
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 …
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 …
factorial - Why does 0! = 1? - Mathematics Stack Exchange
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 …
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.
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 …
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.
combinatorics - Why is 0 factorial equal to 1? Is there any pure …
Feb 6, 2021 · $$ 0! = \Gamma (1) = \int_0^ {\infty} e^ {-x} dx = 1 $$ If you are starting from the "usual" definition of the factorial, in my opinion it is best to take the statement $0! = 1$ as a …
exponentiation - Why is $0^0$ also known as indeterminate ...
For example, $3^0$ equals 3/3, which equals $1$, but $0^0$ "equals" 0/0, which equals any number, which is why it's indeterminate. Also, 0/0 is undefined because of what I just said.
Is 0.0.0.0 a valid IP address? - Stack Overflow
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.
What does "javascript:void (0)" mean? - Stack Overflow
Aug 18, 2009 · 28 Web Developers use javascript:void(0) because it is the easiest way to prevent the default behavior of a tag. void(*anything*) returns undefined and it is a falsy value. and …