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Days between two dates? [duplicate]

...er of days: >>> from datetime import date >>> a = date(2011,11,24) >>> b = date(2011,11,17) >>> a-b datetime.timedelta(7) >>> (a-b).days 7 And it works with datetimes too — I think it rounds down to the nearest day: >>> from datetime import...
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Should I return EXIT_SUCCESS or 0 from main()?

...eing conflicting answers: should the main routine of a C++ program return 0 or EXIT_SUCCESS ? 8 Answers ...
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Write bytes to file

I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example, ...
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Principal component analysis in Python

... | edited Sep 3 '10 at 11:40 nikow 19.6k66 gold badges4242 silver badges6969 bronze badges answe...
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Random float number generation

...need to employ a more advanced method. This will generate a number from 0.0 to 1.0, inclusive. float r = static_cast <float> (rand()) / static_cast <float> (RAND_MAX); This will generate a number from 0.0 to some arbitrary float, X: float r2 = static_cast <float> (rand()) / ...
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In Typescript, How to check if a string is Numeric

... edited Feb 13 '18 at 14:19 k0pernikus 35.4k4040 gold badges154154 silver badges266266 bronze badges answered May 3 '14 at 6:09 ...
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Compare if BigDecimal is greater than zero

... It's as simple as: if (value.compareTo(BigDecimal.ZERO) > 0) The documentation for compareTo actually specifies that it will return -1, 0 or 1, but the more general Comparable<T>.compareTo method only guarantees less than zero, zero, or greater than zero for the appropriate ...
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How can I get the client's IP address in ASP.NET MVC?

...e { szIP = szXForwardedFor; if (szIP.IndexOf(",") > 0) { string [] arIPs = szIP.Split(','); foreach (string item in arIPs) { if (!isPrivateIP(item)) { return item; ...
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Maximum single-sell profit

...ry!), but it's helpful to see the algorithm evolve: 5 10 4 6 7 min 5 5 4 4 4 best (5,5) (5,10) (5,10) (5,10) (5,10) Answer: (5, 10) 5 10 4 6 12 min ...
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How to get the seconds since epoch from the time + date output of gmtime()?

...calendar.timegm(). >>> calendar.timegm(time.gmtime()) 1293581619.0 You can turn your string into a time tuple with time.strptime(), which returns a time tuple that you can pass to calendar.timegm(): >>> import calendar >>> import time >>> calendar.timegm(time....