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Is there any way to determine the size of a C++ array programmatically? And if not, why? - Stack Ove
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日期:2024-09-03
Actually, if you allocated the array on the stack the sizeof operator would return 1024 -- which is 256 (the # of elements) * 4 (the size of an individual element). (sizeof(arr)/sizeof(arr[0])) would give the result 256. – Kevin Oct 13 '08 at 16:03...
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日期:2024-09-06
Collection of questions about C++ Style and Technique by Bjarne Stroustrup....
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日期:2024-09-04
Does anyone know how to find the length of an arbitrary type of array? All I have found ......
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日期:2024-09-03
2009年5月17日 - Arrays in C/C++ do not store their lengths in memory, so it is impossible to find their ......
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日期:2024-09-05
How can I find out the length of the array values[] after a call to the function ......
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日期:2024-09-08
This article provides example of dynamic array implementation using C++ templates. It uses standard malloc/realloc memory allocation functions and simple "doubling size" resizing strategy. Our AeDynArray class interface resembles MFC standard CArray class...
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日期:2024-09-09
3 bits can store 8 values. n bits can store 2^n values. Because a byte is 8 bits, a byte can store 2^8 (256) values. The size of the variable puts a limit on the amount of information it can store — variables that are bigger can hold larger numbers. We wi...
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日期:2024-09-07
How to find size of an int array? eg: int list[]={1,5,7,8,1,1,4,5,7 ... Try this: sizeof(list
)/sizeof(list[0]);....