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Nested fragments disappear during transition animation
...
In order to avoid the user seeing the nested fragments disappearing when the parent fragment is removed/replaced in a transaction you could "simulate" those fragments still being present by providing an image of them, as they appeared on th...
JavaScript click event listener on class
...g the
// selector from the target element of the event
handler.call(closest, event);
}
});
}
=========================================
EDIT: This post originally used the matches function for DOM elements on the event target, but this restricted the targets of events to the direc...
When does System.gc() do something?
...that garbage collection is automated in Java. But I understood that if you call System.gc() in your code that the JVM may or may not decide to perform garbage collection at that point. How does this work precisely? On what basis/parameters exactly does the JVM decide to do (or not do) a GC when it...
Mockito How to mock only the call of a method of the superclass
...h a findAll() method, and a subclass DAO that overrides the base method by calling super.findAll() and then sorting the result. The subclass is substitutable into all contexts accepting the superclass. Am I misunderstanding your meaning?
– user41871
Jul 8 '11 a...
abort, terminate or exit?
... guaranteed that stack unwinding happens correctly and all destructors are called. In other words:
int main() {
try {
// your stuff
}
catch( ... ) {
return 1; // or whatever
}
}
share
...
Padding is invalid and cannot be removed?
...s invalid and cannot be removed
If you are using some algorithm to dynamically generate keys that will not work. They need to be the same for both encryption and decryption. One common way is to have the caller provide the keys in the constructor of the encryption methods class, to prevent the enc...
Rails: call another controller action from a controller
I need to call the create action in controller A, from controller B.
9 Answers
9
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What's an object file in C?
...s symbols it requires in order to work. (For reference, "symbols" are basically names of global objects, functions, etc.)
A linker takes all these object files and combines them to form one executable (assuming that it can, ie: that there aren't any duplicate or undefined symbols). A lot of compi...
new keyword in method signature
...();
public new void Two();
}
B b = new B();
A a = b as A;
a.One(); // Calls implementation in B
a.Two(); // Calls implementation in A
b.One(); // Calls implementation in B
b.Two(); // Calls implementation in B
Override can only be used in very specific cases. From MSDN:
You cannot overri...
How to kill zombie process
...nate the zombie. (After the parent dies, the zombie will be inherited by pid 1, which will wait on it and clear its entry in the process table.) If your daemon is spawning children that become zombies, you have a bug. Your daemon should notice when its children die and wait on them to determine t...