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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 ;)
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Can not connect to local PostgreSQL
...#unix_socket_permissions = 0777 # check this one and uncomment if necessary.
EDIT:
I've done a quick search on google which you may wish to look into to see if it is relavent.
This might well result in any attempt to find your config file failing.
http://www.postgresqlforma...
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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Why does Lua have no “continue” statement?
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69
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Difference between API and ABI
...eter. So as a Programming Interface it's all expressed in source code. The compiler turns this into executable instructions which conform to the implementation of this language on this particular operating system. And in this case result in some low level operations on an Audio unit. So particular b...
Squash my last X commits together using Git
How can I squash my last X commits together into one commit using Git?
35 Answers
35
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What should every programmer know about security? [closed]
...r in university. Until now we've been studing a lot of subjects related to computers in general (programming, algorithms, computer architecture, maths, etc).
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SQLite add Primary Key
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@umesh stackoverflow.com/questions/4253804/…
– Nathan Ridley
Aug 11 '16 at 0:28
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