
xml - Regular expression \p{L} and \p{N} - Stack Overflow
2013年2月15日 · \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
2014年12月22日 · 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 - why is *pp [0] equal to **pp - Stack Overflow
2016年1月27日 · 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 ...
html - When to use <span> instead <p>? - Stack Overflow
2009年12月15日 · 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++ - Where is `%p` useful with printf? - Stack Overflow
2010年3月3日 · 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 problem of all 'platform dependent' implementations, that you can't really control what you're going to get. I use '0x%p' at the risk of getting a double 0x0X at the start.
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存在影响关系这件事至少有99%的把握,统计语言描述为X在0.01水平上呈现显著性。
html - Two p tag in same line - Stack Overflow
2014年4月26日 · Learn how to display two p tags on the same line using HTML and CSS.
List of HTML5 elements that can be nested inside P element?
2012年3月24日 · 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 within <p> elements nor of elements that are allowed within elements that are allowed within elements that are allowed within <p> elements. If you want to know what's ...
How to login to Docker Hub on the command line?
2019年7月19日 · docker login -u LOGIN -p PASSWORD But the registry server URL is never set. How does the docker command know the registry URL? What is the URL for Docker Hub Registry? I have tried this: docker login -u LOGIN -p PASSWORD cloud.docker.com but …
php - How do I run a file on localhost? - Stack Overflow
How do I actually run a file on localhost? I know it is working, but how do I run a file on it, and how do I verify that the file is in fact running on localhost? Server newbie here, additional