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What is the difference between char array and char pointer in C?
...nal length of the array, if known, for example, if the array is statically allocated), the details can be found in the standard. And at the level of runtime no difference between them (in assembler, well, almost, see below).
Also, there is a related question in the C FAQ:
Q: What is the differe...
Coding Practices which enable the compiler/optimizer to make a faster program
...if you care about performance. For example two-dimensional arrays in C are allocated in row-major format. Traversing arrays in column major format will tend to make you have more cache misses and make your program more memory bound than processor bound:
#define N 1000000;
int matrix[N][N] = { ... }...
Is the pImpl idiom really used in practice?
... create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementations in a better manner).
...
How can I capture the result of var_dump to a string?
...
Use output buffering:
<?php
ob_start();
var_dump($someVar);
$result = ob_get_clean();
?>
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How to create local notifications?
...n *)notification {
UIAlertView *notificationAlert = [[UIAlertView alloc] initWithTitle:@"Notification" message:@"This local notification"
delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil];
[notificationAlert show];
// NSLog(@"didReceiveLocalNotific...
Laravel migration: unique key is too long, even if specified
...tions guide to fix this all you have to do is edit your AppServiceProvider.php file and inside the boot method set a default string length:
use Illuminate\Database\Schema\Builder;
public function boot()
{
Builder::defaultStringLength(191);
}
...
PHP - Move a file into a different folder on the server
... they no longer want them. I was previously using the unlink function in PHP but have since been told that this can be quite risky and a security issue. (Previous code below:)
...
Practical usage of setjmp and longjmp in C
...stroy the return stack (not only local variables) of routineC. So without allocating an exclusive stack (through alloca() after calling rountineB?) you will get in serious trouble with this example if used as a recipe.
– Tino
Apr 11 '15 at 19:12
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Can I change the size of UIActivityIndicator?
Whatever size i give to it while allocation, it shows fixed size only. Is it possible to increase it?
9 Answers
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How does LMAX's disruptor pattern work?
...as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
5 Answers
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