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Is there any use for unique_ptr with array?
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Some people do not have the luxury of using std::vector, even with allocators. Some people need a dynamically sized array, so std::array is out. And some people get their arrays from other code that is known to return an array; and that code isn't going to be rewritten to return a vector or ...
Applications are expected to have a root view controller at the end of application launch
... make sure self.window is initialized like self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
– Raptor
Feb 13 '12 at 12:07
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Heavy usage of Python at Google [closed]
... C++ and they spend 10% of their time tracking down bugs related to memory allocation, guess who's done faster - even if the C++ shop manages to write the rest of their code just as fast.
So yes, I'd say it is a competitive advantage to code in Python.
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UITableView backgroundColor always gray on iPad
...TableView setBackgroundView:nil];
[myTableView setBackgroundView:[[[UIView alloc] init] autorelease]];
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Java's Virtual Machine and CLR
...ed into "AppDomains", providing sub-application-level sandboxes for memory allocation and code execution).
The CLR bytecode format (composed of MSIL instructions and metadata) has fewer instruction types than the JVM. In the JVM, every unique operation (add two int values, add two float values, etc)...
UITapGestureRecognizer - single tap and double tap
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UITapGestureRecognizer *singleTap = [[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doSingleTap)] autorelease];
singleTap.numberOfTapsRequired = 1;
[self.view addGestureRecognizer:singleTap];
UITapGestureRecognizer *doubleTap = [[[UITapGestureRecognizer alloc] in...
What does “dereferencing” a pointer mean?
... // Note earlier ++p and + 2 here => sizes[3]
Pointers to dynamically allocated memory
Sometimes you don't know how much memory you'll need until your program is running and sees what data is thrown at it... then you can dynamically allocate memory using malloc. It is common practice to store ...
presentViewController and displaying navigation bar
...troller you want:
MyViewController *myViewController = [[MyViewController alloc] initWithNibName:nil bundle:nil];
UINavigationController *navigationController =
[[UINavigationController alloc] initWithRootViewController:myViewController];
//now present this navigation controller modally
[sel...
What's a simple way to get a text input popup dialog box on an iPhone
...will not need a private API for this.
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" otherButtonTitles:nil];
alert.alertViewStyle = UIAlertViewStylePlainTextInput;
[alert show];
[alert release];
This r...
How to initialize a private static const map in C++?
... int>’ as ‘this’ argument of ‘std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = int; _Tp = int; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int>...