大约有 22,000 项符合查询结果（耗时：0.0370秒） [XML]
Convert blob to base64
...
var audioURL = window.URL.createObjectURL(blob);
audio.src = audioURL;
var reader = new window.FileReader();
reader.readAsDataURL(blob);
reader.onloadend = function () {
base64data = reader.result;
console.log(base64data);
}
...
Should IBOutlets be strong or weak under ARC?
...at you create to, for example, subviews of a view controller’s view or a window controller’s window, are arbitrary references between objects that do not imply ownership.
The strong outlets are frequently specified by framework classes (for example, UIViewController’s view outlet, or NSWindo...
Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...fore posting to the google URL:
var url = data.url + "&output=embed";
window.location.replace(url);
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Function to calculate distance between two coordinates
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这个问题问了JavaScript的答案。. You have to convert it to english :)
– VulfCompressor
Oct 12 '15 at 15:56
2
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Cleaning up sinon stubs easily
...all mocks stubs and spies between tests', function() {
stub = fakes.stub(window, 'someFunction');
}
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...te 0x96 in position 19: invalid start byte
In this case, the encoding is windows-1252 so you have to do:
>>> 'my weird character \x96'.decode('windows-1252')
u'my weird character \u2013'
Now that you have Unicode, you can safely encode into utf-8.
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PostgreSQL - fetch the row which has the Max value for a column
...tamp[2]
2013/01/29 update
Finally, as of version 8.4, Postgres supports Window Function meaning you can write something as simple and efficient as:
Query #3
-- use Window Functions
-- performs a SINGLE scan of the table
SELECT DISTINCT ON (usr_id)
last_value(time_stamp) OVER wnd,
last_value...
How to use WinForms progress bar?
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System.Windows.Controls.ProgressBar doesn't contain contain a field "Step". It should be removed from the example; especially since it isn't used anyway.
– Robert Tausig
Nov 19 '18 at 9:46
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How do I select a random value from an enumeration?
...turn (T)Convert.ChangeType(value, type);
}
}
Usage example:
System.Windows.Forms.Keys randomKey = RandomEnum<System.Windows.Forms.Keys>();
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jQuery: How to capture the TAB keypress within a Textbox
... var code = e.keyCode || e.which;
if (code == "9") {
window.tabPressed = true;
// Here is the external function you want to call, let your external
// function handle all your custom code, then return false to
// prevent the tab button from d...