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How to test an SQL Update statement before running it?

... @rickozoe below: In general these lines will not be executed as once. In PHP f.e. you would write something like that (perhaps a little bit cleaner, but wanted to answer quick ;-) ): $MysqlConnection->query('START TRANSACTION;'); $erg = $MysqlConnection->query('UPDATE MyGuests SET lastname=...
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fastest MD5 Implementation in JavaScript

...sh = CryptoJS.MD5(password).toString(); $.post( 'includes/login.php', { user: username, pass: passhash }, onLogin, 'json' ); </script> So this script will post the hash of your password string to the server. For further info and support on other hash calculati...
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Is Meyers' implementation of the Singleton pattern thread safe?

...escu in Modern C++ Design. See Loki's site: loki-lib.sourceforge.net/index.php?n=Pattern.Singleton – Matthieu M. Nov 2 '09 at 14:57 1 ...
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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?

... It's PHP where the string "0" is falsy (false-when-used-in-boolean-context). In JavaScript, all non-empty strings are truthy. The trick is that == against a boolean doesn't evaluate in a boolean context, it converts to number, an...
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When should a class be Comparable and/or Comparator?

...of the uses of both Comparator and comparable: sysdotoutdotprint.com/index.php/2017/03/28/… – mel3kings Mar 28 '17 at 3:49 ...
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How to find my Subversion server version number?

...> <body>... <address>Apache/2.2.11 (Debian) DAV/2 SVN/1.5.6 PHP/5.2.9-4 ...</address> </body></html> share | improve this answer | follow ...
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jQuery scroll to element

... edited Jul 8 '18 at 14:48 php_nub_qq 11.9k1717 gold badges5454 silver badges117117 bronze badges answered Jul 13 '11 at 9:52 ...
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Is there a way to “autosign” commits in Git with a GPG key?

...ram /usr/bin/pinentry-gtk-2 (following this guide wiki.archlinux.org/index.php/GnuPG#pinentry ) – iakovos Gurulian Feb 6 '17 at 11:21  |  show...
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Show Youtube video source into HTML5 video tag?

...toString(); var mp4url = "http://www.youtubeinmp4.com/redirect.php?video="; video.src = mp4url + id; } } } Usage (Full) <video controls="true"> <source src="www.youtube.com/watch?v=3bGNuRtlqAQ" type="video/mp4" /> </video> Standard video...
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IPN vs PDT in Paypal

.... https://www.codexworld.com/paypal-standard-payment-gateway-integration-php/ share | improve this answer | follow | ...