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Why would you ever implement finalize()?
...ve been reading through a lot of the rookie Java questions on finalize() and find it kind of bewildering that no one has really made it plain that finalize() is an unreliable way to clean up resources. I saw someone comment that they use it to clean up Connections, which is really scary since the...
Python (and Python C API): __new__ versus __init__
...stion I'm about to ask seems to be a duplicate of Python's use of __new__ and __init__? , but regardless, it's still unclear to me exactly what the practical difference between __new__ and __init__ is.
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How can I increment a char?
I'm new to Python, coming from Java and C. How can I increment a char? In Java or C, chars and ints are practically interchangeable, and in certain loops, it's very useful to me to be able to do increment chars, and index arrays by chars.
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How to get number of rows using SqlDataReader in C#
...defined except for one that states to do a while loop with Read() method and increment a counter.
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How to run multiple .BAT files within a .BAT file
...ts.bat
call deploy.bat
When not using CALL, the current batch file stops and the called batch file starts executing. It's a peculiar behavior dating back to the early MS-DOS days.
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Is there Unicode glyph Symbol to represent “Search” [closed]
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There is U+1F50D LEFT-POINTING MAGNIFYING GLASS (????) and U+1F50E RIGHT-POINTING MAGNIFYING GLASS (????).
You should use (in HTML) 🔍 or 🔎
They are, however not supported by many fonts (fileformat.info only lists a few fonts as supporting the Codepoint w...
multiprocessing: sharing a large read-only object between processes?
...ng share objects created earlier in the program?"
No (python before 3.8), and Yes in 3.8 (https://docs.python.org/3/library/multiprocessing.shared_memory.html#module-multiprocessing.shared_memory)
Processes have independent memory space.
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To make best use of a large structure with lots...
public friend swap member function
In the beautiful answer to the copy-and-swap-idiom there is a piece of code I need a bit of help:
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What does the comma operator , do?
...ression2)
First expression1 is evaluated, then expression2 is evaluated, and the value of expression2 is returned for the whole expression.
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How to handle exceptions in a list comprehensions?
...amp;c in case of exceptions), so it's impossible, literally speaking, to "handle exceptions in a list comprehension" because a list comprehension is an expression containing other expression, nothing more (i.e., no statements, and only statements can catch/ignore/handle exceptions).
Function calls ...