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How to hide 'Back' button on navigation bar on iPhone?
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Don't forget that we have the slide to back gesture now. You probably want to remove this as well. Don't forget to enable it back again if necessary.
if ([self.navigationItem respondsToSelector:@selector(hidesBackButton)]) {
self.navigationItem.hidesBackButton = YES;
}
i...
How can I use interface as a C# generic type constraint?
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I know this is a bit late but for those that are interested you can use a runtime check.
typeof(T).IsInterface
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impro...
How to avoid overflow in expr. A * B - C * D
...c * d
x / (a * d) = (a * b - c * d) / (a * d)
x / (a * d) = b / d - c / a
now, the integer/mod stuff:
x / (a * d) = (b / d + ( b % d ) / d) - (c / a + ( c % a ) / a )
x / (a * d) = (b / d - c / a) - ( ( c % a ) / a - ( b % d ) / d)
x = (b / d - c / a) * a * d - ( ( c % a ) * d - ( b % d ) * a)
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iOS start Background Thread
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cool! didn't know this. Does this apply to [NSThread detachNewThreadSelector:@selector.... also?
– Srikar Appalaraju
Aug 14 '11 at 7:25
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F# changes to OCaml [closed]
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And now the link is dead. I suppose that's probably good. I'm sure F# has been improved since '08.
– user1228
May 4 '12 at 14:36
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Best architectural approaches for building iOS networking applications (REST clients)
...esting in the problems of building approaches, which combine several well-known patterns and idioms. I think a lot of Fowler's enterprise patterns can be successfully applied to the mobile applications. Here is a list of the most interesting ones, which we can apply for creating an iOS application a...
What's the difference between the atomic and nonatomic attributes?
.../nonatomic/retain/assign/copy are merely advisory. (Note: @synthesize is now the default behavior in recent versions of LLVM. There is also no need to declare instance variables; they will be synthesized automatically, too, and will have an _ prepended to their name to prevent accidental direct ...
What is a “thread” (really)?
...ctions.
Suppose you're reading a book, and you want to take a break right now, but you want to be able to come back and resume reading from the exact point where you stopped. One way to achieve that is by jotting down the page number, line number, and word number. So your execution context for read...
What is an EJB, and what does it do?
...you place EJBs in general? I'd say they belong to Model layer, although I know many people who say they are controllers. If EJB contain business logic (you said they do), then they're model layer by definition.
– user107986
Sep 29 '15 at 20:43
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Android accelerometer accuracy (Inertial navigation)
...which would be pretty limiting. No one reads the TOS anyway.
Oh, and you know that INS drifts with the rotation of the earth, right? So there's that too. One hour later and you're mysteriously climbing on a 15° slope into space. That's assuming you had an INS capable of maintaining location that l...