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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...
How to set or change the default Java (JDK) version on OS X?
...u’re using, and the configuration you have in place, so I can’t give a complete solution for that…
– markhellewell
Nov 14 '14 at 2:25
12
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How do I correctly clean up a Python object?
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I'd recommend using Python's with statement for managing resources that need to be cleaned up. The problem with using an explicit close() statement is that you have to worry about people forgetting to call it at all or forgetting ...
Why do we always prefer using parameters in SQL statements?
...with databases. Now I can write SELECT , UPDATE , DELETE , and INSERT commands. But I have seen many forums where we prefer to write:
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Why can't an anonymous method be assigned to var?
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When are you going to compile your SO answers into a book? I'd buy it :)
– Matt Greer
Feb 11 '11 at 16:13
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
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I came up with a way using a list comprehension: df[[(len(x) < 2) for x in df['column name']]] but yours is much nicer. Thanks for your help!
– sjs
Dec 13 '12 at 4:17
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Select SQL Server database size
... , backup_size =
CAST(CASE WHEN s.backup_size = s.compressed_backup_size
THEN s.backup_size
ELSE s.compressed_backup_size
END / 1048576.0 AS DECIMAL(18,2))
, RowNum = ...
Getting attributes of a class
..._') and a[0].endswith('__'))]
[('a', '34'), ('b', '12')]
...and the more complicated of which can include special attribute name checks or even metaclasses ;)
share
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improve this answer
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Git fetch remote branch
...different projects, but they have similarities, so we'll sometimes want to commit back to the * master from the branch .
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Is it a good practice to place C++ definitions in header files?
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Your coworker is wrong, the common way is and always has been to put code in .cpp files (or whatever extension you like) and declarations in headers.
There is occasionally some merit to putting code in the header, this can allow more clever inlining by...