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performSelector may cause a leak because its selector is unknown
...e (the (void *) on the right hand side simply tells the compiler that you know what you're doing and not to generate a warning since the pointer types don't match).
Finally, you call the function pointer2.
Complex Example
When the selector takes arguments or returns a value, you'll have to change...
Test if characters are in a string
... will be doing a lot of these computations).
– Greg Snow
Apr 12 '12 at 18:10
1
@Josh O'brien, tha...
How to draw rounded rectangle in Android UI?
...
They didn't ask for a gradient. Don't know why this is accepted answer.
– Jerry Destremps
Aug 6 '19 at 21:18
...
“Undefined reference to” template class constructor [duplicate]
...cases. The choice is yours.
The code in a template is merely a 'pattern' known to the compiler. The compiler won't compile the constructors cola<float>::cola(...) and cola<string>::cola(...) until it is forced to do so. And we must ensure that this compilation happens for the constructo...
Reject binary with state waiting for review (can't find reject binary button)
...ary" (validation failed) or "Waiting for Review" (validation succeeded and now just wait). That's what the iTunes Connect FAQ/Manual says. ;-)
– Constantino Tsarouhas
May 2 '12 at 22:44
...
Android Studio with Google Play Services
...
This worked for me and is very easy. It already knows the latest play-services version number -- you just select it from a list, and the gradle file is modified for you!
– Nick Perkins
Oct 12 '14 at 15:50
...
In what cases do I use malloc and/or new?
... or throw ...
}
return new (mem)T(std::forward(args)...);
}
};
Now though in fixing all the issues we identified so far we've practically reinvented the default new operator. If you're going to use malloc and placement new then you might as well just use new to begin with!
...
Is returning null bad design? [closed]
... getItems(); // Could potentially return null.
// Two possible code paths now so harder to test.
if (c != null) {
for (Item item : c) {
// Process item.
}
}
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When to use setAttribute vs .attribute= in JavaScript?
...o support old browsers, in addition to this information, you will need to know what is broken in the those browsers.
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What are the main disadvantages of Java Server Faces 2.0?
... the relative steep learning curve when you don't have a solid background knowledge about basic Web Development (HTML/CSS/JS, server side versus client side, etc) and the basic Java Servlet API (request/response/session, forwarding/redirecting, etc), no serious disadvantages comes to mind. JSF in it...