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Remove non-utf8 characters from string

...# double-byte sequences 110xxxxx 10xxxxxx | [\xE0-\xEF][\x80-\xBF]{2} # triple-byte sequences 1110xxxx 10xxxxxx * 2 | [\xF0-\xF7][\x80-\xBF]{3} # quadruple-byte sequence 11110xxx 10xxxxxx * 3 ){1,100} # ...one or more times ) | . ...
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Why would $_FILES be empty when uploading files to PHP?

I have WampServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads...
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Check if list contains any of another list

... 201 You could use a nested Any() for this check which is available on any Enumerable: bool hasMat...
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Are there constants in JavaScript?

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Removing a list of characters in string

... 265 If you're using python2 and your inputs are strings (not unicodes), the absolutely best method...
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Favorite (Clever) Defensive Programming Best Practices [closed]

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javascript check for not null

... | edited Jul 26 '18 at 5:49 driftcatcher 1,90444 gold badges2424 silver badges4444 bronze badges ...
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C-like structures in Python

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Capture HTML Canvas as gif/jpg/png/pdf?

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How to force 'cp' to overwrite directory instead of creating another one inside?

... 125 You can do this using -T option in cp. See Man page for cp. -T, --no-target-directory trea...