When to use static classes in C#
110761
Class with single method -- best approach?
157335
Static Functions in C++
39039
Why can't you use the keyword 'this' in a static method in .Net?
74926
On design patterns: When should I use the singleton?
5078
What does the 'static' keyword do in a class?
49517
Static methods in PHP: what for?
9078
Difference between static class and singleton pattern?
138136
Difference between static and shared libraries?
148873
Objective-C: Use singleton vs. use class as an object?
136954
static variable in the class declaration or definition?
4729
Can I add extension methods to an existing static class?
21739
When to use abstract classes?
30868
When and how are static data initialized in C++?
25366
Marking A Class Static in VB.NET
45776
Is the order of static class initialization in C# deterministic?
156911
When to use static member function?
40358
The static keyword and its various uses in C++