大约有 43,100 项符合查询结果（耗时：0.0341秒） [XML]
Remap values in pandas column with a dict
I have a dictionary which looks like this: di = {1: "A", 2: "B"}
10 Answers
10
...
Difference between Divide and Conquer Algo and Dynamic Programming
...
158
Divide and Conquer
Divide and Conquer works by dividing the problem into sub-problems, conque...
Adding new column to existing DataFrame in Python pandas
...
1091
Use the original df1 indexes to create the series:
df1['e'] = pd.Series(np.random.randn(sLen...
Checking for the correct number of arguments
...
218
#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
ex...
Fastest way to check if a string matches a regexp in ruby?
...
104
Starting with Ruby 2.4.0, you may use RegExp#match?:
pattern.match?(string)
Regexp#match? i...
Find XOR of all numbers in a given range
...u are given a large range [a,b] where 'a' and 'b' can be typically between 1 and 4,000,000,000 inclusive. You have to find out the XOR of all the numbers in the given range.
...
Why is this program erroneously rejected by three C++ compilers?
...
31 Answers
31
Active
...
Print all day-dates between two dates [duplicate]
...up with this:
from datetime import date, timedelta
sdate = date(2008, 8, 15) # start date
edate = date(2008, 9, 15) # end date
delta = edate - sdate # as timedelta
for i in range(delta.days + 1):
day = sdate + timedelta(days=i)
print(day)
The output:
2008-08-15
2008-08-16
.....