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Why an interface can not implement another interface?
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implements means implementation, when interface is meant to declare just to provide interface not for implementation.
A 100% abstract class is functionally equivalent to an interface but it can also have implementation if you wish (in this case it won't remain 100% abstract), so from the JVM'...
How to find list intersection?
actual output: [1,3,5,6]
expected output: [1,3,5]
11 Answers
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How do you detect where two line segments intersect? [closed]
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There’s a nice approach to this problem that uses vector cross products. Define the 2-dimensional vector cross product v × w to be vx wy − vy wx.
Suppose the two line segments run from p to p + r and from q to q + s. Then any point on the first line is r...
Drawing an SVG file on a HTML5 canvas
Is there a default way of drawing an SVG file onto a HTML5 canvas? Google Chrome supports loading the SVG as an image (and simply using drawImage ), but the developer console does warn that resource interpreted as image but transferred with MIME type image/svg+xml .
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How to supply value to an annotation from a Constant java
I am thinking this may not be possible in Java because annotation and its parameters are resolved at compile time. I have an interface as follows,
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Colors with unix command “watch”?
Some commands that I use display colors, but when I use them with watch the colors disappears:
6 Answers
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How to do a scatter plot with empty circles in Python?
...lot with empty circles be plotted? The goal is to draw empty circles around some of the colored disks already plotted by scatter() , so as to highlight them, ideally without having to redraw the colored circles.
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Creating a simple XML file using python
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These days, the most popular (and very simple) option is the ElementTree API,
which has been included in the standard library since Python 2.5.
The available options for that are:
ElementTree (Basic, pure-Python implementation of ElementTree. Pa...
How to get a ListBox ItemTemplate to stretch horizontally the full width of the ListBox?
I want to have the ListItems to extend with their orange background the full width of the Listbox.
6 Answers
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Reimport a module in python while interactive
I know it can be done, but I never remember how.
6 Answers
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