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How to install multiple python packages at once using pip
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– Jonathan Cross
Nov 9 '17 at 14:15
Does this pip install wsgiref boto install the libraries with their dependencies...
'IF' in 'SELECT' statement - choose output value based on column values
..., amount * -1) as amount
FROM report
See http://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html.
Additionally, you could handle when the condition is null. In the case of a null amount:
SELECT id,
IF(type = 'P', IFNULL(amount,0), IFNULL(amount,0) * -1) as amount
FROM report
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Compare floats in php
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answered Jun 30 '10 at 11:57
JoeyJoey
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Why would I ever use push_back instead of emplace_back?
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Getting the last element of a list
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3253
some_list[-1] is the shortest and most Pythonic.
In fact, you can do much more with this synta...
Working with Enums in android
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345
Where on earth did you find this syntax? Java Enums are very simple, you just specify the values...
Detect Retina Display
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295
In order to detect the Retina display reliably on all iOS devices, you need to check if the devi...
Fetch frame count with ffmpeg
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165
Note: The presence of an edit list in MP4/M4V/M4A/MOV can affect your frame number. See Edit lis...
Return index of greatest value in an array
...et all these indexes?
– ed1nh0
Apr 15 '19 at 14:02
1
@ed1nh0: The easy way is to make multiple pa...
Missing Maven dependencies in Eclipse project
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answered Dec 6 '14 at 21:59
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