B -----| _ (True if StartA > EndB) Let ConditionB Mean that DateRange A is Completely Before DateRange B |---- DateRange A ...
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How to get all possible combinations of a list’s elements?

...ave a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers. 27 An...