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Using the Swift if let with logical AND operator &&
...r as? UITabBarController where tabBarController.viewControllers.count > 0 {
println("do stuff")
}
This uses the where clause.
Another example, this time casting AnyObject to Int, unwrapping the optional, and checking that the unwrapped optional meets the condition:
if let w = width a...
Static member functions error; How to properly write the signature?
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edited Feb 6 '17 at 17:03
jjxtra
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Using CSS how to change only the 2nd column of a table
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answered Mar 29 '10 at 0:04
Nick Craver♦Nick Craver
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Get all keys of an NSDictionary as an NSArray
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answered Aug 14 '11 at 13:30
YujiYuji
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How can I get every nth item from a List?
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iOS 7 TextKit - How to insert images inline with text?
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Salman Zaidi
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answered Jan 5 '14 at 5:57
bilobatumbilobatum
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sqlite alter table add MULTIPLE columns in a single statement
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answered May 30 '11 at 6:19
mu is too shortmu is too short
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Accessing outside variable using anonymous function as params
...nce).
– Joel Harkes
Jul 24 '18 at 5:04
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Is there a way to automatically build the package.json file for Node.js projects
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Python pandas Filtering out nan from a data selection of a column of strings
...en drop where name is NaN:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
m...
