大约有 45,000 项符合查询结果(耗时:0.0472秒) [XML]
How do I get a string format of the current date time, in python?
...t datetime
>>> datetime.date.today().strftime("%B %d, %Y")
'July 23, 2010'
>>> datetime.datetime.now().strftime("%I:%M%p on %B %d, %Y")
'10:36AM on July 23, 2010'
share
|
improve ...
What are the differences between vector and list data types in R?
...tors are "atomic vectors" in strict R parlance:
aaa <- vector("list", 3)
is.list(aaa) #TRUE
is.vector(aaa) #TRUE
Lists are a "recursive" type (of vector) whereas atomic vectors are not:
is.recursive(aaa) # TRUE
is.atomic(aaa) # FALSE
You process data objects with different functions...
How does IPython's magic %paste work?
...
138
You can't copy to IPython directly. This are the steps:
Copy the lines you want to copy into ...
Find substring in the string in TWIG
...
348
Just searched for the docs, and found this:
Containment Operator:
The in operator performs co...
What is the difference between ~> and >= when specifying rubygem in Gemfile?
... |
edited Feb 5 '14 at 23:13
answered Nov 27 '10 at 17:33
...
Why is the parent div height zero when it has floated children
...
3 Answers
3
Active
...
In R, how to get an object's name after it is sent to a function?
...
3 Answers
3
Active
...
Using isKindOfClass with Swift
...
answered Jun 14 '14 at 13:29
KPMKPM
10k33 gold badges4141 silver badges6363 bronze badges
...
