
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
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 …
What does 0.0.0.0/0 and ::/0 mean? - Stack Overflow
2017年5月29日 · 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
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 …
What is the difference between 0.0.0.0, 127.0.0.1 and localhost?
2013年12月26日 · The loopback adapter with IP address 127.0.0.1 from the perspective of the server process looks just like any other network adapter on the machine, so a server told to …
Why are strings in C++ usually terminated with '\0'?
2012年6月8日 · C++ std::string objects are handled differently than standard C strings. \0 is important when using C strings, and when I use the term string in this answer, I'm referring to …
What is IPv6 for localhost and 0.0.0.0? - Stack Overflow
2016年10月22日 · 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.
algebra precalculus - Zero to the zero power – is $0^0=1 ...
$0^0=999$ would be a contradiction to the power laws, because then $ (0^0)^2 = 999^2 \ne 0^ {0\cdot2} = 999$. The only two values for $0^0$ consistent with the power laws are $0$ and $1$.
Is 0.0.0.0 a valid IP address? - Stack Overflow
2010年9月7日 · 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
2009年8月18日 · 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 …