大约有 44,000 项符合查询结果（耗时：0.0556秒） [XML]
Find object in list that has attribute equal to some value (that meets any condition)
...
Tropicalrambler
16333 silver badges1313 bronze badges
answered Aug 19 '11 at 18:01
agfagf
140k...
Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
...
|
edited Jul 20 '12 at 17:36
answered Jul 30 '11 at 6:10
...
How do I build a numpy array from a generator?
...
130
Numpy arrays require their length to be set explicitly at creation time, unlike python lists. ...
Python argparse: default value or specified value
...rgparse.ArgumentParser()
parser.add_argument('--example', nargs='?', const=1, type=int)
args = parser.parse_args()
print(args)
% test.py
Namespace(example=None)
% test.py --example
Namespace(example=1)
% test.py --example 2
Namespace(example=2)
nargs='?' means 0-or-1 arguments
const=1 sets...
Count number of records returned by group by
...
13 Answers
13
Active
...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...
163
The Gemfile is where you specify which gems you want to use, and lets you specify which versio...
Flexbox and Internet Explorer 11 (display:flex in ?)
...
153
According to http://caniuse.com/#feat=flexbox:
"IE10 and IE11 default values for flex are 0 0...
Migrating from JSF 1.2 to JSF 2.0
I am working with a rather large app written in JSF 1.2 .
JSF 1.2 is around 6 years old now. I need to upgrade to JSF 2.0. How painful will this be? I noticed that some attributes in custom tags have been changed etc.
...
WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
...ginal code from WheelView: 效果类似android4.0以上原生的DatePicker 18
Thanks @wildcontrol to sponsor this extension
Demo picture:
this demo used 3 extensions
Download link here;
aix拓展
cn.kevinkun.WheelView.aix
demo
WheelView.aia
Wheel Calendar 扩展
Whee...
How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
...
12 Answers
12
Active
...