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Get distance between two points in canvas

...| edited Mar 18 '18 at 19:06 Tony L. 11.9k55 gold badges5858 silver badges5959 bronze badges answered Ja...
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How can I quickly sum all numbers in a file?

...; } -e syntax OK Just for giggles, I tried this with a file containing 1,000,000 numbers (in the range 0 - 9,999). On my Mac Pro, it returns virtually instantaneously. That's too bad, because I was hoping using mmap would be really fast, but it's just the same time: use 5.010; use File::Map qw(ma...
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LINQ with groupby and count

... .OrderBy(x => x.Metric)) { Console.WriteLine("{0} {1}", line.Metric, line.Count); } > This was a brilliantly quick reply but I'm having a bit of an issue with the first line, specifically "data.groupby(info=>info.metric)" I'm assuming you already have a list/array...
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The located assembly's manifest definition does not match the assembly reference

...g to run some unit tests in a C# Windows Forms application (Visual Studio 2005), and I get the following error: 53 Answers ...
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How to refresh app upon shaking the device?

... public void onSensorChanged(SensorEvent se) { float x = se.values[0]; float y = se.values[1]; float z = se.values[2]; mAccelLast = mAccelCurrent; mAccelCurrent = (float) Math.sqrt((double) (x*x + y*y + z*z)); float delta = mAccelCurrent - mAccelLast; mAcc...
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How to return a part of an array in Ruby?

...e out of range. a = [ "a", "b", "c", "d", "e" ] a[2] + a[0] + a[1] #=> "cab" a[6] #=> nil a[1, 2] #=> [ "b", "c" ] a[1..3] #=> [ "b", "c", "d" ] a[4..7] #=> [ "e" ] ...
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What are Vertex Array Objects?

... 102 "Vertex Array Object" is brought to you by the OpenGL ARB Subcommittee for Silly Names. Think ...
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How to normalize a NumPy array to within a certain range?

... 140 audio /= np.max(np.abs(audio),axis=0) image *= (255.0/image.max()) Using /= and *= allows you ...
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Text border using css (border around text)

... Use multiple text shadows: text-shadow: 2px 0 0 #fff, -2px 0 0 #fff, 0 2px 0 #fff, 0 -2px 0 #fff, 1px 1px #fff, -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff; body { font-family: sans-serif; background: #222; color: darkred; } h1 { text-sha...
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]

I have a = [1,2,3,4] and I want d = {1:0, 2:0, 3:0, 4:0} 5 Answers 5 ...