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JavaScript equivalent of PHP's in_array()

Is there a way in JavaScript to compare values from one array and see if it is in another array? 20 Answers ...
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Thread Safety in Python's dictionary

...de should be safe. Keep in mind: a lock here will add almost no overhead, and will give you peace of mind. http://effbot.org/pyfaq/what-kinds-of-global-value-mutation-are-thread-safe.htm has more details. share |...
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How to use “raise” keyword in Python [duplicate]

...ve read the official definition of "raise", but I still don't quite understand what it does. 6 Answers ...
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How can I scale an image in a CSS sprite

...an you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out? ...
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How do I make text bold in HTML?

... answered Jul 4 '09 at 14:59 AndrijaAndrija 11.9k1515 gold badges5050 silver badges7171 bronze badges ...
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How can I run PowerShell with the .NET 4 runtime?

...rShell (the engine) runs fine under .NET 4.0. PowerShell (the console host and the ISE) do not, simply because they were compiled against older versions of .NET. There's a registry setting that will change the .NET framework loaded systemwide, which will in turn allow PowerShell to use .NET 4.0 cla...
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What's the difference between a Future and a Promise?

What's the difference between Future and Promise ? They both act like a placeholder for future results, but where is the main difference? ...
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How to check if a file is empty in Bash?

... help you. Notice incidentally that I have swapped the roles of empty.txt and full.txt, as @Matthias suggests. share | improve this answer | follow | ...
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org.xml.sax.SAXParseException: Content is not allowed in prolog

...efore the XML declaration can be treated as whitespace if the document is handed as a stream of characters to an XML parser rather than as a stream of bytes. The same can happen if schema files (.xsd) are used to validate the xml file and one of the schema files has an UTF-8 BOM. ...
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jQuery slide left and show

I extended the jQuery effects called slideRightShow() and slideLeftHide() with a couple functions that work similarly to slideUp() and slideDown() as seen below. However, I would also like to implement slideLeftShow() and slideRightHide() . ...