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In Python, how do I index a list with another list?
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@daniel: both + recommended
– SilentGhost
Jun 18 '09 at 11:50
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How can I add new keys to a dictionary?
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What is the difference between this and the .update() method? Which is better when?
– hegash
Jan 16 ...
How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?
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answered Jun 27 '14 at 10:34
Duncan SmartDuncan Smart
26.8k88 gold badges6060 silver badges6868 bronze badges
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Flatten nested dictionaries, compressing keys
...ct(items)
>>> flatten({'a': 1, 'c': {'a': 2, 'b': {'x': 5, 'y' : 10}}, 'd': [1, 2, 3]})
{'a': 1, 'c_a': 2, 'c_b_x': 5, 'd': [1, 2, 3], 'c_b_y': 10}
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Explicitly select items from a list or tuple
...ray:
>>> import numpy
>>> myBigList = numpy.array(range(1000))
>>> myBigList[(87, 342, 217, 998, 500)]
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
IndexError: invalid index
>>> myBigList[[87, 342, 217, 998, 500]]
array([ 8...
How to get multiple selected values of select box in php?
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10 Answers
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Equation for testing if a point is inside a circle
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int dx = ABS(x-xo);
int dy = ABS(y-yo);
return FALSE;
}
#define N 1000000000
int main(){
int x, y;
xo = rand()%1000; yo = rand()%1000; R = 1;
int n = 0;
int c;
for (c=0; c<N; c++){
x = rand()%1000; y = rand()%1000;
// if ( inCircle(x,y) ){
if ( inCircleN(x,y) ){
//...
Count number of records returned by group by
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ThomasThomas
59.9k1010 gold badges8989 silver badges135135 bronze badges
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Can Python print a function definition?
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PeterPeter
108k4646 gold badges166166 silver badges203203 bronze badges
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Difference between abstract class and interface in Python
...ame__)) is more informative error message :)
– naught101
Sep 3 '14 at 1:43
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@Lorenzo a has-a rel...