大约有 38,000 项符合查询结果（耗时：0.0469秒） [XML]
Where are shared preferences stored?
...erences.xml and /<package>.xml on devices. Perhaps it depends on the API level of the app?
– Aleadam
May 27 '11 at 0:12
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Default value of 'boolean' and 'Boolean' in Java
...e of primitive boolean is false.
http://download.oracle.com/javase/6/docs/api/java/lang/Boolean.html
https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html
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Java RegEx meta character (.) and ordinary dot?
...ace them in positions where they can't be misinterpreted).
Needlessly escaping other characters may work, but some regex engines will treat this as syntax errors, for example \_ will cause an error in .NET.
Some others will lead to false results, for example \< is interpreted as a literal <...
How to convert a Drawable to a Bitmap?
...apDrawable)getResources().getDrawable(R.drawable.logo)).getBitmap();
For API > 22 getDrawable method moved to the ResourcesCompat class so for that you do something like this
Bitmap myLogo = ((BitmapDrawable) ResourcesCompat.getDrawable(context.getResources(), R.drawable.logo, null)).getBitma...
How to convert String to Long in Kotlin?
...ns for String are documented. You can find others for standard lib in the api reference
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What's up with Java's “%n” in printf?
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See the docs.oracle.com/javase/1.5.0/docs/api/java/util/…
– Namo
Jan 16 '19 at 9:34
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How to convert vector to array
...inter to the first element of an array, or an array?
If you're calling an API function that expects the former, you can do do_something(&v[0], v.size()), where v is a vector of doubles. The elements of a vector are contiguous.
Otherwise, you just have to copy each element:
double arr[100];
st...
jQuery How to Get Element's Margin and Padding?
...dPadd = paddT + 'px';
var formattedMarg = margT + 'px';
Check the jQuery API docs for information on each:
outerWidth
innerWidth
width
Here's the edited jsFiddle showing the result.
You can perform the same type of operations for the Height to get its margin, border, and padding.
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Huawei, logcat not showing the log for my app?
...260-4603/com.example.myapp D/Surface: Surface::disconnect(this=0xb85285d8,api=1)
4260-4260/com.example.myapp D/ActivityThread: ACT-STOP_ACTIVITY_HIDE handled : 0 / android.os.BinderProxy@2333cbdf
...but never anything like this:
4260-4603/com.example.myapp D/MainActivity: hello from onCreate!
The...
jQuery send string as POST parameters
...ata: JSON.stringify({
'foo': 'bar',
'ca$libri': 'no$libri'
}),
The API was working with a REST client but couldn't get it to function with jquery ajax in the browser. stringify was the solution.
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