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python Programming Glossary: a2

`xrange(2**100)` -> OverflowError: long int too large to convert to int

http://stackoverflow.com/questions/1482480/xrange2100-overflowerror-long-int-too-large-to-convert-to-int

class MyXRange object def __init__ self a1 a2 None step 1 if step 0 raise ValueError arg 3 must not be 0 if.. step 1 if step 0 raise ValueError arg 3 must not be 0 if a2 is None a1 a2 0 a1 if a2 a1 step 0 a2 step a2 a1 step if cmp.. 0 raise ValueError arg 3 must not be 0 if a2 is None a1 a2 0 a1 if a2 a1 step 0 a2 step a2 a1 step if cmp a1 a2 cmp 0 step..

Multiple levels of 'collection.defaultdict' in Python

http://stackoverflow.com/questions/2600790/multiple-levels-of-collection-defaultdict-in-python

import defaultdict d defaultdict defaultdict a key1 a1 22 a2 33 key2 a1 32 a2 55 key3 a1 43 a2 44 for i in a d i 0 i 1 Now.. d defaultdict defaultdict a key1 a1 22 a2 33 key2 a1 32 a2 55 key3 a1 43 a2 44 for i in a d i 0 i 1 Now this works but.. defaultdict a key1 a1 22 a2 33 key2 a1 32 a2 55 key3 a1 43 a2 44 for i in a d i 0 i 1 Now this works but the following which..

Python function overloading

http://stackoverflow.com/questions/6434482/python-function-overloading

my_character Character pretty_and_fast_factory a1 a2 kw1 v1 kw2 v2 my_character.add_bullet # uses pretty_and_fast_factory..

Python's use of __new__ and __init__?

http://stackoverflow.com/questions/674304/pythons-use-of-new-and-init

def __init__ self print INIT A._dict 'key' self print a1 A a2 A a3 A Outputs NEW INIT EXISTS INIT EXISTS INIT Why python..

Adding a Method to an Existing Object

http://stackoverflow.com/questions/972/adding-a-method-to-an-existing-object

self ... print fooFighters ... A.fooFighters fooFighters a2 A a2.fooFighters bound method A.fooFighters of __main__.A instance.. ... print fooFighters ... A.fooFighters fooFighters a2 A a2.fooFighters bound method A.fooFighters of __main__.A instance.. method A.fooFighters of __main__.A instance at 0x00A9BEB8 a2.fooFighters fooFighters Previously defined instances are updated..

Shuffling a list of objects in python

http://stackoverflow.com/questions/976882/shuffling-a-list-of-objects-in-python

another way around this import random class a foo bar a1 a a2 a b a1 a2 print random.shuffle b This will fail python list.. around this import random class a foo bar a1 a a2 a b a1 a2 print random.shuffle b This will fail python list random shuffle..

Pandas: create two new columns in a dataframe with values calculated from a pre-existing column

http://stackoverflow.com/questions/12356501/pandas-create-two-new-columns-in-a-dataframe-with-values-calculated-from-a-pre

2 3 4 In 4 df Out 4 a b 0 1 2 1 2 3 2 3 4 In 5 df A1 df A2 zip df a .map calculate In 6 df Out 6 a b A1 A2 0 1 2 2 3 1..

URL encoding/decoding with Python

http://stackoverflow.com/questions/3563126/url-encoding-decoding-with-python

25 5E 2A 2B 3D_ 5C 7C 7E 3C 3E E2 82 AC C2 A3 C2 A5 E2 80 A2. 2C 3F 21 27' Remember that you will need to both unquote and..

How can I check if two segments intersect?

http://stackoverflow.com/questions/3838329/how-can-i-check-if-two-segments-intersect

interval. Your line formulas are f1 x A1 x b1 y f2 x A2 x b2 y As we got two points by segment we are able to determine.. we got two points by segment we are able to determine A1 A2 b1 and b2 A1 Y1 Y2 X1 X2 Pay attention to not dividing by zero.. b2 A1 Y1 Y2 X1 X2 Pay attention to not dividing by zero A2 Y3 Y4 X3 X4 Pay attention to not dividing by zero b1 Y1 A1 X1..

Plotting implicit equations in 3d

http://stackoverflow.com/questions/4680525/plotting-implicit-equations-in-3d

contour B np.linspace xmin xmax 15 # number of slices A1 A2 np.meshgrid A A # grid on which the contour is plotted for z.. plotted for z in B # plot contours in the XY plane X Y A1 A2 Z fn X Y z cset ax.contour X Y Z z z zdir 'z' # z defines the.. of z for y in B # plot contours in the XZ plane X Z A1 A2 Y fn X y Z cset ax.contour X Y y Z y zdir 'y' for x in B # plot..

Get formula from Excel cell with python xlrd

http://stackoverflow.com/questions/4690423/get-formula-from-excel-cell-with-python-xlrd

cells that is A1 depends on B4 C5 E7 formula sqrt B4 C5 E7 A2 depends on B5 C6 formula sin B5 C6 ... The xlrd python module.. available otherwise having parsed the following B2 A2 B3 A3 B2 B4 A4 B3 B5 A5 B4 ... B60 A60 B59 you would need to..

How to approach number guessing game(with a twist) algorithm?

http://stackoverflow.com/questions/7694978/how-to-approach-number-guessing-gamewith-a-twist-algorithm

. On the second day you can again build the solutions set A2. Now for each element in A2 you'll need to check if it can be.. again build the solutions set A2. Now for each element in A2 you'll need to check if it can be reached from each element.. from each element of A1 given x tolerance . If so connect A2 n to A1 m . If it can't be reached from any node in A1 m you..