大约有 42,000 项符合查询结果（耗时：0.0620秒） [XML]
How can I make pandas dataframe column headers all lowercase?
...x in data.columns]
example:
>>> data = pd.DataFrame({'A':range(3), 'B':range(3,0,-1), 'C':list('abc')})
>>> data
A B C
0 0 3 a
1 1 2 b
2 2 1 c
>>> data.columns = map(str.lower, data.columns)
>>> data
a b c
0 0 3 a
1 1 2 b
2 2 1 c
...
Tool for adding license headers to source files? [closed]
...
joshperry
36.7k1414 gold badges8181 silver badges9797 bronze badges
answered Sep 30 '08 at 3:48
TimTim
...
Visual Studio jump to next error shortcut?
...
3 Answers
3
Active
...
Bootstrap 3 modal vertical position center
...
34 Answers
34
Active
...
How does RegexOptions.Compiled work?
...
304
RegexOptions.Compiled instructs the regular expression engine to compile the regular expressio...
Open-Source Examples of well-designed Android Applications? [closed]
...
|
edited Feb 23 '13 at 16:51
Jesse Rusak
53k1212 gold badges9393 silver badges102102 bronze badges
...
Difference between two dates in Python
...
Fred FooFred Foo
317k6464 gold badges662662 silver badges785785 bronze badges
...
How to make execution pause, sleep, wait for X seconds in R?
...leep(x)
proc.time() - p1 # The cpu usage should be negligible
}
testit(3.7)
Yielding
> testit(3.7)
user system elapsed
0.000 0.000 3.704
share
|
improve this answer
|...
github markdown colspan
...
| One | Two | Three | Four | Five | Six
| -
| Span <td colspan=3>triple <td colspan=2>double
So you can omit closing </td> for speed, оr can leave for consistency.
Result from http://markdown-here.com/livedemo.html :
Works in Jupyter Markdown.
Update:
As of 2019 y...
Display milliseconds in Excel
...|
edited Jun 22 '10 at 19:38
answered Jun 22 '10 at 17:26
B...