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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...
Can I obtain method parameter name using Java reflection?
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Feb 10 '10 at 15:23
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How to publish a website made by Node.js to Github Pages?
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edited Mar 21 '15 at 20:31
Gabriel
50199 silver badges2020 bronze badges
answered Mar 30 '13 at 13:32
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How do I erase an element from std::vector by index?
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737
To delete a single element, you could do:
std::vector<int> vec;
vec.push_back(6);
vec.p...
pythonic way to do something N times without an index variable?
...rtelli
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Get current value of a setting in Vim
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389
Add a ? mark after the setting name and it will show the value
:set expandtab?
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Clearing NSUserDefaults
...standardUserDefaults] removePersistentDomainForName:appDomain];
In Swift 3 and later:
if let bundleID = Bundle.main.bundleIdentifier {
UserDefaults.standard.removePersistentDomain(forName: bundleID)
}
This is similar to the answer by @samvermette but is a little bit cleaner IMO.
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Make a program run slowly
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edited May 23 '17 at 10:29
Community♦
111 silver badge
answered Jan 17 '13 at 2:51
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