Sorted:

problem about referer-Collection of common programming errors

problem about contextmanager-Collection of common programming errors

problem about relational-Collection of common programming errors

Reflection for objects declared in a type-Collection of common programming errors

problem about seccomp-Collection of common programming errors

problem about idynamicobject-Collection of common programming errors

problem about bean-validation-Collection of common programming errors

problem about rendertargetbitmap-Collection of common programming errors

problem about data-aware-Collection of common programming errors

Inheritance question – Baseclass = new Derivedclass-Collection of common programming errors