大约有 41,300 项符合查询结果（耗时：0.0348秒） [XML]
Filter dataframe rows if value in column is in a set list of values [duplicate]
...
663
Use the isin method:
rpt[rpt['STK_ID'].isin(stk_list)]
...
Avoid trailing zeroes in printf()
...tf format specifiers. The closest you could get would be:
printf("%.6g", 359.013); // 359.013
printf("%.6g", 359.01); // 359.01
but the ".6" is the total numeric width so
printf("%.6g", 3.01357); // 3.01357
breaks it.
What you can do is to sprintf("%.20g") the number to a string buffer then...
how to draw smooth curve through N points using javascript HTML5 canvas?
...
132
The problem with joining subsequent sample points together with disjoint "curveTo" type functio...
What does .SD stand for in data.table in R
...
3 Answers
3
Active
...
Reversing a linked list in Java, recursively
...
32 Answers
32
Active
...
How to flush output of print function?
...
13 Answers
13
Active
...
Best way to find the intersection of multiple sets?
...tiple arguments to set.intersection(), like
u = set.intersection(s1, s2, s3)
If the sets are in a list, this translates to:
u = set.intersection(*setlist)
where *a_list is list expansion
Note that set.intersection is not a static method, but this uses the functional notation to apply intersec...
How do I make python wait for a pressed key?
...
In Python 3 use input():
input("Press Enter to continue...")
In Python 2 use raw_input():
raw_input("Press Enter to continue...")
This only waits for the user to press enter though.
One might want to use msvcrt ((Windows/DO...
Converting NumPy array into Python List structure?
How do I convert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast?
5 Answers
...