Why it's impossible to override `var` with `def` in Scala?
scala,immutability,lsp,mutability,uap
That's related to the Liskov Substitution Principle: you can't assign weaker access privileges in subclass (even for Java). Making var a def makes the setter def x_= (y: T ): Unit private (as @Staix said). So in case when Seadan Car has formal type Car it should not be accessed,...
What does “fields and methods are equivalent” mean?
Well it simply means that you can define an abstract val by a def and an abstract def by a val. For example trait Server { def port:Int } has an abstract function, namely port. You can for sure implement (or define or override) this with a def, like this...
Universal Windows Platform and SignalR (Could not load file or assembly 'System.Net, Version=2.0.5.0)
c#,signalr,win-universal-app,visual-studio-2015,uap
it's a bit crude, but I have found a fix/workaround. Basically you have to make sure you use the assembly from the WinRT project in stead of the two that NuGet attaches. See http://dotnetbyexample.blogspot.nl/2015/05/getting-signalr-clients-to-work-on.html for details