Recent questions tagged Automatic

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automatic ref counting - How do I declare an array of weak references in Swift?

I'd like to store an array of weak references in Swift. The array itself should not be a weak reference - its elements should be. I think Cocoa NSPointerArray offers a non-typesafe version of this. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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automatic ref counting - Objective-C declared @property attributes (nonatomic, copy, strong, weak)

Can someone explain to me in detail when I must use each attribute: nonatomic, copy, strong, weak, and so on, for a declared property, and explain what each does? Some sort of example would be great also. I am using ARC. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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automatic ref counting - Shall we always use [unowned self] inside closure in Swift

In WWDC 2014 session 403 Intermediate Swift and transcript, there was the following slide The speaker said in that case, if we don't use [unowned self] there, ... = { [unowned self] temp in self.currentTemp = temp } } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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automatic date picking selenium

I am working on automating some web related task. For that I am using selenium. However, After trying hours I could not figure out to automate date picking. ... left calendar. Update: I decided to click month and year button using xPath....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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