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  1. c++ - What does '\0' mean? - Stack Overflow

    11 \0 is the NULL character, you can find it in your ASCII table, it has the value 0. It is used to determinate the end of C-style strings. However, C++ class std::string stores its size as an integer, …

  2. factorial - Why does 0! = 1? - Mathematics Stack Exchange

    Why does 0! = 1 0! = 1? All I know of factorial is that x! x! is equal to the product of all the numbers that come before it. The product of 0 and anything is 0 0, and seems like it would be reasonable to …

  3. What is the difference between NULL, '\0' and 0? - Stack Overflow

    This 0 is then referred to as a null pointer constant. The C standard defines that 0 cast to the type void * is both a null pointer and a null pointer constant. Additionally, to help readability, the macro NULL is …

  4. What does 0.0.0.0/0 and ::/0 mean? - Stack Overflow

    May 29, 2017 · 0.0.0.0 means that any IP either from a local system or from anywhere on the internet can access. It is everything else other than what is already specified in routing table.

  5. Is $0$ a natural number? - Mathematics Stack Exchange

    Is there a consensus in the mathematical community, or some accepted authority, to determine whether zero should be classified as a natural number? It seems as though formerly $0$ was considered i...

  6. The ASCII value of '\\0' is same as ASCII value of 0?

    Jun 2, 2016 · The first two of these are the same thing; they just represent an int with value 0. '0', however, is different, and represents an int with the value of the '0' character, which is 48.

  7. Is $0$ an imaginary number? - Mathematics Stack Exchange

    Apr 6, 2017 · Since 0 ∈ R, 0 ∈ R, there is no dispute that 0 0 is a real number. So, by symmetry, it makes sense to also consider 0 0 an imaginary number. (Wolfram Alpha agrees.) Hence, it makes …

  8. Why does 0.00 have zero significant figures and why throw out the ...

    Aug 10, 2023 · A value of "0" doesn't tell the reader that we actually do know that the value is < 0.1. Would we not want to report it as 0.00? And if so, why wouldn't we also say that it has 2 significant …

  9. boolean - What is !0 in C? - Stack Overflow

    Sep 8, 2010 · Boolean/logical operators in C are required to yield either 0 or 1. From section 6.5.3.3/5 of the ISO C99 standard: The result of the logical negation operator ! is 0 if the value of its operand …

  10. definition - Why is $x^0 = 1$ except when $x = 0$? - Mathematics …

    Jan 22, 2017 · For example, 0x = 0 0 x = 0 and x0 = 1 x 0 = 1 for all positive x x, and 00 0 0 can't be consistent with both of these. Another way to see that 00 0 0 can't have a reasonable definition is to …