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Java Generics: Cannot cast List to List? [duplicate]
...ne at compile time.
In the first case, imagine that the code did compile, and was followed by:
b1.add(new SomeOtherTree());
DataNode node = a1.get(0);
What would you expect to happen?
You can do this:
List<DataNode> a1 = new ArrayList<DataNode>();
List<? extends Tree> b1 = a1...
AngularJS: Injecting service into a HTTP interceptor (Circular dependency)
I'm trying to write a HTTP interceptor for my AngularJS app to handle authentication.
5 Answers
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Run certain code every n seconds [duplicate]
...at case you'd better set t = threading.Timer &c, then t.daemon = True, and only then t.start() right before the print "Hello, World!".
– Alex Martelli
Aug 3 '10 at 5:46
6
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Should I use an exception specifier in C++?
... x.x();
}
The copies might throw, the parameter passing might throw, and x() might throw some unknown exception.
Exception-specifications tend to prohibit extensibility.
virtual void open() throw( FileNotFound );
might evolve into
virtual void open() throw( FileNotFound, SocketNotReady, In...
mailto link multiple body lines
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Thanks, this worked well for me and seems much simpler than other solutions floating around on the internet.
– bryn
Feb 9 '13 at 9:02
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How do I get a list of all the duplicate items using pandas in python?
...of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one?
...
Python: Bind an Unbound Method?
...descriptors, so you can bind them by calling their __get__ method:
bound_handler = handler.__get__(self, MyWidget)
Here's R. Hettinger's excellent guide to descriptors.
As a self-contained example pulled from Keith's comment:
def bind(instance, func, as_name=None):
"""
Bind the functi...
What is JSONP, and why was it created?
I understand JSON, but not JSONP. Wikipedia's document on JSON is (was) the top search result for JSONP. It says this:
10...
Losing scope when using ng-include
...10 '12 at 15:49
Renan Tomal FernandesRenan Tomal Fernandes
10.9k44 gold badges4545 silver badges3030 bronze badges
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What's this =! operator? [duplicate]
...
That's two operators, = and !, not one. It might be an obfuscated way of writing
a = !b;
if (a) {
// whatever
}
setting a to the logical inverse of b, and testing whether the result is true (or, equivalently, whether b was false).
Or it migh...