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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...at in layoutSubviews the runtime comes dashing through all the constraints and setting the frames of all the views accordingly.
In other words, the constraints are not magic; they are just a to-do list. layoutSubviews is where the to-do list gets done. And it does it by setting frames.
I can't hel...
Multiple arguments vs. options object
...gLength(inputStr, 10);
I think that code is quite readable the way it is and passing individual parameters is just fine.
On the other hand, there are functions with calls like this:
initiateTransferProtocol("http", false, 150, 90, null, true, 18);
Completely unreadable unless you do some resea...
What is the difference between an IntentService and a Service? [duplicate]
Can you please help me understand what the difference between an IntentService and a Service is?
8 Answers
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What is the difference between map and flatMap and a good use case for each?
Can someone explain to me the difference between map and flatMap and what is a good use case for each?
16 Answers
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Why does Java's hashCode() in String use 31 as a multiplier?
...to Joshua Bloch's Effective Java (a book that can't be recommended enough, and which I bought thanks to continual mentions on stackoverflow):
The value 31 was chosen because it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 i...
'Must Override a Superclass Method' Errors after importing a project into Eclipse
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Eclipse is defaulting to Java 1.5 and you have classes implementing interface methods (which in Java 1.6 can be annotated with @Override, but in Java 1.5 can only be applied to methods overriding a superclass method).
Go to your project/IDE preferences and s...
How to pass objects to functions in C++?
...C++11:
Pass by value, except when
you do not need ownership of the object and a simple alias will do, in which case you pass by const reference,
you must mutate the object, in which case, use pass by a non-const lvalue reference,
you pass objects of derived classes as base classes, in which case yo...
CocoaPods Errors on Project Build
... major changes to my Podfile. My solution was to remove the workspace file and run pod install again:
rm -rf MyProject.xcworkspace
pod install
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What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter?
What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter ?
7 Answers
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What are unit tests, integration tests, smoke tests, and regression tests?
What are unit tests, integration tests, smoke tests, and regression tests? What are the differences between them and which tools can I use for each of them?
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