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Unable to execute dex: Multiple dex files define

I know this question has been asked here a few times before. But i haven't seen any possible solution yet. Before i make the project 'Run as Android Application' , if i do not clean it, i receive the following error and have to restart Eclipse ... and clean again. ...
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Convert SVG to image (JPEG, PNG, etc.) in the browser

... You can now use the JavaScript SVG library Pablo to achieve this (I made it). See the toImage() and also download() for an auto-downloaded image. – Premasagar Sep 15 '14 at 14:04 ...
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Use JavaScript to place cursor at end of text in text input element

... Works in Chrome now (9.0.597.98) – Matt Feb 28 '11 at 10:05 6 ...
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Should I be using object literals or constructor functions?

...; }; A class like this also acts like a schema for your data object: You now have some sort of contract (through the constructor) what properties the object initializes/contains. A free literal is just an amorphous blob of data. You might as well have an external verify function that acts on a pl...
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Check for internet connection availability in Swift

...uru said, this is based on stackoverflow.com/a/25623647/1187415, which has now been updated for Swift 2. – Martin R Jun 10 '15 at 1:52 2 ...
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Is it possible to use JS to open an HTML select to show its option list? [duplicate]

... Unfortunately, it is now deprecated on Chrome 53+ – Washington Guedes Sep 27 '16 at 19:58 ...
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CSS transition shorthand with multiple properties?

...ay property. Edit: previously listed here were the compatibilities and known issues regarding transition. Removed for readability. Bottom-line: just use it. The nature of this property is non-breaking for all applications and compatibility is now well above 94% globally. If you still want to be...
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Node / Express: EADDRINUSE, Address already in use - Kill server

...f' fails: 14 Mar 21:19:30 - socket.io ready - accepting connections Could now start the server: EADDRINUSE, Address already in use – Jean Jordaan Mar 14 '11 at 14:21 ...
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jQuery callback for multiple ajax calls

...the following will work or if you need to have your ajax calls fired at unknown times as shown here with two buttons: fired after both buttons are clicked [usage] for single callback once complete: Working Example // initialize here var requestCallback = new MyRequestsCompleted({ numRequest: ...
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How to center a checkbox in a table cell?

... header row. How do I center the checkbox (with inline CSS in my HTML? (I know)) 10 Answers ...