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c++11 Return value optimization or move? [duplicate]
...o f()
{
Foo result;
mangle(result);
return result;
}
This will already allow the use of the move constructor, if one is available. In fact, a local variable can bind to an rvalue reference in a return statement precisely when copy elision is allowed.
Your second version actively prohibits c...
Adjust UILabel height depending on the text
...ainedToSize:maximumLabelSize lineBreakMode:yourLabel.lineBreakMode];
//adjust the label the the new height.
CGRect newFrame = yourLabel.frame;
newFrame.size.height = expectedLabelSize.height;
yourLabel.frame = newFrame;
...
Why do I get a warning icon when I add a reference to an MEF plugin project?
...stantiating the plugin class. When I create a test Console App project and add a project reference to the plugin project, I get a warning icon (yellow triangle with exclamation mark) next to the reference in the References list.
...
Want to exclude file from “git diff”
...
sashoalm
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answered Oct 9 '16 at 12:40
Mr_and_Mrs_DMr_and_Mrs_D
...
Add object to ArrayList at specified index
...
You can do it like this:
list.add(1, object1)
list.add(2, object3)
list.add(2, object2)
After you add object2 to position 2, it will move object3 to position 3.
If you want object3 to be at position3 all the time I'd suggest you use a HashMap with posi...
What is the difference between Fragment and FragmentActivity?
...ivity, which has:
its own lifecycle
receives its own input events
can be added or removed while the Activity is running.
A Fragment must always be embedded in an Activity.
Fragments are not part of the API prior to HoneyComb (3.0). If you want to use Fragments in an app targeting a platform ve...
Localization and internationalization, what's the difference?
...dwired to one language/locale/culture.
Localization (l10n)the process of adding the appropriate resources to your software so that a particular language/locale is supported. It's bigger in scope than just this Wikipedia entry, but it's a good start.
The value of distinguishing between them is t...
Django TemplateDoesNotExist?
... 'appname1',
'appname2',
'appname3',
)
By default Django will load the templates under templates/ directory under every installed apps. So with your directory structure, we want to move our templates to be like this:
/usr/lib/python2.5/site-packages/projectname/appname1/templates/templat...
Detecting which UIButton was pressed in a UITableView
...
In Apple's Accessory sample the following method is used:
[button addTarget:self action:@selector(checkButtonTapped:) forControlEvents:UIControlEventTouchUpInside];
Then in touch handler touch coordinate retrieved and index path is calculated from that coordinate:
- (void)checkButtonTap...
Where to place private methods in Ruby?
...n point of view.
At the end, you can make make any method private by just adding: private :xmethod
Example:
class Example
def xmethod
end
def ymethod
end
def zmethod
end
private :xmethod, :zmethod
end
Does this justify your question?
...