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Why doesn't JavaScript support multithreading?
Is it a deliberate design decision or a problem with our current day browsers which will be rectified in the coming versions?
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What is the scope of variables in JavaScript?
...ript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally?
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What's the best way to validate an XML file against an XSD file?
I'm generating some xml files that needs to conform to an xsd file that was given to me. What's the best way to verify they conform?
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How do I reflect over the members of dynamic object?
...f properties and their values from an object declared with the dynamic keyword in .NET 4? It seems using reflection for this will not work.
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“is” operator behaves unexpectedly with integers
...und in the Python 2 documentation, "Plain Integer Objects" (It's the same for Python 3):
The current implementation keeps an
array of integer objects for all
integers between -5 and 256, when you
create an int in that range you
actually just get back a reference to
the existing object....
Differences between Perl and PHP [closed]
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Perl and PHP are more different than alike. Let's consider Perl 5, since Perl 6 is still under development. Some differences, grouped roughly by subject:
Perl has native regular expression support, including regexp literals. PHP uses Perl's ...
Updating packages in Emacs
I have the following setup for packages (not sure if there is a better recommended one):
4 Answers
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Do I need to close() both FileReader and BufferedReader?
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no.
BufferedReader.close()
closes the stream according to javadoc for BufferedReader and InputStreamReader
as well as
FileReader.close()
does.
share
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improve this ans...
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...But isn't calculating the diff between virtual DOMs actually even less performant since the virtual DOM, in most of the cases, should be bigger than model?
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...s to request data from bar.com, in the request it must specify the header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com .
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