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Map Tiling Algorithm
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edited Jan 22 '13 at 8:54
answered Jan 22 '13 at 8:44
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Bomb dropping algorithm
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edited Mar 9 '13 at 8:46
community wiki
4 r...
How to randomly sort (scramble) an array in Ruby?
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Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
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How do I list all versions of a gem available at a remote site?
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deleting rows in numpy array
...thod.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To delete the third column, do this:
x = numpy.delete(x,(2), axis=1)
So you could find the indices of the rows which have a ...
Select records from NOW() -1 Day
...efully.
– Jon Skeet
Jul 17 '18 at 7:46
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Subscripts in plots in R
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edited Jun 3 '17 at 11:34
Tom Kelly
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answered Apr 14 '12 at 19:...
How to trace the path in a Breadth-First Search?
...raph is in adjacent list representation
graph = {
'1': ['2', '3', '4'],
'2': ['5', '6'],
'5': ['9', '10'],
'4': ['7', '8'],
'7': ['11', '12']
}
def bfs(graph, start, end):
# maintain a queue of paths
queue = []
# push the first path into t...
Is sizeof(bool) defined in the C++ language standard?
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