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- What is the difference between 0. 0. 0. 0, 127. 0. 0. 1 and localhost?
127 0 0 1 is normally the IP address assigned to the "loopback" or local-only interface This is a "fake" network adapter that can only communicate within the same host It's often used when you want a network-capable application to only serve clients on the same host A process that is listening on 127 0 0 1 for connections will only receive local connections on that socket "localhost" is
- If a series converges, then the sequence of terms converges to $0$.
If a series converges, then the sequence of terms converges to $0$ Ask Question Asked 13 years, 9 months ago Modified 8 years, 6 months ago
- 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, and thus does not rely on it
- 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 axioms (and a lot of natural number theory does) then you take $0$ to be a natural number
- Maven build Compilation error - Stack Overflow
Discusses resolving Maven build compilation errors and troubleshooting issues with Maven plugins on Stack Overflow
- Regex that accepts only numbers (0-9) and NO characters
^ [0-9]*$ as the correct answer In Javascript this is allowing the value 123-456 (\d)*$ @xpioneer: ^ and $ are called anchors ^ matches the beginning of the string, and $ matches the end of the string By putting ^ at the beginning of your regex and $ at the end, you ensure that no other characters are allowed before or after your regex
- regex - Validating IPv4 addresses with regexp - Stack Overflow
I've been trying to get an efficient regex for IPv4 validation, but without much luck It seemed at one point I had had it with (25 [0-5]|2 [0-4] [0-9]| [01]? [0-9] [0-9]? (\ |$)) {4}, but it produces some
- algebra precalculus - Zero to the zero power – is $0^0=1 . . .
@Arturo: I heartily disagree with your first sentence Here's why: There's the binomial theorem (which you find too weak), and there's power series and polynomials (see also Gadi's answer) For all this, $0^0=1$ is extremely convenient, and I wouldn't know how to do without it In my lectures, I always tell my students that whatever their teachers said in school about $0^0$ being undefined, we
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