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Best data type for storing currency values in a MySQL database
...al(19,4) usually works pretty well in most cases. You can adjust the scale and precision to fit the needs of the numbers you need to store. Even in SQL Server, I tend not to use "money" as it's non-standard.
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Get JSF managed bean by name in any Servlet related class
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In a servlet based artifact, such as @WebServlet, @WebFilter and @WebListener, you can grab a "plain vanilla" JSF @ManagedBean @RequestScoped by:
Bean bean = (Bean) request.getAttribute("beanName");
and @ManagedBean @SessionScoped by:
Bean bean = (Bean) request.getSession().getAttribu...
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.
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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?
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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
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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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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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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...
Circular list iterator in Python
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(Loops forever, obviously)
In order to manually advance the iterator and pull values from it one by one, simply call next(pool):
>>> next(pool)
'a'
>>> next(pool)
'b'
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