xml - Regular expression \p{L} and \p{N} - Stack Overflow
Feb 15, 2013 · \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 …
c++ - What does (~0L) mean? - Stack Overflow
Dec 22, 2014 · 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 …
c - why is *pp [0] equal to **pp - Stack Overflow
Jan 27, 2016 · 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 …
unix - mkdir's "-p" option - Stack Overflow
Note that -p is an argument to the mkdir command specifically, not the whole of Unix. Every command can have whatever arguments it needs. Every command can have whatever …
html - When to use <span> instead <p>? - Stack Overflow
Dec 15, 2009 · 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 …
c++ - Where is `%p` useful with printf? - Stack Overflow
Mar 3, 2010 · Unfortunately it prepends '0X' not '0x', making the actual value hard to read. Presumably this is due to a missing '%P' variant. All told, this format specifier suffers from the …
Spss相关性分析时，显著性p多少表示两者有显著 ... - 知乎
在统计语言表达上，如果p值小于0.01，则称作0.01水平显著，例如，研究人员分析X对Y是否存在影响关系时，如果X对应的p值为0.00（由于小数位精度要求，展示为0.00），则说明X对Y存 …
What does back slash "\\" really mean? - Stack Overflow
Jan 1, 2015 · The backslash \ is a character, just like the letter A, the comma ,, and the number 4.In some programming languages, notably C and its descendants (and maybe ancestors), it …
List of HTML5 elements that can be nested inside P element?
Mar 24, 2012 · Sub elements should not be on this list because this is a list only of elements allowed within <p> elements, not of elements that are allowed within elements that are allowed …
css - Line break in HTML with '\n' - Stack Overflow
Sep 5, 2016 · Learn how to create line breaks in HTML using '\n' with CSS examples and solutions.