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How does this CSS produce a circle?

... 0px become a circle with a radius of 180 pixels? Let's reformulate that into two questions: Where do width and height actually apply? Let's have a look at the areas of a typical box (source): The height and width apply only on content, if the correct box model is being used (no quirks mode, ...
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ASP.NET MVC Yes/No Radio Buttons with Strongly Bound Model MVC

Does anyone know how to bind a Yes/No radio button to a boolean property of a Strongly Typed Model in ASP.NET MVC. 8 Answer...
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Show and hide a View with a slide up/down animation

I have a LinearLayout that I want to show or hide with an Animation that pushes the layout upwards or downwards whenever I change its visibility. ...
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How do you join on the same table, twice, in mysql?

I have 2 tables. One (domains) has domain ids, and domain names (dom_id, dom_url). 3 Answers ...
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SQL WHERE condition is not equal to?

... You can do like this DELETE FROM table WHERE id NOT IN ( 2 ) OR DELETE FROM table WHERE id <> 2 As @Frank Schmitt noted, you might want to be careful about the NULL values too. If you want to delete everything which is not 2(including the NULLs) then add OR id IS...
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How to use Single TextWatcher for multiple EditTexts?

I have three EditText widgets in my view layout. Is there a way to use a single TextWatcher for all three EditTexts ? ...
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How to set Default Controller in asp.net MVC 4 & MVC 5

How do I set Default Controller for my ASP.NET MVC 4 project without making it HomeController ? 4 Answers ...
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PDO get the last ID inserted

I have a query, and I want to get the last ID inserted. The field ID is the primary key and auto incrementing. 3 Answers ...
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Android add placeholder text to EditText

How can I add a placeholder text to EditText in the class that isn't in the XML? 8 Answers ...
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ruby on rails f.select options with custom attributes

... Rails CAN add custom attributes to select options, using the existing options_for_select helper. You almost had it right in the code in your question. Using html5 data-attributes: <%= f.select :country_id, options_for_select( @countries.map{ |c| [c.name, c.id, {'data-cu...