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GPU Emulator for CUDA programming without the hardware [closed]
...memory are properly synchronized, and global memory dereferencing accesses allocated regions of memory. We have also implemented a command-line interactive debugger inspired largely by gdb to single-step through CUDA kernels, set breakpoints and watchpoints, etc... These tools were specifically deve...
Bold & Non-Bold Text In A Single UILabel?
...utableAttributedString *attributedText =
[[NSMutableAttributedString alloc] initWithString:text
attributes:attrs];
[attributedText setAttributes:subAttrs range:range];
// Set it in our UILabel and we are done!
[_label setAttributedText:...
What is a smart pointer and when should I use one?
...nt: When a smart pointer is no longer in use, the memory it points to is deallocated (see also the more detailed definition on Wikipedia).
When should I use one?
In code which involves tracking the ownership of a piece of memory, allocating or de-allocating; the smart pointer often saves you the ne...
iOS: How to store username/password within an app?
... of this class:
KeychainItemWrapper *keychainItem = [[KeychainItemWrapper alloc] initWithIdentifier:@"YourAppLogin" accessGroup:nil];
(YourAppLogin can be anything you chose to call your Keychain item and you can have multiple items if required)
Then you can set the username and password using:
...
How does the NSAutoreleasePool autorelease pool work?
As I understand it, anything created with an alloc , new , or copy needs to be manually released. For example:
7 Answer...
Animate change of view controllers without using navigation controller stack, subviews or modal cont
...ngWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
MyViewController *vc = [[MyViewContoller alloc] init...];
self.transitionController = [[TransitionController alloc] initWithViewController:vc];
self.window.roo...
What are the differences between Rust's `String` and `str`?
...he executable and loaded into memory when the program runs.
Inside a heap allocated String: String dereferences to a &str view of the String's data.
On the stack: e.g. the following creates a stack-allocated byte array, and then gets a view of that data as a &str:
use std::str;
let x:...
Is an array name a pointer?
...a normal pointer would)?
When you create an array, the only space that's allocated is the space for the elements themselves; no storage is materialized for a separate pointer or any metadata. Given
char a[10];
what you get in memory is
+---+
a: | | a[0]
+---+
| | a[1]
+---+
...
How do I create an array of strings in C?
...ar *a[2];
a[0] = "blah";
a[1] = "hmm";
When you do it like this you will allocate an array of two pointers to const char. These pointers will then be set to the addresses of the static strings "blah" and "hmm".
If you do want to be able to change the actual string content, the you have to do some...
How to use UIVisualEffectView to Blur Image?
...isualEffectView *visualEffectView;
visualEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
visualEffectView.frame = imageView.bounds;
[imageView addSubview:visualEffectView];
and Swift:
var visualEffectView = UIVisualEffectView(effect: UIBlurEffect(style: .Light))
visualE...