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  1. 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.

  2. 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 …

  3. 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.

  4. 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 …

  5. 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 …

  6. sql - How to find any variation of the number zero; 0, 0.0, 00.00, 0. ...

    2018年1月13日 · How to find any variation of the number zero; 0, 0.0, 00.00, 0.000, 000.0, etc Asked 7 years, 6 months ago Modified 4 months ago Viewed 3k times

  7. c - What do 0LL or 0x0UL mean? - Stack Overflow

    2011年8月12日 · LL designates a literal as a long long and UL designates one as unsigned long and 0x0 is hexadecimal for 0. So 0LL and 0x0UL are an equivalent number but different …

  8. windows - Can't access 127.0.0.1 - Stack Overflow

    2015年12月31日 · I mean that connection can't be established when using 127.0.0.1. For example, I run IIS and can access site using localhost, when I run azure emulator, I can …

  9. What is the @0 used for in SQL queries? - Stack Overflow

    2014年6月14日 · The @ symbol represents a parameter. The word after it, or in this case the number after it, is the name of the parameter. You can use parameters for a lot of reasons. …

  10. c - why is *pp [0] equal to **pp - Stack Overflow

    2016年1月27日 · That's why when you dereference pp[0] explicitly, with *pp[0], you are dereferencing it effectively twice: First you look at the contents of the address 0x2000, which is …