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.
What is %0|%0 and how does it work? - Stack Overflow
Nov 18, 2012 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …
What is the difference between 0.0.0.0, 127.0.0.1 and localhost?
Dec 26, 2013 · 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 listen on …
What is $0^ {i}$? - Mathematics Stack Exchange
Jan 12, 2015 · It is possible to interpret such expressions in many ways that can make sense. The question is, what properties do we want such an interpretation to have? $0^i = 0$ is a good …
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.
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 …
What does this boolean "(number & 1) == 0" mean? - Stack …
Feb 16, 2013 · The result is that (8 & 1) == 0. This is the case for all even numbers, since they are multiples of 2 and the first binary digit from the right is always 0. 1 has a binary value of 1 with …
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 …