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Should I write script in the body or the head of the html? [duplicate]

... I would answer this with multiple options actually, the some of which actually render in the body. Place library script such as the jQuery library in the head section. Place normal script in the head unless it becomes a performance/page load issue. Place script associa...
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Finding duplicate values in a SQL table

...ly group on both of the columns. Note: the older ANSI standard is to have all non-aggregated columns in the GROUP BY but this has changed with the idea of "functional dependency": In relational database theory, a functional dependency is a constraint between two sets of attributes in a relation...
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Checking for an empty field with MySQL

... If you want to find all records that are not NULL, and either empty or have any number of spaces, this will work: LIKE '%\ ' Make sure that there's a space after the backslash. More info here: http://dev.mysql.com/doc/refman/5.0/en/string-com...
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Twitter Bootstrap vs jQuery UI? [closed]

...n several projects. The biggest difference in my opinion jQuery UI is fallback safe, it works correctly and looks good in old browsers, where Bootstrap is based on CSS3 which basically means GREAT in new browsers, not so great in old Update frequency: Bootstrap is getting some great big updates ...
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What's onCreate(Bundle savedInstanceState)

... If you save the state of the application in a bundle (typically non-persistent, dynamic data in onSaveInstanceState), it can be passed back to onCreate if the activity needs to be recreated (e.g., orientation change) so that you don't lose this prior information. If no data was suppl...
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How to read multiple text files into a single RDD?

... RDD. The API here is just an exposure of Hadoop's FileInputFormat API, so all the same Path options apply. – Nick Chammas Jun 4 '14 at 15:04 7 ...
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When a 'blur' event occurs, how can I find out which element focus went *to*?

...s caused by tabbing through fields with the keyboard, and does not work at all in Chrome or Safari. The big problem with using activeElement (except in IE) is that it is not consistently updated until after the blur event has been processed, and may have no valid value at all during processing! This...
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Difference between static and shared libraries?

... Shared libraries are .so (or in Windows .dll, or in OS X .dylib) files. All the code relating to the library is in this file, and it is referenced by programs using it at run-time. A program using a shared library only makes reference to the code that it uses in the shared library. Static librar...
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How to return PDF to browser in MVC?

... document.Open(); // Set up fonts used in the document Font font_heading_1 = FontFactory.GetFont(FontFactory.TIMES_ROMAN, 19, Font.BOLD); Font font_body = FontFactory.GetFont(FontFactory.TIMES_ROMAN, 9); // Create the heading paragraph with the headig font Paragraph paragraph...
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Ruby optional parameters

...cope ||= LDAP::LDAP_SCOPE_SUBTREE ... do something ... end Now if you call the method as above, the behaviour will be as you expect. share | improve this answer | follow ...