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error: use of deleted function
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172
The error message clearly says that the default constructor has been deleted implicitly. It even...
What does addChildViewController actually do?
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I was wondering about this question too. I watched Session 102 of the WWDC 2011 videos and Mr. View Controller, Bruce D. Nilo, said this:
viewWillAppear:, viewDidAppear:, etc have nothing to do with addChildViewController:. All that addChildViewController: does is to say "This view...
Is there a way to hide the scroll indicators in a UIScrollView?
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273
Set the showsHorizontalScrollIndicator and showsVerticalScrollIndicator properties of the UISc...
What is the difference between jQuery's mouseout() and mouseleave()?
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edited Aug 9 '18 at 21:18
Michael La Voie
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Why shouldn't all functions be async by default?
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129
First off, thank you for your kind words. It is indeed an awesome feature and I am glad to have...
What is the difference between active and passive FTP?
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paxdiablopaxdiablo
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Return type of '?:' (ternary conditional operator)
...alue as the result of this conversion would not be an lvalue.
ISO/IEC 14882:2011 references:
3.10 [basic.lval] Lvalues and rvalues (about value categories)
5.15 [expr.cond] Conditional operator (rules for what type and value category a conditional expression has)
5.17 [expr.ass] Assignment and comp...
MongoDB with redis
...ere are a few examples of concrete usage of Redis on top of MongoDB.
Pre-2.2 MongoDB does not have yet an expiration mechanism. Capped collections cannot really be used to implement a real TTL. Redis has a TTL-based expiration mechanism, making it convenient to store volatile data. For instance, u...
Ruby custom error classes: inheritance of the message attribute
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121
raise already sets the message so you don't have to pass it to the constructor:
class MyCustom...