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Replacement for deprecated sizeWithFont: in iOS 7?
...g function in iOS 7 is merely a wrapper for the NSAttributeString function from iOS 6.
On that note, if you were only supporting iOS 6 and iOS 7, then I would definitely change all of your NSString sizeWithFont:... to the NSAttributeString boundingRectWithSize. It'll save you a lot of headache i...
Android ImageView Zoom-in and Zoom-Out
... to the comment above. The same happens to me. Is there any way to stop it from zooming in on the first tap? The ImageView itself is set to centerFit.
– Baz
Feb 1 '13 at 13:57
30
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Error “initializer element is not constant” when trying to initialize variable with const
...
Just for illustration by compare and contrast
The code is from http://www.geeksforgeeks.org/g-fact-80/
/The code fails in gcc and passes in g++/
#include<stdio.h>
int initializer(void)
{
return 50;
}
int main()
{
int j;
for (j=0;j<10;j++)
{
static ...
How to show “Done” button on iPhone number pad
...mberTextField.text = @"";
}
-(void)doneWithNumberPad{
NSString *numberFromTheKeyboard = numberTextField.text;
[numberTextField resignFirstResponder];
}
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...
What's the point of having pointers in Go?
...
I really like example taken from http://www.golang-book.com/8
func zero(x int) {
x = 0
}
func main() {
x := 5
zero(x)
fmt.Println(x) // x is still 5
}
as contrasted with
func zero(xPtr *int) {
*xPtr = 0
}
func main() {
x := 5...
Argparse: Required arguments listed under “optional arguments”?
...e time, building off of @RalphyZ
This one doesn't break the exposed API.
from argparse import ArgumentParser, SUPPRESS
# Disable default help
parser = ArgumentParser(add_help=False)
required = parser.add_argument_group('required arguments')
optional = parser.add_argument_group('optional arguments'...
Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
... some way, you are closing your Lambda expression by copying the variables from upper scope into the Lambda scope. When you use the keyword mutable, the captured entity will became a non-const attribute of your closure type. This is what causes the changes done in the mutable variable captured by va...
What is the best way to create constants in Objective-C
...ce of the true value of that symbol, so everyone's getting the same string from one place. That's what extern gets you.
– Peter Hosey
Nov 9 '15 at 14:11
...
What are the differences between Rust's `String` and `str`?
...t x: &[u8] = &[b'a', b'b', b'c'];
let stack_str: &str = str::from_utf8(x).unwrap();
In summary, use String if you need owned string data (like passing strings to other threads, or building them at runtime), and use &str if you only need a view of a string.
This is identical to t...
What is the difference between shallow copy, deepcopy and normal assignment operation?
... functions the same as a shallow copy in this example. Deep copies differ from shallow copies in that shallow copies will make a new copy of the object itself, but any references inside that object will not themselves be copied. In your example, your list has only integers inside it (which are imm...