大约有 3,000 项符合查询结果（耗时：0.0292秒） [XML]
Android - border for button
...s file in res/drawables.xml
Step 3 : Insert below code
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient android:startColor="#FFFFFF"
android:endColor="#00FF00"
android:angle="27...
How to tell if a string is not defined in a Bash shell script
...n error message if foo is unset, etc.
– Jouni K. Seppänen
Oct 23 '08 at 4:54
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...
pandas GroupBy columns with NaN (missing) values
...ues are now allowed in the grouper using dropna=False:
pd.__version__
# '1.1.0.dev0+2004.g8d10bfb6f'
# Example from the docs
df
a b c
0 1 2.0 3
1 1 NaN 4
2 2 1.0 3
3 1 2.0 2
# without NA (the default)
df.groupby('b').sum()
a c
b
1.0 2 3
2.0 2 5
# with NA
df...
Android: create a popup that has multiple selection options
I've been searching around trying to figure out how to create a popup or a dialog that has 4 options to choose from.
4 Answ...
Clearing using jQuery
...gt;. Working example: jsfiddle.net/rPaZQ/23.
– Timo Kähkönen
Mar 25 '13 at 1:49
28
Problem is, ...
Why dict.get(key) instead of dict[key]?
...ited Apr 7 '17 at 7:22
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Jun 14 '12 at 21:12
...
What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...le, I am developing Foo library, which depends on a specific version (e.g. 1.0) of Bar library. Assuming I cannot make use of other version of Bar lib (because API change, or other technical issues, etc). If I simply declare Bar:1.0 as Foo's dependency in Maven, it is possible to fall into a probl...
Convert camelCaseText to Sentence Case Text
... Be careful as of v4 this function remove special characters like ä and converts them to ASCII ones (a in this case)
– collerek
Mar 27 at 13:53
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Numpy index slice without losing dimension information
....matmul() or @). Just got burned by this.
– Jean-François Corbett
Mar 27 '19 at 12:02
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Difference between Git and GitHub
... of git and not the only hosting service.
– Jonas Schäfer
Nov 10 '12 at 11:28
83
Also, you don't...