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Find MongoDB records where array field is not empty
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11 Answers
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Scala 2.8 breakOut
...e the best builder possible. For example, if I were to write Map('a' -> 1).map(_.swap), I'd like to get a Map(1 -> 'a') back. On the other hand, a Map('a' -> 1).map(_._1) can't return a Map (it returns an Iterable).
The magic of producing the best possible Builder from the known types of t...
Can you have if-then-else logic in SQL? [duplicate]
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You can make the following sql query
IF ((SELECT COUNT(*) FROM table1 WHERE project = 1) >...
Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
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Save the conditions in a list:
List<string> conditions = new List<string>();
if ...
How do you pass multiple enum values in C#?
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Accessing dict keys like an attribute?
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The best way to do this is:
class AttrDict(dict):
def __init__(self, *args, **kwargs):
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Installing Numpy on 64bit Windows 7 with Python 2.7.3 [closed]
...ooks like the only 64 bit windows installer for Numpy is for Numpy version 1.3.0 which only works with Python 2.6
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calculating the difference in months between two dates
...o months difference? If you say it should yield one, then what about July 31, 2009 and August 1, 2009? Is that a month? Is it simply the difference of the Month values for the dates, or is it more related to an actual span of time? The logic for determining all of these rules is non-trivial, so you'...
Uninstall / remove a Homebrew package including all its dependencies
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Update value of a nested dictionary of varying depth
I'm looking for a way to update dict dictionary1 with the contents of dict update wihout overwriting levelA
24 Answers
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