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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...
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Python - Create a list with initial capacity

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What is the difference between include and extend in Ruby?

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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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Fork and synchronize Google Code Subversion repository into GitHub

How can I fork and keep in sync with an Google Code Subversion repository that I don't have write access to, into a GitHub repository? ...
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CSS transition shorthand with multiple properties?

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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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Truncating long strings with CSS: feasible yet?

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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?

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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 28 Answers ...