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Use of 'prototype' vs. 'this' in JavaScript?

...e [[Prototype]] property. A function's this is set by how the function is called or by the use of bind (not discussed here). Where a function is called on an object (e.g. myObj.method()) then this within the method references the object. Where this is not set by the call or by the use of bind, it de...
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Why is sizeof considered an operator?

.... Indeed, that's kind of the point of sizeof. A function would differ on all those points. There are probably other differences between a function and a unary operator, but I think that's enough to show why sizeof could not be a function even if there was a reason to want it to be. ...
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SourceKitService Terminated

...th Xcode where the error "Source Kit Service Terminated" is popping up and all syntax highlighting and code completion is gone in Swift. How can I fix this? ...
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How can I write to the console in PHP?

... Firefox On Firefox you can use an extension called FirePHP which enables the logging and dumping of information from your PHP applications to the console. This is an addon to the awesome web development extension Firebug. http://www.studytrails.com/blog/using-firephp-...
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What is __init__.py for?

...kages as they existed in Python 3.2 and earlier. A regular package is typically implemented as a directory containing an __init__.py file. When a regular package is imported, this __init__.py file is implicitly executed, and the objects it defines are bound to names in the package’s namespace. The...
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Running single test from unittest.TestCase via command line

... Just noticed that this works only if the method is called "test*", so unfortunately it cannot be used to occasionally run test that is "disabled" by rename – Alois Mahdal Apr 15 '13 at 12:29 ...
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SVN undo delete before commit

... As per the link, use svn -R revert to undelete the whole directory with all contents, which is probably what you want. svn revert without the -R just restores the directory, not the contents. – n13 Aug 1 '13 at 3:22 ...
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Why is it said that “HTTP is a stateless protocol”?

HTTP has HTTP Cookies. Cookies allow the server to track the user state, the number of connections, last connection, etc. 1...
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What is the common header format of Python files?

... Its all metadata for the Foobar module. The first one is the docstring of the module, that is already explained in Peter's answer. How do I organize my modules (source files)? (Archive) The first line of each file shoud be #!/us...
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Trigger a keypress/keydown/keyup event in JS/jQuery?

... You can trigger any of the events with a direct call to them, like this: $(function() { $('item').keydown(); $('item').keypress(); $('item').keyup(); $('item').blur(); }); Does that do what you're trying to do? You should probably also trigger .focus() a...