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Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
...ster.
If you really care, compile with assembler output for your platform and look to see.
It doesn't matter. This never matters. Write your infinite loops however you like.
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How do I pass an object from one activity to another on Android? [duplicate]
I need to be able to use one object in multiple activities within my app, and it needs to be the same object. What is the best way to do this?
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Limit a stream by a predicate
...tream.iterator(), wrap the Iterator to have a "take-while" implementation, and then go back to a Spliterator and then a Stream. Or -- maybe -- wrap the Spliterator, though it can't really be split anymore in this implementation.
Here's an untested implementation of takeWhile on a Spliterator:
sta...
What is an idiomatic way of representing enums in Go?
...s. It is reset to 0 whenever the reserved word const appears in the source and increments after each ConstSpec. It can be used to construct a set of related constants:
const ( // iota is reset to 0
c0 = iota // c0 == 0
c1 = iota // c1 == 1
c2 = iota // c2 == 2
)
const ...
Constants in Objective-C
I'm developing a Cocoa application, and I'm using constant NSString s as ways to store key names for my preferences.
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How to define a two-dimensional array?
...sion that could arise with the indexing, if you use "x" for both the inner and outer lists, and want a non-square Matrix.
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What is the difference between substr and substring?
...t it to the end of the string (no second argument)
– André Chalella
Oct 20 '15 at 2:48
This is so ridiculous that I a...
presentViewController and displaying navigation bar
I have a view controller hierarchy and the top-most controller is displayed as a modal and would like to know how to display the navigation bar when using
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Checking if a key exists in a JavaScript object?
...r, if you want to particularly test for properties of the object instance (and not inherited properties), use hasOwnProperty:
obj.hasOwnProperty("key") // true
For performance comparison between the methods that are in, hasOwnProperty and key is undefined, see this benchmark
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...ecutionEngineError exception. I spent a good 30 minutes trying to isolate and minimize the culprit sample. Compile this using Visual Studio 2012 as a console app:
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