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delete vs delete[] operators in C++
What is the difference between delete and delete[] operators in C++?
7 Answers
7
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Can code that is valid in both C and C++ produce different behavior when compiled in each language?
C and C++ have many differences, and not all valid C code is valid C++ code.
(By "valid" I mean standard code with defined behavior, i.e. not implementation-specific/undefined/etc.)
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Why is this program erroneously rejected by three C++ compilers?
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In the standard, §2.1/1 specifies:
Physical source file characters are mapped, in an implementation-defined manner, to the basic source character set (introducing new-line characters for end-of-line indicators) if necessary.
Yo...
Receive result from DialogFragment
...tFragment(this, MY_REQUEST_CODE) from the place where you show the dialog, and then when your dialog is finished, from it you can call getTargetFragment().onActivityResult(getTargetRequestCode(), ...), and implement onActivityResult() in the containing fragment.
It seems like an abuse of onActivity...
How ListView's recycling mechanism works
So I have this problem I had before, and naturally I asked for help on here . Luksprog's answer was great because I had no idea about how ListView and GridView optimized itself with recycling Views. So with his advice I was able to change how I added Views to my GridView. Problem is now I have some...
Iterate a list as pair (current, next) in Python
...ometimes need to iterate a list in Python looking at the "current" element and the "next" element. I have, till now, done so with code like:
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Generating random integer from a range
I need a function which would generate a random integer in given range (including border values). I don't unreasonable quality/randomness requirements, I have four requirements:
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Is an array name a pointer?
...ame a pointer in C?
If not, what is the difference between an array's name and a pointer variable?
10 Answers
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Forced naming of parameters in Python
... Parameters after “*” or “*identifier” are keyword-only parameters and
may only be passed used keyword arguments.
>>> def foo(pos, *, forcenamed):
... print(pos, forcenamed)
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>>> foo(pos=10, forcenamed=20)
10 20
>>> foo(10, forcenamed=20)
10 20
>>&g...
How do you get the logical xor of two variables in Python?
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Although this is clever and short, I'm not convinced it's clean. When someone reads this construct in the code, is it immediately obvious to them that this is an xor operation? I felt obliged to add a comment - a sign for me that I'm writing unclear...
