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@ character before a function call
What is the difference between these two function calls in PHP?
5 Answers
5
...
Label Alignment in iOS 6 - UITextAlignment deprecated
...fine ALIGN_CENTER UITextAlignmentCenter
#endif
UILabel* label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 50, 30)];
label.text = @"There is no spoon";
label.textAlignment = ALIGN_CENTER;
[self addSubview:label];
shar...
Is it considered acceptable to not call Dispose() on a TPL Task object?
...l you're doing is using
continuations, that event handle will
never be allocated
...
it's likely better to rely on finalization to take care of things.
Update (Oct 2012)
Stephen Toub has posted a blog titled Do I need to dispose of Tasks? which gives some more detail, and explains the impr...
Any equivalent to .= for adding to beginning of string in PHP?
...quired parameter of the function, it needs to be passed to the function or PHP will complain. This means this check can be abbreviated to if ($chunk) (to see if it's falsy a.k.a. "empty"). But, if $chunk doesn't contain anything, nothing will happen anyway. So this whole function body can be abbrevi...
PHP: How to remove specific element from an array?
...lse) {
unset($array[$key]);
}
array_search returns false (null until PHP 4.2.0) if no item has been found.
And if there can be multiple items with the same value, you can use array_keys to get the keys to all items:
foreach (array_keys($array, 'strawberry') as $key) {
unset($array[$key])...
Java dynamic array sizes?
...
No you can't change the size of an array once created. You either have to allocate it bigger than you think you'll need or accept the overhead of having to reallocate it needs to grow in size. When it does you'll have to allocate a new one and copy the data from the old to the new:
int[] oldItems ...
What are the mechanics of short string optimization in libc++?
... minus 2 bytes to store a short string (i.e. largest capacity() without an allocation).
On a 32 bit machine, 10 chars will fit in the short string. sizeof(string) is 12.
On a 64 bit machine, 22 chars will fit in the short string. sizeof(string) is 24.
A major design goal was to minimize sizeof(...
appending array to FormData and send via AJAX
...
You have several options:
Convert it to a JSON string, then parse it in PHP (recommended)
JS
var json_arr = JSON.stringify(arr);
PHP
$arr = json_decode($_POST['arr']);
Or use @Curios's method
Sending an array via FormData.
Not recommended: Serialize the data with, then deserialize in PHP
JS
/...
Adding Core Data to existing iPhone project
...dinator != nil) {
_managedObjectContext = [[NSManagedObjectContext alloc] init];
[_managedObjectContext setPersistentStoreCoordinator:coordinator];
}
return _managedObjectContext;
}
- (NSManagedObjectModel *)managedObjectModel{
if (_managedObjectModel != nil) {
r...
How to get the current date and time
...e();
In the words of the Javadocs for the zero-argument constructor:
Allocates a Date object and initializes it so that it represents the time at which it was allocated, measured to the nearest millisecond.
Make sure you're using java.util.Date and not java.sql.Date -- the latter doesn't hav...