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MSSQL Error 'The underlying provider failed on Open'

I was using an .mdf for connecting to a database and entityClient . Now I want to change the connection string so that there will be no .mdf file. ...
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Django filter versus get for single object?

...lly implemented in Django, so there should be no "performance" difference (and the fact that you're thinking about it indicates you're violating one of the cardinal rules of programming, namely trying to optimize code before it's even been written and profiled -- until you have the code and can run ...
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How can I programmatically check whether a keyboard is present in iOS app?

...take the easy way: When you enter a textField, it becomes first responder and the keyboard appears. You can check the status of the keyboard with [myTextField isFirstResponder]. If it returns YES, then the the keyboard is active. ...
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Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?

... As stated in Android's Support Library Overview, it is considered good practice to include the support library by default because of the large diversity of devices and the fragmentation that exists between the different versions of Androi...
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Convert JSON String to Pretty Print JSON output using Jackson

...t as Object, like: Object json = mapper.readValue(input, Object.class); and then write it out with indentation: String indented = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(json); this avoids your having to define actual POJO to map data to. Or you can use JsonNode (JSON Tree)...
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How to align input forms in HTML

I'm new to HTML and I'm trying to learn how to use forms. 16 Answers 16 ...
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How do you dismiss the keyboard when editing a UITextField

...eld sends its action when the user hits the Return ("Done", whatever) key, and also sends its delegate -textFieldShouldReturn:. – Noah Witherspoon Nov 8 '08 at 5:13 ...
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How do I get ASP.NET Web API to return JSON instead of XML using Chrome?

... This is a surprisingly overlooked answer, and although the original question wasn't totally clear, this directly makes JSON the default response for a web browser (which sends Accept: text/html). Good job. – gregmac Jan 15 '13 a...
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How to change my Git username in terminal?

I was pushing and pulling from git in Terminal then I changed my username on github.com. I went to push some changes and it couldn't push because it was still recognizing my old username.. How do I change/update my username on git in terminal? ...
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Remove shadow below actionbar

...he shadow add this to your app theme: <style name="MyAppTheme" parent="android:Theme.Holo.Light"> <item name="android:windowContentOverlay">@null</item> </style> UPDATE: As @Quinny898 stated, on Android 5.0 this has changed, you have to call setElevation(0) on your act...