大约有 47,000 项符合查询结果（耗时：0.0470秒） [XML]
What is the difference between Ruby 1.8 and Ruby 1.9
...
4 Answers
4
Active
...
Python's “in” set operator
...
answered Jan 2 '12 at 21:14
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
667k127127 gold badges11911191 silver badges12501250 bronze badges
...
What does -1 mean in numpy reshape?
...
614
The criterion to satisfy for providing the new shape is that 'The new shape should be compatible...
How do you know when to use fold-left and when to use fold-right?
...
4 Answers
4
Active
...
How to get subarray from array?
I have var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
...
Best way to find the intersection of multiple sets?
...
465
From Python version 2.6 on you can use multiple arguments to set.intersection(), like
u = set...
How do you plot bar charts in gnuplot?
...
124
Simple bar graph:
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) wit...
Iterate a list with indexes in Python
...
>>> a = [3,4,5,6]
>>> for i, val in enumerate(a):
... print i, val
...
0 3
1 4
2 5
3 6
>>>
share
|
improve this...
Efficient way to apply multiple filters to pandas DataFrame or Series
...ite helper functions for this, consider something along these lines:
In [14]: def b(x, col, op, n):
return op(x[col],n)
In [15]: def f(x, *b):
return x[(np.logical_and(*b))]
In [16]: b1 = b(df, 'col1', ge, 1)
In [17]: b2 = b(df, 'col1', le, 1)
In [18]: f(df, b1, b2)
O...
How to click first link in list of items after upgrading to Capybara 2.0?
... |
edited Jan 25 '13 at 7:44
answered Jan 25 '13 at 7:12
An...