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Tainted canvases may not be exported

... For security reasons, your local drive is declared to be "other-domain" and will taint the canvas. (That's because your most sensitive info is likely on your local drive!). While testing try these workarounds: Put all page related files (.html, .jpg, .js, .css, etc) on your desktop (not i...
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Delete all Duplicate Rows except for One in MySQL? [duplicate]

... Editor warning: This solution is computationally inefficient and may bring down your connection for a large table. NB - You need to do this first on a test copy of your table! When I did it, I found that unless I also included AND n1...
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convert '1' to '0001' in JavaScript [duplicate]

How can I convert convert '1' to '0001' in JavaScript without using any 3rd party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]); ...
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Split output of command by columns using Bash?

...answered Oct 27 '09 at 10:34 unwindunwind 353k5959 gold badges436436 silver badges567567 bronze badges ...
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How to copy a selection to the OS X clipboard

I have an area selected in Vim. How can I copy it into the OS X clipboard? 27 Answers ...
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How can I remove the outline around hyperlinks images?

When we use Text Replacement using CSS and give a negative test-indent i.e. text-indent:-9999px . Then when we click on that link the Dotted line appears like in the sample image below. What's the solution for this? ...
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iOS detect if user is on an iPad

I have an app that runs on the iPhone and iPod Touch, it can run on the Retina iPad and everything but there needs to be one adjustment. I need to detect if the current device is an iPad. What code can I use to detect if the user is using an iPad in my UIViewController and then change something ac...
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What is a sealed trait?

Sealed classes are described in 'Programming in Scala', but sealed traits are not. Where can I find more information about a sealed trait? ...
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What is the fastest way to compute sin and cos together?

I would like to compute both the sine and co-sine of a value together (for example to create a rotation matrix). Of course I could compute them separately one after another like a = cos(x); b = sin(x); , but I wonder if there is a faster way when needing both values. ...
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What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat

... It obtains a reference to the class object with the FQCN (fully qualified class name) oracle.jdbc.driver.OracleDriver. It doesn't "do" anything in terms of connecting to a database, aside from ensure that the specified class is load...