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xpath find if node exists

...Path 2010. – Merenzo Apr 2 '12 at 6:05 3 This is the correct answer in the sense that this is act...
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Windows batch files: .bat vs .cmd?

...extensions enabled, PATH/APPEND/PROMPT/SET/ASSOC in .CMD files will set ERRORLEVEL regardless of error. .BAT sets ERRORLEVEL only on errors. In other words, if ERRORLEVEL is set to non-0 and then you run one of those commands, the resulting ERRORLEVEL will be: left alone at its non-0 value...
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How to properly reuse connection to Mongodb across NodeJs application and modules

...If you require them in app.js before _db is set, then you'll get undefined errors in the other modules. – Mike R Feb 17 '18 at 21:40 2 ...
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How to check if a string is a valid hex color representation?

...est – Salvador Dali Feb 14 '14 at 2:05 1 @fflorent Because parseInt will take "abcZab", find that...
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How to pause a YouTube player when hiding the iframe?

... style="position:absolute;left:0px;top:87px;width:500px;background-color:#D05F27;height:auto;display:none;z-index:200;"> <iframe width="500" height="315" src="http://www.youtube.com/embed/T39hYJAwR40?enablejsapi=1" frameborder="0" allowfullscreen></iframe> <br /><br /&g...
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Updating the list view when the adapter data changes

... | edited Jul 11 '17 at 7:05 Thomas 141k4040 gold badges287287 silver badges401401 bronze badges answere...
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How do I configure Notepad++ to use spaces instead of tabs?

... sense. – deed02392 Dec 5 '13 at 16:05 The Notepad++ documentation is way outdated. The link above points to Tuxfamily...
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How can I preview a merge in git?

...gin $ git diff origin/master IMO this solution is much easier and less error prone (and therefore much less risky) than the top solution which proposes "merge then abort". share | improve this a...
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Overriding class constants vs properties

...h PHP5.3+? – Xenos Jun 24 '14 at 13:05 Hi @Xenos - The goal of the example was to show that instance-level code execut...
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Is there a version of JavaScript's String.indexOf() that allows for regular expressions?

... answered Jul 12 '15 at 22:05 rmg.n3trmg.n3t 90311 gold badge1010 silver badges1515 bronze badges ...