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Convert RGB to RGBA over white
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Take the lowest color component, and convert that to an alpha value. Then scale the color components by subtracting the lowest, and dividing by the alpha value.
Example:
152 converts to an alpha value of (255 - 152) / 255 ~ 0.404
152 scales using (152 - 1...
How to check if an object is serializable in C#
...s it not the case that we must recursively drill into that objects members and check each one, if not just try to serialize it and see if it fails?
– Brian Sweeney
Jan 26 '11 at 18:34
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What's the difference between RouteLink and ActionLink in ASP.NET MVC?
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Action and Routes don't have to have a 1:1 relationship.
ActionLink will generate the URL to get to an action using the first matching route by action name.
RouteLink will generate a URL to a specific route determined either by na...
Vertical (rotated) label in Android
I need 2 ways of showing vertical label in Android:
10 Answers
10
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Scope of sessionStorage and localStorage
I read some documentation on sessionStorage and localStorage, but I don't understand what the scope is: the domain, a specific page?
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What exactly is Java EE?
I have been doing Java SE for some years now and moving on to Java EE. However, I have some trouble understanding some aspects of Java EE.
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Different results with Java's digest versus external utilities
... I am using Windows 7 Professional with SP1 . I have tried Java 6.0.29 and Java 7.0.03 . Can someone tell me why I am getting different hash values from Java versus (many!) external utilities and/or websites? Everything external matches with each other, only Java is returning different result...
When would I use Task.Yield()?
I'm using async/await and Task a lot but have never been using Task.Yield() and to be honest even with all the explanations I do not understand why I would need this method.
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How do I change the IntelliJ IDEA default JDK?
I use IntelliJ IDEA as my development environment, and Maven for dependency management. I frequently build my project structure (directories, poms, etc) outside of IDEA and then import the project into IDEA using Import project from external model . This works great, except that in my poms I spec...
How to listen for a WebView finishing loading a URL?
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Extend WebViewClient and call onPageFinished() as follows:
mWebView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
// do your stuff here
}
});
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