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Extract digits from a string in Java
...der constructor (such as input.length()) to ensure that it won't need to reallocate. You don't need to demand a String here; CharSequence suffices. Also, you can separate the allocation of the StringBuilder from the collection of non-digits by writing a separate function that accepts a CharSequence ...
Clear file cache to repeat performance testing
...hnique (other than rebooting) that seems to work:
Run a few copies of MemAlloc
With each one, allocate large chunks of memory a few times
Use Process Explorer to observe the System Cache size reducing to very low levels
Quit the MemAlloc programs
It isn't selective though. Ideally I'd like to be...
Super slow lag/delay on initial keyboard animation of UITextField
...n initial keyboard appearance.
UITextField *lagFreeField = [[UITextField alloc] init];
[self.window addSubview:lagFreeField];
[lagFreeField becomeFirstResponder];
[lagFreeField resignFirstResponder];
[lagFreeField removeFromSuperview];
}
...
Variable number of arguments in C++?
...printf(), for example, the function parses the string argument for special tokens to figure out how many extra arguments it should expect in the variable argument list.
– wilhelmtell
Jun 23 '10 at 21:33
...
AddRange to a Collection
... efficient than the List<T> version (since the list<T> can pre-allocate)
– Reed Copsey
Sep 25 '09 at 1:12
...
Display clearColor UIViewController over UIViewController
...und:
MyModalViewController *modalViewController = [[MyModalViewController alloc] init];
modalViewController.modalPresentationStyle = UIModalPresentationOverCurrentContext;
[self presentViewController:modalViewController animated:YES completion:nil];
...
What is that “total” in the very first line after ls -l? [closed]
...he files with a line
`total BLOCKS', where BLOCKS is the total disk allocation for all
files in that directory.
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Member '' cannot be accessed with an instance reference
...d some time before
its first use.
A static entity has one storage location allocated, and that is
shared by all who access that entity.
A static entity can only be accessed through its type name, not
through an instance of that type.
A static method does not have an implicit ‘this’ argument, as ...
How to convert a Map to List in Java?
...dent on the underlying Map; by making a copy constructor call instead, you allocate storage and copy the values into that storage, thus breaking the connection...
– Sheldon R.
Nov 22 '13 at 16:14
...
Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
...hip of an object if you create it using a method whose name begins with “alloc”, “new”, “copy”, or “mutableCopy”.
A property named newTitle, when synthesised, yields a method called -newTitle, hence the warning/error. -newTitle is supposed to be a getter method for the newTitle pro...