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How to track down a “double free or corruption” error

... answered May 25 '10 at 8:42 HasturkunHasturkun 31.2k55 gold badges6565 silver badges9595 bronze badges ...
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How to open, read, and write from serial port in C?

... serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1. 2 Answers ...
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Python: Get the first character of the first string in a list?

... 139 You almost had it right. The simplest way is mylist[0][0] # get the first character from th...
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How to determine if a list of polygon points are in clockwise order?

... telling you whether it's mostly clockwise). Sum over the edges, (x2 − x1)(y2 + y1). If the result is positive the curve is clockwise, if it's negative the curve is counter-clockwise. (The result is twice the enclosed area, with a +/- convention.) point[0] = (5,0) edge[0]: (6-5)(4+0) = 4 poi...
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Is it possible to set a number to NaN or infinity?

...gt;>> float('Inf') == float('Inf') True >>> float('Inf') == 1 False share | improve this answer | follow | ...
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Set Matplotlib colorbar size to match graph

... 198 You can do this easily with a matplotlib AxisDivider. The example from the linked page also w...
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How to normalize an array in NumPy?

... 12 Answers 12 Active ...
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Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]

... 381 Seems you forgot the '' of your string. In [43]: df['Value'] = df.apply(lambda row: my_test(row...
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How can I set the aspect ratio in matplotlib?

I'm trying to make a square plot (using imshow), i.e. aspect ratio of 1:1, but I can't. None of these work: 5 Answers ...
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Appropriate datatype for holding percent values?

What is the best datatype for holding percent values ranging from 0.00% to 100.00%? 5 Answers ...