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The 'Access-Control-Allow-Origin' header contains multiple values

I'm using AngularJS $http on the client side to access an endpoint of a ASP.NET Web API application on the server side. As the client is hosted on a different domain as the server, I need CORS. It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.ge...
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What is the difference between String and string in C#?

.... It's like int vs. System.Int32. As far as guidelines, it's generally recommended to use string any time you're referring to an object. e.g. string place = "world"; Likewise, I think it's generally recommended to use String if you need to refer specifically to the class. e.g. string greet ...
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The performance impact of using instanceof in Java

... Modern JVM/JIT compilers have removed the performance hit of most of the traditionally "slow" operations, including instanceof, exception handling, reflection, etc. As Donald Knuth wrote, "We should forget about small efficiencies, say abou...
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Android View shadow

...<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <!--the shadow comes from here--> <item android:bottom="0dp" android:drawable="@android:drawable/dialog_holo_light_frame" android:left="...
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How do I keep the screen on in my App? [duplicate]

... v.setKeepScreenOn(true); setContentView(v); } Docs http://developer.android.com/reference/android/view/View.html#setKeepScreenOn(boolean) 2. Adding keepScreenOn to xml layout <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.andro...
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Is there a way to break a list into columns?

... The CSS solution is: http://www.w3.org/TR/css3-multicol/ The browser support is exactly what you'd expect.. It works "everywhere" except Internet Explorer 9 or older: http://caniuse.com/multicolumn ul { -moz-column-count: 4; -moz-colum...
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“Rate This App”-link in Google Play store app on the phone

...tartActivity(Intent(Intent.ACTION_VIEW, Uri.parse("http://play.google.com/store/apps/details?id=$packageName"))) } share | improve this answer | ...
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Embedding Base64 Images

...all major browsers. IE supports embedding images since version 8 as well. http://caniuse.com/#feat=datauri Data URIs are now supported by the following web browsers: Gecko-based, such as Firefox, SeaMonkey, XeroBank, Camino, Fennec and K-Meleon Konqueror, via KDE's KIO slaves input/outp...
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Are arrays passed by value or passed by reference in Java? [duplicate]

...ou feel inclined to disagree with the terminology, you should read them. http://publib.boulder.ibm.com/infocenter/comphelp/v8v101/topic/com.ibm.xlcpp8a.doc/language/ref/cplr233.htm http://www.cs.fsu.edu/~myers/c++/notes/references.html Related SO question: Is Java "pass-by-reference" or "pass-...
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Is there an easy way to convert jquery code to javascript? [closed]

...me less helpful) resources. The articles on this website are pretty good: http://www.htmlgoodies.com/primers/jsp/ And as Nosredna points out in the comments: be sure to test in all browsers, because now jQuery won't be handling the inconsistencies for you. ...