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How do SQL EXISTS statements work?

... | edited Oct 23 '16 at 0:55 answered Apr 30 '12 at 7:06 ...
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HTML5 textarea placeholder not appearing

...ea></textarea> Bad: <textarea> </textarea> Update (2020) This is not true anymore, according to the HTML5 parsing spec: If the next token is a U+000A LINE FEED (LF) character token, then ignore that token and move on to the next one. (Newlines at the start of textarea elemen...
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How to check if an object is serializable in C#

... Majid 11.6k1111 gold badges6767 silver badges105105 bronze badges answered Sep 17 '08 at 10:20 leppieleppie 107k1616 gold ba...
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How to enable curl, installed Ubuntu LAMP stack?

... From http://buzznol.blogspot.com/2008/12/install-curl-extension-for-php-in.html: sudo apt-get install php5-curl After installing libcurl you should restart the web server with one of the following commands, sudo /etc/init.d/apache2 restart OR sudo servic...
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How to calculate number of days between two dates

...put dates taking from Date Picker control. I have selected start date 2/2/2012 and end date 2/7/2012. I have written following code for that. ...
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How is mime type of an uploaded file determined by browser?

...n the file: https://cs.chromium.org/chromium/src/net/base/mime_util.cc?l=170 (kPrimaryMappings and kSecondaryMappings). An example: when uploading a CSV file from a Windows system with Microsoft Excel installed, Chrome will report this as application/vnd.ms-excel. This is because .csv is not specifi...
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Reorder / reset auto increment primary key

... have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows. 15 Answ...
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Java ArrayList - how can I tell if two lists are equal, order not mattering?

... | edited Nov 21 '12 at 20:30 answered Nov 21 '12 at 20:06 ...
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Method Overloading for null argument

... | edited Jun 1 '17 at 3:40 Jake Millington 10311 silver badge1111 bronze badges answered Mar 8 '11 at 8...
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“Go To Definition” in Visual Studio only brings up the Metadata

I am working in a Web Project in Visual Studio 2008. When I hit F12 (or right-click and select Go To Definition) Visual Studio is consistently going to the Metadata file instead of going to the source. ...