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Java generics - why is “extends T” allowed but not “implements T”?
...lass 'implements' or 'extends'. The constraint possibilities are 'extends' and 'super' - that is, is this class to operate with assignable to that other one (extends), or is this class assignable from that one (super).
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Looking for a 'cmake clean' command to clear up CMake output
...nually going through directories removing files like cmake_install.cmake and CMakeCache.txt , and the CMakeFiles folders.
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'this' vs $scope in AngularJS controllers
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"How does this and $scope work in AngularJS controllers?"
Short answer:
this
When the controller constructor function is called, this is the controller.
When a function defined on a $scope object is called, this is the "scope in effec...
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...nce is that two classes may define different ways of doing the same thing, and the subclass can't choose which one to pick.
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Generate random numbers following a normal distribution in C/C++
How can I easily generate random numbers following a normal distribution in C or C++?
18 Answers
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Linux equivalent of the Mac OS X “open” command [closed]
I've found the "open" command in Mac OS X very handy in the command line. From "man open":
7 Answers
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Passing data between a fragment and its container activity
How can I pass data between a fragment and its container activity? Is there something similar to passing data between activities through intents?
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Scala: Abstract types vs generics
...s Type System
A Conversation with Martin Odersky, Part III
by Bill Venners and Frank Sommers (May 18, 2009)
Update (October2009): what follows below has actually been illustrated in this new article by Bill Venners:
Abstract Type Members versus Generic Type Parameters in Scala (see summary at the ...
How to send and retrieve parameters using $state.go toParams and $stateParams?
...ou must not use url when setting up your state. I found the answer on a PR and did some monkeying around to better understand.
$stateProvider.state('toState', {
templateUrl:'wokka.html',
controller:'stateController',
params: {
'referer': 'some default',
'param2': 'some default',
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How can I read inputs as numbers?
Why are x and y strings instead of ints in the below code?
10 Answers
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