大约有 47,000 项符合查询结果（耗时：0.0628秒） [XML]
How to use a different version of python during NPM install?
I have terminal access to a VPS running centos 5.9 and default python 2.4.3 installed. I also installed python 2.7.3 via these commands: (I used make altinstall instead of make install )
...
How can I make pandas dataframe column headers all lowercase?
...e(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
share
...
How can I add items to an empty set in python
...; type(d)
<type 'set'>
>>> d.update({1})
>>> d.add(2)
>>> d.update([3,3,3])
>>> d
set([1, 2, 3])
share
|
improve this answer
|
foll...
Test whether a Ruby class is a subclass of another class
...
2 Answers
2
Active
...
OAuth 2.0: Benefits and use cases — why?
Could anyone explain what's good about OAuth2 and why we should implement it? I ask because I'm a bit confused about it — here's my current thoughts:
...
How to do Mercurial's 'hg remove' for all missing files?
...
answered Mar 9 '10 at 20:35
mfperzelmfperzel
4,69511 gold badge1414 silver badges1313 bronze badges
...
How to get default gateway in Mac OSX
... similar to:
route to: 98.137.149.56
destination: default
mask: 128.0.0.0
gateway: 5.5.0.1
interface: tun0
flags: <UP,GATEWAY,DONE,STATIC,PRCLONING>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
0 0 0 0 ...
AngularJS toggle class using ng-class
...Scroll, 'icon-autoscroll-disabled': !autoScroll}"></i>
Solution 2:
<i ng-class="{true: 'icon-autoscroll', false: 'icon-autoscroll-disabled'}[autoScroll]"></i>
Solution 3 (angular v.1.1.4+ introduced support for ternary operator):
<i ng-class="autoScroll ? 'icon-autoscro...
What's the difference between size_t and int in C++?
...
|
edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 2 '09 at 11:07
...
Returning value from called function in a shell script
...
282
A Bash function can't return a string directly like you want it to. You can do three things:
...