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xpath find if node exists

... | edited Apr 20 '09 at 11:33 answered Apr 20 '09 at 11:26 ...
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DROP IF EXISTS VS DROP?

... | edited Mar 5 '12 at 11:37 answered Mar 5 '12 at 11:31 ...
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]

... | edited Aug 4 '11 at 12:36 answered Aug 2 '11 at 11:33 ...
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if…else within JSP or JSTL

... answered May 9 '11 at 11:00 Jigar JoshiJigar Joshi 219k4141 gold badges370370 silver badges417417 bronze badges ...
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check if directory exists and delete in one command unix

... answered Jan 31 '11 at 7:39 Dominic MitchellDominic Mitchell 10.3k44 gold badges2626 silver badges2929 bronze badges ...
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Are non-synchronised static methods thread safe if they don't modify static class variables?

... answered Mar 2 '11 at 21:01 Tomasz NurkiewiczTomasz Nurkiewicz 301k6060 gold badges648648 silver badges639639 bronze badges ...
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What is the proper way to check if a string is empty in Perl?

... answered Jan 11 '10 at 23:20 Greg HewgillGreg Hewgill 783k167167 gold badges10841084 silver badges12221222 bronze badges ...
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How to know if user is logged in with passport.js?

... 211 If user is logged in, passport.js will create user object in req for every request in express.j...
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Check if an element is a child of a parent

...nswered Sep 20 '10 at 17:04 user113716user113716 291k5959 gold badges425425 silver badges431431 bronze badges ...
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Are “elseif” and “else if” completely synonymous?

...ther example for reference php.net/manual/en/control-structures.elseif.php#115851 – WhyAyala Aug 10 '17 at 14:44 With ...