大约有 47,000 项符合查询结果（耗时：0.0720秒） [XML]
Convert file: Uri to File in Android
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managedQuery is now deprecated. use getContentResolver().query(...) instead, which works on API 11+. Add a conditional for devices older than API 11.
– Kyle Falconer
May 27 '14 at 15:05
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Setting background colour of Android layout element
.... Just searched the docs, this is pretty standard android stuff, but seems nowhere really documented. Neither the tutorials on the dev site nor the api samples make use of this. The android doc is somewhat lacking when it comes to some features. I think I picked it up by accident in some external tu...
How to delete all datastore in Google App Engine?
Does anyone know how to delete all datastore in Google App Engine ?
28 Answers
28
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How do I update pip itself from inside my virtual environment?
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This is now what pip itself recommends, if it detects a newer version of itself.
– tephyr
May 29 '16 at 21:51
1
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Unit testing that events are raised in C# (in order)
...dName == properties.Count();
}
}
The tests of your class can now be written as. (maybe you want to split the test into "event is there" and "event raised with correct name" - you can do this yourself)
[TestMethod]
public void EveryWriteablePropertyImplementsINotifyPropertyChangedCorre...
jQuery: click function exclude children.
...d != true ) {
// It is clicked on parent but not on child.
// Now do some action that you want.
alert('Clicked on parent');
}else{
alert('Clicked on child');
}
childElementClicked = false;
});
#parentElement{
width:200px;
height:200px;
backg...
How to delete a specific line in a file?
...ng along the line as it's read. Once that line has been read the cursor is now past it. When you try to write into the file you write where the cursor currently is. By re-opening the file you reset the cursor.
– Waddas
Aug 6 '14 at 20:48
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PostgreSQL error: Fatal: role “username” does not exist
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I'm getting "insufficient privileges", but now I get ERROR: roll "username" already exists.
– Wylliam Judd
Aug 17 '16 at 22:50
5
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http HEAD vs GET performance
...ontent and may be used, for example, to see if a resource has changed, to know its size or its type, to check if it exists, and so on.
And remember : early optimization is the root of all evil.
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Selecting last element in JavaScript array [duplicate]
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It's an old answer, but especially now please avoid mutating any builtin prototypes (e.g. Array.prototype.last = is an unsafe assignment).
– Josh from Qaribou
Oct 1 '16 at 9:24
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