大约有 16,000 项符合查询结果（耗时：0.0363秒） [XML]
View/edit ID3 data for MP3 files
...:
http://sourceforge.net/projects/mpg123net/
Included are the samples to convert mp3 file to PCM, and read ID3 tags.
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setResult does not work when BACK button pressed
...Bundle();
bundle.putString(FIELD_A, mA.getText().toString());
Intent mIntent = new Intent();
mIntent.putExtras(bundle);
setResult(RESULT_OK, mIntent);
super.onBackPressed();
}
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Pass An Instantiated System.Type as a Type Parameter for a Generic Class
... if you can get away with making your generic type implement a non-generic interface, you can cast to that interface. Alternatively, you could write your own generic method which does all of the work you want to do with the generic, and call that with reflection.
– Jon Skeet
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Why do you not use C for your web apps?
...tric platforms) has. So you may have to either buy components, or perform interop, or roll your own functionality which comes "for free" with a more, shall we say "web-centric" language like PHP or C# or Ruby or whatever. That means you pay more.
Add all of that to the fact that single-threaded c...
AngularJS and its use of Dollar Variables
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Downvote converted to an up-. Assuming you're right, this is now a useful answer!
– David Rivers
May 6 '13 at 16:09
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Fastest method to replace all instances of a character in a string [duplicate]
...nces of foo with bar in the string str. If you just have a string, you can convert it to a RegExp object like this:
var pattern = "foobar",
re = new RegExp(pattern, "g");
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How To Save Canvas As An Image With canvas.toDataURL()?
... create a dummy HTML anchor, and download the image from there like...
// Convert canvas to image
document.getElementById('btn-download').addEventListener("click", function(e) {
var canvas = document.querySelector('#my-canvas');
var dataURL = canvas.toDataURL("image/jpeg", 1.0);
downl...
Get list from pandas DataFrame column headers
...pears, again
cols
# ['A', 'B', 'C']
... if you're the kind of person who converts coffee to typing sounds, well, this is going consume your coffee more efficiently ;)
P.S.: if performance is important, you will want to ditch the
solutions above in favour of
df.columns.to_numpy().tolist()
# ...
What's a “static method” in C#?
...refore cannot be instantiated.
For example:
class SomeClass {
public int InstanceMethod() { return 1; }
public static int StaticMethod() { return 42; }
}
In order to call InstanceMethod, you need an instance of the class:
SomeClass instance = new SomeClass();
instance.InstanceMethod(); ...
Concatenate text files with Windows command line, dropping leading lines
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more seemingly convert tab into spaces, pity!
– Antonio
Aug 18 '15 at 8:13
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