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What's the proper value for a checked attribute of an HTML checkbox?

We all know how to form a checkbox input in HTML: 8 Answers 8 ...
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Best practice: AsyncTask during orientation change

AsyncTask is a great thing to run complex tasks in another thread. 9 Answers 9 ...
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How to use ScrollView in Android?

I have an XML layout file, but the text is more than fits into the screen size. What do I need to do in order to make a ScrollView ? ...
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres

What is the best way to find records with duplicate values across multiple columns using Postgres, and Activerecord? 5 Answ...
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SQL Server add auto increment primary key to existing table

As the title, I have an existing table which is already populated with 150000 records. I have added an Id column (which is currently null). ...
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CSS selector for a checked radio button's label

... try the + symbol: It is Adjacent sibling combinator. It combines two sequences of simple selectors having the same parent and the second one must come IMMEDIATELY after the first. As such: input[type="radio"]:checked+label{ font-weight: bold; } //a label tha...
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Separate Back Stack for each tab in Android using Fragments

I'm trying to implement tabs for navigation in an Android app. Since TabActivity and ActivityGroup are deprecated I would like to implement it using Fragments instead. ...
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Square retrofit server mock for testing

What's the best way to mock a server for testing when using the square retrofit framework . 11 Answers ...
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Show Youtube video source into HTML5 video tag?

I'm trying to put a YouTube video source into the HTML5 <video> tag, but it doesn't seem to work. After some Googling, I found out that HTML5 doesn't support YouTube video URLs as a source. ...
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Show an image preview before upload

In my HTML form I have input filed with type file for example : 5 Answers 5 ...