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
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
html - When to use lt;span gt; instead lt;p gt;? - Stack Overflow The <p> tag is a paragraph, and as such, it is a block element (as is, for instance, h1 and div), whereas span is an inline element (as, for instance, b and a) Block elements by default create some whitespace above and below themselves, and nothing can be aligned next to them, unless you set a float attribute to them
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
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
Whats P=NP?, and why is it such a famous question? P stands for polynomial time NP stands for non-deterministic polynomial time Definitions: Polynomial time means that the complexity of the algorithm is O(n^k), where n is the size of your data (e g number of elements in a list to be sorted), and k is a constant
How to connect to MySQL from the command line - Stack Overflow mysql -u root -p: This with connect to user called root, -p flag will prompt for a password Option 2: mysql -u root -p<PASSWORD>: Here you enter the password directly into the command and after execution the server connects quick without password prompt
html - What do lt;o:p gt; elements do anyway? - Stack Overflow For your specific question the o in the <o:p> means "Office namespace" so anything following the o: in a tag means "I'm part of Office namespace" - in case of <o:p> it just means paragraph, the equivalent of the ordinary <p> tag I assume that every HTML tag has its Office "equivalent" and they have more
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