大约有 21,000 项符合查询结果（耗时：0.0440秒） [XML]
Why can't I center with margin: 0 auto?
I have a #header div that is 100% width and within that div I have an unordered list. I have applied margin: 0 auto to the unordered list but it won't center it within the header div.
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Listing all permutations of a string/integer
...n it: return the
element, with the permutation of the
rest of the elements added, like so:
perm(ab) ->
a + perm(b) -> ab
b + perm(a) -> ba
Further: for each character in the set: return a character, concatenated with a permutation of > the rest of the set
perm(abc) ->
a + perm(b...
Capturing Groups From a Grep RegEx
...e or more digits. The carat represents the beginning of the string. If you add a dollar sign at the end of the regex, like this:
^[0-9]+_([a-z]+)_[0-9a-z]*$
then the third example will also be eliminated since the dot is not among the characters in the regex and the dollar sign represents the end...
Single huge .css file vs. multiple smaller specific .css files? [closed]
Is there any advantage to having a single monster .css file that contains style elements that will be used on almost every page?
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How can I initialize an ArrayList with all zeroes in Java?
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aioobeaioobe
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What does “%.*s” mean in printf?
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BaCaRoZzo
6,71266 gold badges4343 silver badges7070 bronze badges
answered Oct 26 '11 at 5:59
AusCBlokeAusCBloke
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What goes into your .gitignore if you're using CocoaPods?
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Matt MowerMatt Mower
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71
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PHP: How to handle
...superfluous, as echo automatically does it anyway)
$content = simplexml_load_string(
'<content><![CDATA[Hello, world!]]></content>'
);
echo (string) $content;
// or with parent element:
$foo = simplexml_load_string(
'<foo><content><![CDATA[Hello, world!]]&...
What is the use of the ArraySegment class?
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IList<T>
ICollection<T>
IEnumerable<T>
IEnumerable
IReadOnlyList<T>
IReadOnlyCollection<T>
as opposed to the .NET 4 version which implemented no interfaces whatsoever.
The class is now able to take part in the wonderful world of LINQ so we can do the usual LINQ th...
Why use 'git rm' to remove a file instead of 'rm'?
...something from the filesystem directly (rather than using svn) created a load of headaches.
7 Answers
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