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python Programming Glossary: i2Searching values of a list in another List using Python http://stackoverflow.com/questions/1695452/searching-values-of-a-list-in-another-list-using-python The low level approach using the iter next idea i1 iter L1 i2 iter L2 while True try lookfor next i1 except StopIteration.. to look for all good return True while True try maybe next i2 except StopIteration # item lookfor never matched nope return.. if maybe lookfor break or a bit higher level i1 iter L1 i2 iter L2 for lookfor in i1 for maybe in i2 if maybe lookfor break..
http://stackoverflow.com/questions/4599456/textually-diffing-json yield ' s s s' tofile tofiledate lineterm started True i1 i2 j1 j2 group 0 3 group 1 4 group 0 5 group 1 6 yield @@ d d d.. 3 group 1 4 group 0 5 group 1 6 yield @@ d d d d @@ s i1 1 i2 i1 j1 1 j2 j1 lineterm for tag i1 i2 j1 j2 in group if tag 'equal'.. @@ d d d d @@ s i1 1 i2 i1 j1 1 j2 j1 lineterm for tag i1 i2 j1 j2 in group if tag 'equal' for line in a i1 i2 yield '..
http://stackoverflow.com/questions/7343697/linear-interpolation-python would be x1 x2 2.5 3.4 and the indices would be i1 1 i2 2 Calculate the slope on this interval by y_values i2 y_values.. i1 1 i2 2 Calculate the slope on this interval by y_values i2 y_values i2 x_values i2 x_values i1 ie dy dx . The value at.. the slope on this interval by y_values i2 y_values i2 x_values i2 x_values i1 ie dy dx . The value at x is now the..
Convert RGBA PNG to RGB with PIL http://stackoverflow.com/questions/9166400/convert-rgba-png-to-rgb-with-pil from apps.front import utils i Image.open u'logo.png' i2 utils.alpha_to_color i 10 loops best of 3 4.67 msec per loop.. from apps.front import utils i Image.open u'logo.png' i2 utils.alpha_composite_with_color i 10 loops best of 3 8.93 msec.. from apps.front import utils i Image.open u'logo.png' i2 utils.pure_pil_alpha_to_color i 10 loops best of 3 79.6 msec..
How to update image in tkinter label? http://stackoverflow.com/questions/14291434/how-to-update-image-in-tkinter-label basicMenu #Image Negative Menu callback def onNeg self I2 255 self.I im Image.fromarray numpy.uint8 I2 photo2 ImageTk.PhotoImage.. onNeg self I2 255 self.I im Image.fromarray numpy.uint8 I2 photo2 ImageTk.PhotoImage im self.label2 Label self.parent border.. basicMenu def onNeg self #Image Negative Menu callback I2 255 self.I im Image.fromarray np.uint8 I2 photo2 ImageTk.PhotoImage..
How can I check if two segments intersect? http://stackoverflow.com/questions/3838329/how-can-i-check-if-two-segments-intersect Xa Ya must be contained in both interval I1 and I2 defined as follow I1 MIN X1 X2 MAX X1 X2 I2 MIN X3 X4 MAX X3.. I1 and I2 defined as follow I1 MIN X1 X2 MAX X1 X2 I2 MIN X3 X4 MAX X3 X4 And we could say that Xa is included into..
Python/Scipy 2D Interpolation (Non-uniform Data) http://stackoverflow.com/questions/5146025/python-scipy-2d-interpolation-non-uniform-data rows cols z.ravel xi None yi None method 'linear' I2 interpolate.interp2d rows cols z kind 'linear' print GD.reshape.. z kind 'linear' print GD.reshape 4 10 .T print ' n' print I2 xi yi .reshape 4 10 .T import matplotlib.pyplot as plt import.. plt.scatter rows cols marker 'o' c 'b' s 5 plt.figure I2 I2 xi yi CS plt.contour xi yi I2 15 linewidths 0.5 colors 'k'..
Appending items to a list of lists in python http://stackoverflow.com/questions/8713620/appending-items-to-a-list-of-lists-in-python I have a file that is something like this Sample V1 I1 V2 I2 0 3 0.01 3 0.02 1 3 0.01 3 0.03 And so on. What I want is to..
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