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How do I create a namespace package in Python?
...s useful when you want to release related libraries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH ,
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How do I get an object's unqualified (short) class name?
...ceof. (You can do it with ReflectionClass, but it would have much worse performance.)
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Importing modules from parent folder
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For me this answer has worked out. However, to make it more explicit, the procedure is to import sys and then sys.path.append("..\<parent_folder>")
– BCJuan
Nov 20 '19 at 16:12
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python: How do I know what type of exception occurred?
...e care to do none of those things, it's OK to catch the generic exception. For instance, you could provide information about the exception to the user another way, like:
Present exceptions as dialogs in a GUI
Transfer exceptions from a worker thread or process to the controlling thread or process ...
MySQL: What's the difference between float and double?
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They both represent floating point numbers. A FLOAT is for single-precision, while a DOUBLE is for double-precision numbers.
MySQL uses four bytes for single-precision values and eight bytes for double-precision values.
There is a big difference from floating point numbers and ...
Access multiple elements of list knowing their index
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+1 for mentioning that c = [a[i] for i in b] is perfectly fine. Note that the itemgetter solution will not do the same thing if b has less than 2 elements.
– flornquake
Aug 16 '13 at 11:35...
Declaring variables inside or outside of a loop
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So, since str is not used outside the loop, the smallest possible scope for str is within the while loop.
So, the answer is emphatically that str absolutely ought to be declared within the while loop. No ifs, no ands, no buts.
The only case where this rule might be violated is if for some reaso...
ObjectiveC Parse Integer from String
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Just for us noobs out there coming from other languages, [myStringContainingInt intValue]; can also be written like myStringContainingInt.intValue;
– ToddBFisher
Jan 29 '12 at 6:14
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Open file in a relative location in Python
...pe of thing you need to be careful what your actual working directory is. For example, you may not run the script from the directory the file is in. In this case, you can't just use a relative path by itself.
If you are sure the file you want is in a subdirectory beneath where the script is actua...
How do I mock an open used in a with statement (using the Mock framework in Python)?
...). If you use a MagicMock (as above) then enter and exit are preconfigured for you.
– fuzzyman
Jun 6 '11 at 19:15
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