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MySQL “WITH” clause

... Update: MySQL 8.0 is finally getting the feature of common table expressions, including recursive CTEs. Here's a blog announcing it: http://mysqlserverteam.com/mysql-8-0-labs-recursive-common-table-expressions-in-mysql-ctes/ Below is my earlier answ...
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PHP: Count a stdClass object

...od works, I would not use it for implementation because future versions of PHP could cause this code to break, I much prefer Alan Strom's answer. – ars265 Jul 14 '13 at 12:32 ...
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Which characters are valid in CSS class names/selectors?

What characters/symbols are allowed within the CSS class selectors? I know that the following characters are invalid , but what characters are valid ? ...
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PHP: How to check if image file exists?

...ted. And then, it will only work when allow_url_fopen is activated in your PHP config share | improve this answer | follow | ...
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php Replacing multiple spaces with a single space [duplicate]

...e: preg_replace('/(?:\s\s+|\n|\t)/', ' ', $x) will be more efficient especially on text with several single spaces ? – codaddict Mar 3 '10 at 4:23 27 ...
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Does file_get_contents() have a timeout setting?

I am calling a series of links using the file_get_contents() method in a loop. Each link may take more than 15 minutes to process. Now, I worry about whether PHP's file_get_contents() has a timeout period? ...
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PHP - concatenate or directly insert variables in string

I am wondering, What is the proper way for inserting PHP variables into a string? This way: 14 Answers ...
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Difference between var_dump,var_export & print_r

...2] => 42 [3] => Array ([0] => 42) ) var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
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How to preview git-pull without doing fetch?

...EAD...origin/master (three dots not two) to show a single diff. There normally isn't any need to undo a fetch, because doing a fetch only updates the remote branches and none of your branches. If you're not prepared to do a pull and merge in all the remote commits, you can use git cherry-pick to ac...
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What does “async: false” do in jQuery.ajax()?

Specifically, how does it differ from the default ( async: true ) ? 7 Answers 7 ...