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Origin null is not allowed by Access-Control-Allow-Origin

...oying to the web, rather than use local files, install a simple web server and test via http:// URLs instead. That gives you a much more accurate security picture. share | improve this answer ...
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Explode PHP string by new line

...can use to make your code system independent, see this link to find useful and system independent directory constants. Warning These constants make your page system independent, but you might run into problems when moving from one system to another when you use the constants with data stored on an...
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PATH issue with pytest 'ImportError: No module named YadaYadaYada'

I used easy_install to install pytest on a mac and started writing tests for a project with a file structure likes so: 20 A...
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What is the relationship between Looper, Handler and MessageQueue in Android?

I have checked the official Android documentation/guide for Looper , Handler and MessageQueue . But I couldn't get it. I am new to android, and got very confused with these concepts. ...
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Android Studio: Android Manifest doesn't exists or has incorrect root tag

I got this error on Android Studio (AS): 11 Answers 11 ...
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]

...egory around UIButton to be able to set the background color of the button and set the state. You might find this useful. @implementation UIButton (ButtonMagic) - (void)setBackgroundColor:(UIColor *)backgroundColor forState:(UIControlState)state { [self setBackgroundImage:[UIButton imageFromC...
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How to set delay in android?

I want to set a delay between the command between changing background. I tried using a thread timer and tried using run and catch. But it isn't working. I tried this ...
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How do I fix the Visual Studio compile error, “mismatch between processor architecture”?

...project configuration in Visual Studio 2010, but I've done some research and still can't quite figure this issue out. I have a Visual Studio solution with a C++ DLL referencing the C# DLL. The C# DLL references a few other DLLs, some within my project and some external. When I try to compile the C...
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Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)

...on to store static files in Flask's application root directory. robots.txt and sitemap.xml are expected to be found in /, so my idea was to create routes for them: ...
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How to add leading zeros for for-loop in shell? [duplicate]

... Best answer, and it avoids using clumsy external commands (like 'seq', not necessary in proper Bash). Helped me. – Scott Prive Jan 28 '15 at 20:31 ...