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Add & delete view from Layout

...ld"); ViewGroup Layout = (LinearLayout) getActivity().findViewById(R.id.my_layout); layout.addView(view); There are also a number of remove methods. Check the documentation of ViewGroup. One simple way to remove view from a layout can be like, layout.removeAllViews(); // then you will end up h...
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Android selector & text color

I want a simple TextView to behave the way simple_list_item_1 in a ListView does. Here's the XML: 9 Answers ...
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C# Linq Group By on multiple columns [duplicate]

... @jazmatician _ I agree with you on the point that re-using x might confuse some, but not on the choice for variable names. I'll change it to x and y to diferentiate. – Jamiec Nov 19 '12 at 15:51 ...
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What would cause an algorithm to have O(log n) complexity?

...h of (some function of N)" if and only if: For all N > some arbitrary N_0, there is some constant c, such that the runtime of the algorithm is less than that constant c times (some function of N.) In other words, don't think about small problems where the "constant overhead" of setting up the...
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Differences between Ant and Maven [closed]

...Location="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-4_0_0.xsd"> <parent> <groupId>com.mycompany</groupId> <artifactId>app-parent</artifactId> <version>1.0</version> </parent> <modelVersi...
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How to use int.TryParse with nullable int? [duplicate]

...uld never copy/paste from the internet just because an answer is accepted ^_^. – Thomas Jones Jan 15 '15 at 22:59 17 ...
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Installing rmagick on Ubuntu

...I didn't need any additional packages. At least for Magick::ImageList.from_blob, Magick::ImageList.resize, and Magick::ImageList.write. Not sure about other methods. – umassthrower Nov 26 '12 at 6:04 ...
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How to round an image with Glide library?

...ze, size); Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888); if (result == null) { result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888); } Canvas canvas = new Canvas(result); Paint paint = new Paint(); paint.setS...
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Run an app on a multiple devices automatically in Android Studio

...io 3.5 Build #AI-191.8026.42.35.5791312, built on August 9, 2019 JRE: 1.8.0_202-release-1483-b03 amd64 JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o Windows Server 2016 10.0 In this update they have added in-built option to run application on multiple devices. The IDE has a new drop-down me...
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Declaring array of objects

...); // or if you want different objects let arr3 = new Array(5).fill().map((_, i) => ({ id: i })); Will create an array of 5 items. Then you can use forEach for example. arr.forEach(str => console.log(str)); Note that when doing new Array(5) it's just an object with length 5 and the array ...