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Make sure only a single instance of a program is running
Is there a Pythonic way to have only one instance of a program running?
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What does O(log n) mean exactly?
I am learning about Big O Notation running times and amortized times. I understand the notion of O(n) linear time, meaning that the size of the input affects the growth of the algorithm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permu...
Truncating long strings with CSS: feasible yet?
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What's an object file in C?
I am reading about libraries in C but I have not yet found an explanation on what an object file is. What's the real difference between any other compiled file and an object file?
I would be glad if someone could explain in human language.
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/
... regional settings issue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479
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Big-oh vs big-theta [duplicate]
It seems to me like when people talk about algorithm complexity informally, they talk about big-oh. But in formal situations, I often see big-theta with the occasional big-oh thrown in.
I know mathematically what the difference is between the two, but in English, in what situation would using big-oh...
Position of least significant bit that is set
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
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CSS transition shorthand with multiple properties?
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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
I searched the web on some technical details about blocking I/O and non blocking I/O and I found several people stating that non-blocking I/O would be faster than blocking I/O. For example in this document .
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