大约有 40,000 项符合查询结果(耗时:0.0545秒) [XML]

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What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]

...tf8_unicode_ci uses the standard Unicode Collation Algorithm, supports so called expansions and ligatures, for example: German letter ß (U+00DF LETTER SHARP S) is sorted near "ss" Letter Œ (U+0152 LATIN CAPITAL LIGATURE OE) is sorted near "OE". utf8_general_ci does not support expansions/liga...
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MongoDB aggregation framework match OR

...n' }] } Like so, since the $match operator just takes what you would normally put into the find() function share | improve this answer | follow | ...
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Which characters need to be escaped when using Bash?

...h but also bash. 1. Put the whole string in single quotes This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the single quote, and re-open the quoting. 'I'\''m a s@fe $tring which ends in newline ' sed command: sed -e "s/'/'\\\\'...
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Is there a PHP function that can escape regex patterns before they are applied?

...our regex, commonly a forward slash (/) - will not be escaped. You will usually want to pass whatever delimiter you are using with your regex as the $delimiter argument. Example - using preg_match to find occurrences of a given URL surrounded by whitespace: $url = 'http://stackoverflow.com/questio...
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How to replace a character with a newline in Emacs?

... C-q is really quote-insert which quotes the next character. – Joe Casadonte Mar 5 '09 at 2:17 2 ...
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get UTC time in PHP

... 113 Using gmdate will always return a GMT date. Syntax is same as for date. ...
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A html space is showing as %2520 instead of %20

...e using) double encoding characters? Edit: Expanding a bit on this, especially for LOCAL links. Assuming you want to link to the resource C:\my path\my file.html: if you provide a local file path only, the browser is expected to encode and protect all characters given (in the above, you should gi...
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How to set UICollectionViewDelegateFlowLayout?

...and this will only work if self.collectionView.collectionViewLayout is actually set to your flow layout. (or set with initWithFrame:collectionViewLayout:) share | improve this answer | ...
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Print string and variable contents on the same line in R

... agstudyagstudy 111k1515 gold badges173173 silver badges234234 bronze badges ...
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AngularJS directive with default options

... Andrew Tobilko 42.5k1111 gold badges6666 silver badges119119 bronze badges answered Sep 13 '13 at 10:57 OZ_OZ_ ...