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html - When to use lt;p gt; vs. lt;br gt; - Stack Overflow You want to use the <p> tag when you need to break up two streams of information into separate thoughts <p> Now is the time for all good men to come to the aid of their country < p> <p>The quick brown fox jumped over the lazy sleeping dog < p> The <br > tag is used as a forced line break within the text flow of the web page Use it when you
xml - Regular expression \p {L} and \p {N} - Stack Overflow \p{L} matches a single code point in the category "letter" \p{N} matches any kind of numeric character in any script Source: regular-expressions info If you're going to work with regular expressions a lot, I'd suggest bookmarking that site, it's very useful
c++ - What does (~0L) mean? - Stack Overflow 0L is a long integer value with all the bits set to zero - that's generally the definition of 0 The ~ means to invert all the bits, which leaves you with a long integer with all the bits set to one
%p Format specifier in c - Stack Overflow %p is for printing an address but you need to use the ampersand i e operator before i to get the address of i So to get the address of variable i the correct format will be: void main() { int i=85; printf("%p %Fp", i, i); getch(); } if you don't use then u will just get the value contained in i which in this case is 85 or 55 in hex
Docker run -p ? ? (what are this two port numbers and what they . . . Replace this " -p 8080 8080" by this " -p 8080:8080 " The first port : the Docker host ( you can use this port to access to your container) to access to the container from the outside the second one : is the port used by your application
c - why is *pp [0] equal to **pp - Stack Overflow So pp[0] points to the address of p, which is 0x2000, and by dereferencing I would expect to get the contents of address 0x2000 That's were your reasoning strays, but understandably so In C, the right hand side of an assignment, or generally an evaluation of an lvalue (vulgo: variable), more precisely an lvalue-to-rvalue conversion, is already
c# - What does this regexp mean - \p {Lu}? - Stack Overflow The Unicode property \p{L} — shorthand for \p{Letter} will match any kind of letter from any language Therefore, \p{Lu} will match an uppercase letter that has a lowercase variant And, the opposite \p{Ll} will match a lowercase letter that has an uppercase variant
Why is the format of %p and %x different in a format string? %p expects the argument to be of type (void *) and prints out the address Whereas %x converts an unsigned int to unsigned hexadecimal and prints out the result And coming to what %p does is implementation defined but the standard just says that %p expects void* argument else the behavior is undefined
windows - What does p mean in set p? - Stack Overflow What does p stand for in set p=? I know that enables a switch, and I'm fairly sure that I know a is for arithmetic I've heard numerous rumours, some saying p is for prompt, others stating it stands for print The only reason I slightly doubt it is prompt is because in many cases it does not ask for a prompt, yet prints on the screen, such as