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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
c - why is *pp [0] equal to **pp - Stack Overflow 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 0x1000, and then you dereference that in order to read the memory at 0x1000
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 macro NULL is provided in the header file stddef h Depending upon your compiler it might be possible to #undef NULL and redefine it to something
c# - numeric format strings #,#0. 00 vs #,0. 00 - Stack Overflow Probably because Microsoft uses the same format specifier in their documentation, including the page you linked It's not too hard to figure out why; #,##0 00 more clearly states the programmer's intent: three-digit groups separated by commas
What does javascript:void (0) mean? - Stack Overflow 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 returning a falsy value is like return false in onclick event of a tag that prevents its default behavior
windows - Cant access 127. 0. 0. 1 - Stack Overflow 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 access it using localhost too (tried different ports, but they don't matter)
c++ - What does (~0L) mean? - Stack Overflow I'm doing some X11 ctypes coding, I don't know C but need some help understanding this In the C code below (might be C++ im not sure) we see (~0L) what does that mean? In Javascript and Python ~0