In computing, a null pointer has a value reserved for indicating that the pointer does not refer to a valid object.
Is it safe to delete a NULL pointer? And is it a good coding style?
c++ pointers memory-management null-pointer delete-operatorI always think simply if(p != NULL){..} will do the job. But after reading this Stack Overflow question, it seems …
c null-pointerI want use @Nullable annotation to eliminate NullPointerExceptions. I found some tutorials on the net, I noticed that this annotation …
java annotations nullpointerexception nullable null-pointerIs it safe to check a pointer to not being NULL by writing simply if(pointer) or do I have …
c++ pointers if-statement null null-pointerI am learning C++ and I came to know that pointers if left uninitialized could point to random locations in …
c++ pointers null-pointerSo I was going through some interview questions and I came across one about void and null pointers, which claims: …
c++ pointers void-pointers null-pointerI am not so well-versed in the C standard, so please bear with me. I would like to know if …
c memcpy language-lawyer null-pointerWhat is the normal behavior in Objective-C if you call a method on an object (pointer) that is nil (maybe …
iphone objective-c initialization null-pointerI am overriding the onCreateDialog and onPrepareDialog methods or the Dialog class. I have followed the example from Reto Meier's …
android dialog screen-orientation null-pointerI was experimenting with C++ and found the below code as very strange. class Foo{ public: virtual void say_virtual_…
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