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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
- 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
- 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
- is there a pragmatic reason to use if (0 == p) - Stack Overflow
It depends on what p represents If p represents a boolean logical value, then (!p) seems most appropriate - comparing to "FALSE" is generally discouraged I don't anticipate this being of much debate If p represents a value, like a counter, then (p == 0) or (0 == p) seems appropriate (There is usually a hot debate between the two
- 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
- 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
- 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
- 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
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