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Mark parameters as NOT nullable in C#/.NET?
...de
what else to assign to it? What other value could we pave a freshly
allocated array of references over with, until you get around to
filling it in?
Also, sometimes null is a sensible value in and of itself. Sometimes
you want to represent the fact that, say, a field doesn’t have a
...
Is it better practice to use String.format over string Concatenation in Java?
...er than doing just one instantiation most likely due to the overhead of re-allocating space for the looping append at the end of one builder).
String formatString = "Hi %s; Hi to you %s";
long start = System.currentTimeMillis();
for (int i = 0; i < 1000000; i++) {
String s =...
Completion handler for UINavigationController “pushViewController:animated”?
...atically like this:
PbNavigationController *nc = [[PbNavigationController alloc]initWithRootViewController:yourRootViewController];
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...
When do I need to release the loaded object? No alloc was called, so I would assume it is autorelased?
– Marc
Apr 16 '12 at 13:08
7
...
Conditionally start at different places in storyboard from AppDelegate
...eViewControllerWithIdentifier:storyboardId];
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.rootViewController = initViewController;
[self.window makeKeyAndVisible];
return YES;
}
If the storyboard is configured in the app's plist, the ...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
...f(codes)/sizeof(int);
NSMutableArray *array = [[NSMutableArray alloc] init];
for (int i=0;i<size;++i){
[array addObject:[NSNumber numberWithInt:codes[i]]];
}
codesArray = [array copy];
}
}
return codesArray;
}
Then ...
No output to console from a WPF application?
...32.dll";
[DllImport(Kernel32_DllName)]
private static extern bool AllocConsole();
[DllImport(Kernel32_DllName)]
private static extern bool FreeConsole();
[DllImport(Kernel32_DllName)]
private static extern IntPtr GetConsoleWindow();
[DllImport(Kernel32_DllName)]
p...
back button callback in navigationController in iOS
...l and add an event handler
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@”back”
style:UIBarButtonItemStyleBordered
target:self
action:@selector(handleBack:)];
self.navigationItem.leftBarButtonItem = backButton;
[backButton release];
}
- (void) handleBack:(id)sender
{
//...
How to run a program without an operating system?
...s back output all through the simulated UART:
enter a character
got: a
new alloc of 1 bytes at address 0x0x4000a1c0
enter a character
got: b
new alloc of 2 bytes at address 0x0x4000a1c0
enter a character
See also: How to make bare metal ARM programs and run them on QEMU?
a fully automated Raspberr...
How do I safely pass objects, especially STL objects, to and from a DLL?
...ed with different compilers.
To mitigate this, all memory will have to be allocated into a shared heap, and deallocated from the same heap. Fortunately, Windows provides APIs to help with this: GetProcessHeap will let you access the host EXE's heap, and HeapAlloc/HeapFree will let you allocate and ...