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Avoiding an ambiguous match exception
... of parameters and same types of parameters. I'm thinking here of explicit cast operators overloads. For example public static explicit double(MyType obj) and public static explicit float(MyType obj). You will still have an AmbiguousMatchException. In this case, you could use returnType.GetMethods()...
Python - List of unique dictionaries
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@JorgeVidinha assuming each could be cast to str (or unicode), try this: {str(v['flight'])+':'+str(v['lon'])+','+str(v['lat']): v for v in stream}.values() This just creates a unique key based on your values. Like 'MH370:-21.474370,86.325589'
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How to check if Location Services are enabled?
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Excellent ! But even better, get rid of casting and directly pass LocationManager.class in getSystemService method because call requires API 23 ;-)
– Mackovich
Jun 6 '19 at 8:52
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How to print to console when using Qt
...move_reference<C>::type>::type& no_const(C* c) { return const_cast<typename std::remove_const<typename std::remove_reference<C>::type>::type&>(*c); } Use: no_const(this).method(). You could inject that function as a method into the class, and then you wouldn't even...
@selector() in Swift?
...unction has no parameters, the only way to disambiguate it is to use an as cast with the function's type signature (e.g. foo as () -> () vs foo(_:)).
There's a special syntax for property getter/setter pairs in Swift 3.0+. For example, given a var foo: Int, you can use #selector(getter: MyClass.f...
What is the difference between & vs @ and = in angularJS
...cope into the child directive. John Lindquist has a series of short screencasts explaining each of these. Screencast on @ is here: https://egghead.io/lessons/angularjs-isolate-scope-attribute-binding
& allows the directive's isolate scope to pass values into the parent scope for evaluation in...
Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...e advantage of this when generating foreach code. If the List<T> is cast to IEnumrable<T> before the foreach, the IEnumerable<T>.GetEnumerator() method will return a heap-allocated object, rendering the optimization impossible.
– supercat
May...
Multiple Inheritance in C#
... Is it possible to have multiple inheritance and while having upcasts and downcasts be identity-preserving? The solutions I know of for the problems of multiple inheritance revolve around having casts that are not identity-preserving (if myFoo is of type Foo, which inherits from Moo and ...
ASP.NET MVC Ajax Error handling
... Wouldn't a Status code of 500 be kind of wrong? To quote this chap broadcast.oreilly.com/2011/06/… : "Failing to realize that a 4xx error means I messed up and a 5xx means you messed up" - where I is the client and you is the server.
– Chris Nevill
Oct 7 '...
How do I read an entire file into a std::string in C++?
... @DevSolar Well, the more legible version is ~30% shorter, lacks a cast and is otherwise equivalent. My question therefore stands: "What's the point of making it a oneliner?"
– sehe
Sep 21 '12 at 15:00
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