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Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?
...rsions, are now out)
Accept agreement :)
Click "Java SE Development Kit 7 (Windows x64)": http://download.oracle.com/otn-pub/java/jdk/7/jdk-7-windows-x64.exe (for my 64-bit Windows 7 system)
You are now downloading (hopefully the latest) JDK for your system! :)
Keep in mind the above links are for...
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...
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
...
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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