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pondweed    
n. 眼子菜

眼子菜

pondweed
n 1: any of several submerged or floating freshwater perennial
aquatic weeds belonging to the family Potamogetonaceae
2: submerged freshwater perennials [synonym: {Elodea}, {genus
Elodea}, {pondweed}, {ditchmoss}]


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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
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    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
  • 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
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    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
  • 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
  • html - What do lt;o:p gt; 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 paragraph, the equivalent of the ordinary <p> tag I assume that every HTML tag has its Office "equivalent" and they have more
  • 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、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容,聚集了中文互联网科技、商业、影视
  • 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
  • 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
  • 统计学假设检验中 p 值的含义具体是什么? - 知乎
    p 值 给定显著性水平 \alpha ,我们便可以确定拒绝域的范围,如图6所示。若检验统计量的值落入拒绝域,便可拒绝原假设。 p 值同样可以用于判断是否拒绝原假设。通俗的来说, p 值代表:在假设原假设( H_0 )正确时,出现当前证据或更强的证据的概率。





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