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Maintain aspect ratio of div but fill screen width and height in CSS?

...t units vw and vh (viewport width / viewport height) FIDDLE Resize vertically and horizontally and you'll see that the element will always fill the maximum viewport size without breaking the ratio and without scrollbars! (PURE) CSS div { width: 100vw; height: 56.25vw; /* height:width ra...
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C++ equivalent of java's instanceof

...nceof) you'd better ask yourself whether it's a necessary thing. It's generally a sign of poor design. Typical workarounds is putting the special behaviour for the class you are checking for into a virtual function on the base class or perhaps introducing something like a visitor where you can int...
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Equivalent to 'app.config' for a library (DLL)

... You can have separate configuration file, but you'll have to read it "manually", the ConfigurationManager.AppSettings["key"] will read only the config of the running assembly. Assuming you're using Visual Studio as your IDE, you can right click the desired project → Add → New item → Applicat...
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Should JAVA_HOME point to JDK or JRE?

... Is it possible to validate pro-grammatically whether the Java path is set as JRE or JDK? – Dinesh Kumar P Mar 2 '18 at 11:22 add a comment ...
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Overloaded method selection based on the parameter's real type

...n Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter types of overloaded methods. Citing the Java Language Specification: When a method is invoked (§15.12), the number of actual arguments (and any explicit type arguments) and the comp...
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How to make a class property? [duplicate]

...az.bar == 50 assert foo.bar == 50 The setter didn't work at the time we call Bar.bar, because we are calling TypeOfBar.bar.__set__, which is not Bar.bar.__set__. Adding a metaclass definition solves this: class ClassPropertyMetaClass(type): def __setattr__(self, key, value): if key ...
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Why is MATLAB so fast in matrix multiplication?

... Here's my results using MATLAB R2011a + Parallel Computing Toolbox on a machine with a Tesla C2070: >> A = rand(1024); gA = gpuArray(A); % warm up by executing the operations a couple of times, and then: >> tic, C = A * A; toc Elapsed time is 0.075396 sec...
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How to make vim paste from (and copy to) system's clipboard?

...ent working file. It so happens I have to either open gedit or type it manually. 31 Answers ...
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What is event bubbling and capturing?

...utermost element and propagated to the inner elements. Capturing is also called "trickling", which helps remember the propagation order: trickle down, bubble up Back in the old days, Netscape advocated event capturing, while Microsoft promoted event bubbling. Both are part of the W3C Document...
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Rotating a two-dimensional array in Python

...2]] This list is passed into zip() using argument unpacking, so the zip call ends up being the equivalent of this: zip([3, 4], [1, 2]) # ^ ^----column 2 # |-------column 1 # returns [(3, 1), (4, 2)], which is a original rotated clockwise Hopefully the comments make it clear what zip ...