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character showing up in files. How to remove them?
...BF//' < inputfile > outputfile
Notice the $ after sed for mac.
On Windows
There is Super Sed an enhanced version of sed. For Windows this is a standalone .exe, intended for running from the command line.
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Convert blob to base64
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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);
}
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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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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...
jQuery: Can I call delay() between addClass() and such?
...fications.
For other purposes JavaScript comes with a setTimeout method:
window.setTimeout(function(){$("#div").removeClass("error");}, 1000);
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