html - When to use <p> vs. <br> - 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> …
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 …
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 this regexp mean - "\p {Lu}"? - Stack Overflow
Nov 14, 2015 · 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 …
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 …
html - What do <o:p> 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 …
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 …
知乎 - 有问题，就会有答案
知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业 …
windows - What does /p mean in set /p? - Stack Overflow
Jan 5, 2015 · 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, …
How to login to Docker Hub on the command line?
Jul 19, 2019 · 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 …