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Using the Swift if let with logical AND operator &&
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As of Swift 1.2, this is now possible. The Swift 1.2 and Xcode 6.3 beta release notes state:
More powerful optional unwrapping with if let — The if let construct
can now unwrap multiple optionals at once, as well as include
intervening boolean conditions. This lets you express co...
git log of a single revision
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273
You can use show:
git show commit_id
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What is & used for
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130
& is HTML for "Start of a character reference".
& is the character reference for "...
How to select a single field for all documents in a MongoDB collection?
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answered Aug 31 '14 at 5:15
therealrootusertherealrootuser
6,08966 gold badges2323 silver badges4343 bronze badges
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In Python, how do you convert seconds since epoch to a `datetime` object?
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answered Sep 12 '10 at 10:33
SilentGhostSilentGhost
246k5454 gold badges286286 silver badges278278 bronze badges
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In Xcode, how to suppress all warnings in specific source files?
In my application I use 3rd party code that triggers some warnings. I reviewed them and they can be safely ignored.
3 Answe...
Failed binder transaction when putting an bitmap dynamically in a widget
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answered Dec 31 '11 at 14:13
GalDude33GalDude33
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How can I output UTF-8 from Perl?
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answered Mar 9 '09 at 19:34
Chris LutzChris Lutz
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