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The tilde operator in C
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@MarcusJ Yes, one's complement works for converting signed to unsigned (signed->unsigned). (Note though it's easier to just assign the value to a variable declared differently and lett the compiler worry about it.) But it does not work the other way around (unsig...
Remove element of a regular array
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@MartinBrown Actually, converting a list to\from and array is much slower than an array copy (which is able to copy the data at the max speed allowed by the CPU with just a few ASM instructions). Also, shifting a list is very fast because it is ju...
What does !! mean in ruby?
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Not not. It's used to convert a value to a boolean:
!!nil #=> false
!!"abc" #=> true
!!false #=> false
It's usually not necessary to use though since the only false values to Ruby are nil and false, so it's usually best to let that c...
What's the best way to check if a file exists in C?
...y test for write permission, since the access function does not take DACLs into account. access( fname, W_OK ) may return 0 (success) because the file does not have the read-only attribute set, but you still may not have permission to write to the file.
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Sort a Custom Class List
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Only thing you'd have to do when creating the instance of the class to convert your string containing the date into DateTime type, but it can be done easily e.g. by DateTime.Parse(String) method.
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How do I drop table variables in SQL-Server? Should I even do this?
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@JNKs point about them being unaffected by transactions is important, you can use table variables to hold data and write to a log table after an error causes a rollback.
– HLGEM
Apr 13 '11 at 18...
Import module from subfolder
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There's no need to mess with your PYTHONPATH or sys.path here.
To properly use absolute imports in a package you should include the "root" packagename as well, e.g.:
from dirFoo.dirFoo1.foo1 import Foo1
from dirFoo.dirFoo2.foo2 import Foo2
Or you can use relative impor...
Difference between byte vs Byte data types in C# [duplicate]
...yte"); //doesn't work, I can see no way to use"byte" directly here without converting it to "Byte"
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Convert an image (selected by path) to base64 string
How do you convert an image from a path on the user's computer to a base64 string in C#?
12 Answers
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How should I log while using multiprocessing in Python?
...his logger has process-shared locks so that you don't garble things up in sys.stderr (or whatever filehandle) by having multiple processes writing to it simultaneously.
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