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Why is early return slower than else?
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+100
This is a pure guess, and I haven't figured out an easy way to check whether it is right, but I have a theory for you.
I tried your...
Difference between two dates in MySQL
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SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01');
-- result: 22:00:59, the difference in HH:MM:SS format
SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00');
-- result: 79259 the difference in seconds
So, you can u...
How do I return rows with a specific value first?
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106
If your SQL dialect is intelligent enough to treat boolean expressions as having a numeric val...
Why prefer two's complement over sign-and-magnitude for signed numbers?
...2 and -1. In your "intuitive" way of representing numbers, they would be 0010 and 1001, respectively (I'm sticking to 4 bits for size). In the two's complement way, they are 0010 and 1111. Now, let's say I want to add them.
Two's complement addition is very simple. You add numbers normally and any ...
Cannot import the keyfile 'blah.pfx' - error 'The keyfile may be password protected'
We just upgraded our Visual Studio 2008 projects to Visual Studio 2010. All of our assemblies were strong signed using a Verisign code signing certificate. Since the upgrade we continuously get the following error:
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Meaning of @classmethod and @staticmethod for beginner? [duplicate]
...ject.
– Bahubali Patil
Jun 2 '19 at 10:30
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How to get number of entries in a Lua table?
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answered Apr 24 '10 at 19:14
u0b34a0f6aeu0b34a0f6ae
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Using OR in SQLAlchemy
... of "OR"s is way faster than using "IN". Also "IN" is limited to a set of ~1000 entries, while "OR" is not.
– g.a
Sep 5 '18 at 21:13
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hasNext in Python iterators?
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109
No, there is no such method. The end of iteration is indicated by an exception. See the docume...
If isset $_POST
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oopbaseoopbase
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