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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
- 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
- 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
- c - Why is *p++ different from *p += 1? - Stack Overflow
Let's start with *p += 1 I will try to answer this from a bit of a different angle Step 1 Let's look at the operators and the operands: In this case it is one operand (the pointer p), and we have two operators, in this case * for dereferencing and += 1 for increment Step 2 which has the higher precedence * has higher precedence over +=
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