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, …

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.

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 …

NULL and '\0' are guaranteed to evaluate to 0, so (with appropriate casts) they can be considered identical in value; notice however that they represent two very different things: NULL is a null (always …

Feb 6, 2021 · I just got a question while reading permutation. Why 0 is factorial equal to 1?

Sep 7, 2010 · Is 0.0.0.0 a valid IP address? I want my program to be able to store it as an indication that no address is in use, but this won't work if it's actually valid.

The product of 0 and anything is $0$, and seems like it would be reasonable to assume that $0! = 0$. I'm perplexed as to why I have to account for this condition in my factorial function (Trying to learn …

Jun 17, 2011 · The two-character \0 representation is used in C source code to represent the NUL character, which is the (single) character with ASCII value 0. The NUL character is used in C style …

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.

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 …