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How to crop circular area from bitmap in Android

I have a bitmap and I want to crop a circular region from this bitmap. All pixels outside the circle should be transparent. How can I do this? ...
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Objective-C: Calling selectors with multiple arguments

...swered Jun 19 '09 at 14:24 Rob NapierRob Napier 236k3333 gold badges370370 silver badges505505 bronze badges ...
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sbt-assembly: deduplication found error

... Actually I think we should just overwrite merge strategy for META-INF leaving old strategies for the rest, so: assemblyMergeStrategy in assembly := { case PathList("META-INF", xs @ _*) => MergeStrategy.discard\n ca...
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ASP.NET MVC: No parameterless constructor defined for this object

...same exception occurs when a Model has no parameterless constructor. The call stack was figuring a method responsible for creating a new instance of a model. System.Web.Mvc.DefaultModelBinder.CreateModel(ControllerContext controllerContext, ModelBindingContext bindingContext, Type modelType) ...
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Mipmap drawables for icons

...when building an APK for hdpi devices. If you're building a single APK for all devices, then this doesn't really matter as the launcher can access the drawable resources for the desired density. The actual mipmap API from 4.3. I haven't used this and am not familiar with it. It's not used by the And...
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How to set input type date's default value to today?

...ides enough built-in support for the required format to avoid doing it manually: Add this for correct timezone support: Date.prototype.toDateInputValue = (function() { var local = new Date(this); local.setMinutes(this.getMinutes() - this.getTimezoneOffset()); return local.toJSON().slic...
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javac not working in windows command prompt

... ah yes, all i had to do was re-open the command prompt and it worked fine, thanks! – Domenic Nov 5 '09 at 6:02 1 ...
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]

... @ghoppe: Worth noting that it differs from .floor() in that it actually just removes anything to the right of the decimal. This makes a difference when used against a negative number. Also, it will always return a number, and will never give you NaN. If it can't be converted to a number, you...
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Simple Digit Recognition OCR in OpenCV-Python

...stand some of the features at end) 2) Since I knew, without understanding all those features, it is difficult to do that method. I tried some other papers, but all were a little difficult for a beginner. So I just decided to take all the pixel values as my features. (I was not worried about accura...
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Move capture in lambda

... Generalized lambda capture in C++14 In C++14 we will have the so called generalized lambda capture. This enables move capture. The following will be legal code in C++14: using namespace std; // a unique_ptr is move-only auto u = make_unique<some_type>( some, parameters ); // move...