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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. 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 …

  3. 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 …

  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. What is IPv6 for localhost and 0.0.0.0? - Stack Overflow

    Oct 22, 2016 · As we all know the IPv4 address for localhost is 127.0.0.1 (loopback address). What is the IPv6 address for localhost and for 0.0.0.0 as I need to block some ad hosts.

  6. What is %0|%0 and how does it work? - Stack Overflow

    Nov 18, 2012 · 12 %0 will never end, but it never creates more than one process because it instantly transfers control to the 2nd batch script (which happens to be itself). But a Windows pipe creates a …

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

    Inclusion of $0$ in the natural numbers is a definition for them that first occurred in the 19th century. The Peano Axioms for natural numbers take $0$ to be one though, so if you are working with these …

  8. What does it mean when an HTTP request returns status code 0?

    May 16, 2009 · An HTTP response code of 0 indicates that the AJAX request was cancelled. This can happen either from a timeout, XHR abortion or a firewall stomping on the request.

  9. windows - Can't access 127.0.0.1 - Stack Overflow

    Dec 31, 2015 · I mean that connection can't be established when using 127.0.0.1. For example, I run IIS and can access site using localhost, when I run azure emulator, I can access it using localhost too …

  10. Why are strings in C++ usually terminated with '\0'?

    Jun 8, 2012 · Note that \0 is needed because most of Standard C library functions operate on strings assuming they are \0 terminated. For example: While using printf() if you have an string which is not …