If I declare a base class (or interface class) and specify a default value for one or more of its parameters, do the derived classes have to specify the same defaults and if not, which defaults will manifest in the derived classes? ...

What is the difference between a var and val definition in Scala and why does the language need both? Why would you choose a val over a var and vice versa? ...

I am unable to edit any files in a project in Visual Studio 2013. It only happens in one project. If I open a different project I am able to type fine, but once I go back into the problem project I am unable to type in the editor windows. Not sure if it matters but the project that is giving me i...

What are the advantages of using NoSQL databases? I've read a lot about them lately, but I'm still unsure why I would want to implement one, and under what circumstances I would want to use one. ...

Is there a way to convert a character to an integer in C? 15 Answers 15 ...

I have two select elements, A and B: when A's selected option changes, B's options must be updated accordingly. Each element in A implies many elements in B, it's a one-to-many relationship (A contains nations, B should contain cities located in the given nation). ...

There are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization. ...

Are there any timing functions in JavaScript with microsecond resolution? 4 Answers 4 ...

I have an application with 4 threads working the same code. However, when I step it jumps between the different threads. How can I lock it to one thread so the other threads are ignored for debugging? ...

The Go language creators write : 21 Answers 21 ...