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is_null($x) vs $x === null in PHP [duplicate]
...('is_null', $array).
Personally, I use null === whenever I can, as it is more consistent with false === and true === checks.
If you want, you can check the code: is_identical_function (===) and php_is_type (is_null) do the same thing for the IS_NULL case.
The related isset() language construct...
Replace Line Breaks in a String C#
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How to use wait and notify in Java without IllegalMonitorStateException?
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How to locate a file in Solution Explorer in Visual Studio 2010?
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Reading a plain text file in Java
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Python Requests package: Handling xml response
...requests does not handle parsing XML responses, no. XML responses are much more complex in nature than JSON responses, how you'd serialize XML data into Python structures is not nearly as straightforward.
Python comes with built-in XML parsers. I recommend you use the ElementTree API:
import reque...
Is C++14 adding new keywords to C++?
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Is it necessary to explicitly remove event handlers in C#
... publisher.Foo += subscriber.FooHandler;
Console.WriteLine("No more refs to publisher, "
+ "but subscriber is alive");
GC.Collect();
GC.WaitForPendingFinalizers();
Console.WriteLine("End of Main method. Subscriber is about to "
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How do I programmatically change file permissions?
...xFilePermissions.fromString() will uses a conventional format that will be more readable to many developers. For APIs that accept a FileAttribute, you can wrap the set of permissions with with PosixFilePermissions.asFileAttribute().
Set<PosixFilePermission> ownerWritable = PosixFilePermission...