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How do I remove duplicate items from an array in Perl?

... Miller 33.9k44 gold badges3232 silver badges5555 bronze badges answered Aug 11 '08 at 10:16 Greg HewgillGreg Hewgill ...
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Scala @ operator

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Getting the last element of a list

...ist[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way down to some_list[-len(some_list)], which gives you the first element. You can also set list elements in this way. For instance: >>> some_list = [1, 2, 3] >>> some_list[-1] = 5 # Set the last e...
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How do you iterate through every file/directory recursively in standard C++?

... If using the Win32 API you can use the FindFirstFile and FindNextFile functions. http://msdn.microsoft.com/en-us/library/aa365200(VS.85).aspx For recursive traversal of directories you must inspect each WIN32_FIND_DATA.dwFileAttributes to ...
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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR

...as such – Benjamin Nov 24 '14 at 10:32 add a comment  |  ...
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How to set JAVA_HOME in Linux for all users

... For all users, I would recommend placing the following line in /etc/profile export JAVA_HOME=$(readlink -f /usr/bin/javac | sed "s:/bin/javac::") This will update dynamically and works well with the alternatives system. Do not...
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What is the purpose of a question mark after a type (for example: int? myVariable)?

Typically the main use of the question mark is for the conditional, x ? "yes" : "no" . 8 Answers ...
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JavaScript global event mechanism

... error handling facility in JavaScript? The use case is catching function calls from flash that are not defined. 10 Answers...
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What is a monad?

...ld be a brief, succinct, practical explanation as to what a monad essentially is? 46 Answers ...
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What is the difference between self-types and trait subclasses?

...is extended, then you're required to mix-in an A. When a concrete class finally extends/mixes-in these traits, some class/trait must implement A. Consider the following examples: scala> trait User { def name: String } defined trait User scala> trait Tweeter { | user: User => ...