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What is going wrong when Visual Studio tells me “xcopy exited with code 4”
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Xcopy exit code 4 means "Initialization error occurred. There is not enough memory or disk space, or you entered an invalid drive name or invalid syntax on the command line."
It looks like Visual Studio is supplying invalid arguments to xco...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...xception when opening a BluetoothSocket on my Nexus 7 (2012), with Android 4.3 (Build JWR66Y, I guess the second 4.3 update). I have seen some related postings (e.g. https://stackoverflow.com/questions/13648373/bluetoothsocket-connect-throwing-exception-read-failed ), but none seems to provide a wo...
Is there a difference between x++ and ++x in java?
...mil HEmil H
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Update parent scope variable in AngularJS
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edited May 23 '17 at 11:47
Community♦
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answered Jun 4 '13 at 23:27
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Converting String to “Character” array in Java
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edited Jan 29 '14 at 22:45
David Newcomb
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Removing all non-numeric characters from string in Python
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Ned BatchelderNed Batchelder
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When do you need to explicitly call a superclass constructor?
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141
You never need just
super();
That's what will be there if you don't specify anything else. Y...
Javascript reduce on array of objects
... the sum of the x properties of the parameters:
var arr = [{x:1},{x:2},{x:4}];
arr.reduce(function (a, b) {
return {x: a.x + b.x}; // returns object with property x
})
// ES6
arr.reduce((a, b) => ({x: a.x + b.x}));
// -> {x: 7}
Explanation added from comments:
The return value of each...
OSGi: What are the differences between Apache Felix and Apache Karaf?
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edited May 25 '16 at 14:20
answered Oct 23 '09 at 13:01
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Programmatically set height on LayoutParams as density-independent pixels
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edited Oct 3 '12 at 7:49
Serhat Ozgel
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answ...