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How to tell whether a point is to the right or left side of a line

I have a set of points. I want to separate them into 2 distinct sets. To do this, I choose two points ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set. ...
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std::back_inserter for a std::set?

... 2 Answers 2 Active ...
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How to write header row with csv.DictWriter?

... Edit: In 2.7 / 3.2 there is a new writeheader() method. Also, John Machin's answer provides a simpler method of writing the header row. Simple example of using the writeheader() method now available in 2.7 / 3.2: from collections imp...
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Fast check for NaN in NumPy

... 162 Ray's solution is good. However, on my machine it is about 2.5x faster to use numpy.sum in place...
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What command means “do nothing” in a conditional in Bash?

...s greater than "10", print "1" if $a is less than "5", otherwise, print "2": 3 Answers ...
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How to compare two dates?

...t; datetime(3000, 1, 1) < present False >>> present - datetime(2000, 4, 4) datetime.timedelta(4242, 75703, 762105) share | improve this answer | follow ...
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What is the difference between gmake and make?

... | edited Jul 28 '09 at 19:21 dmckee --- ex-moderator kitten 87.6k2323 gold badges127127 silver badges219219 bronze badges ...
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Switch statement fallthrough in C#?

... 0), or using the special goto case (see case 1) or goto default (see case 2) forms: switch (/*...*/) { case 0: // shares the exact same code as case 1 case 1: // do something goto case 2; case 2: // do something else goto default; default: //...
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What's the Android ADB shell “dumpsys” tool and what are its benefits?

... 248 What's dumpsys and what are its benefit dumpsys is an android tool that runs on the device an...
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Does Internet Explorer 8 support HTML 5?

... IE8 beta 2 supports two APIs from HTML5: cross-document messaging and non-SQL storage. IE8 beta 2 doesn’t implement the HTML5 parsing algorithm or the new elements (no <canvas> or <video> support). There are also bug f...