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Difference between $(document.body) and $('body')

...ctly to jQuery. Alternatively, when you pass the string 'body', the jQuery selector engine has to interpret the string to figure out what element(s) it refers to. In practice either will get the job done. If you are interested, there is more information in the documentation for the jQuery function...
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SQL Server IN vs. EXISTS Performance

...execution operation, to get their results. An example: Query 1 ( plan ) select * from dt where dt.customer in (select c.code from customer c where c.active=0) Query 2 ( plan ) select * from dt where exists (select 1 from customer c where c.code=dt.customer and c.active=0) ...
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Is it correct to use DIV inside FORM?

...ne . The form will submit only its input type controls ( *also Textarea , Select , etc...). You have nothing to worry about a div within a form. share | improve this answer | ...
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Any tips on how to organize Eclipse environment on multiple monitors?

...s don't "communicate", e.g. javadoc view in one window won't be updated by selections in the other, similarly jUnit. – David Nov 2 '11 at 15:01 ...
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iPhone: How to switch tabs with an animation?

...programmatically in a tab bar driven application using UITabBarController.selectedIndex . The problem I'm trying to solve is how to animate the transition between the views. ie. from the view of the current tab to the view of the selected tab. ...
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Bold & Non-Bold Text In A Single UILabel?

...59" We only need to create the attributed string: if ([_label respondsToSelector:@selector(setAttributedText:)]) { // iOS6 and above : Use NSAttributedStrings // Create the attributes const CGFloat fontSize = 13; NSDictionary *attrs = @{ NSFontAttributeName:[UIFont boldSy...
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Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]

...nverted to promoted types (that is called the default argument promotion). char will become int, for example, while float will become double. Composite type for functions By the way, if a file contains both an omitted identifier list and a parameter type list, the parameter type list "wins". The ...
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NoSql Crash Course/Tutorial [closed]

...uce...so let's create a map function do to the same as a bit of SQL code: SELECT * FROM users WHERE age > 10 In CouchDB you provide the server with a JavaScript function that gets run against every item in the database... function (doc) { if (doc.objType == "users") { if (doc.age &...
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Is it better to return null or empty collection?

...r it's IEnumerable or ICollection doesn't matter that much. Anyway, if you select something of type ICollection they also return null... I would like them to return an empty collection, but I ran into them returning null, so I thought I'd just mention it here. I would say the default of a collection...
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How would I skip optional arguments in a function call?

...llowing: function getData($name, $limit = '50', $page = '1') { return "Select * FROM books WHERE name = $name AND page = $page limit $limit"; } echo getData('some name', '', '23'); // won't work as expected The output will be: "Select * FROM books WHERE name = some name AND page = 23 limit" ...