This is a problem about historical data handling. Suppose you have a class MyClass like the following one:
In this thread I found so开发者_StackOverflow社区me interesting moment, If class uses only as superclass there isn\'t rule to make it abstract. Why so?
Possible duplicate: why-is-java-lang-throwable-a-class Hi! I doesn\'t understand why Throwable isn\'t abstract class. I see only one use case for these: in logging systems for figure out call hierarc
How do I get the $str variable (below) into my class/classes?The function is used to call each class dynamically rather tan have \"lots\" of if(class_exists) statements.
Please have a look at the two simplified examples of designing a class aggregation below. Solution 1 Header
I have the following classes class GridBase { public object DataSource { get; set; } } class GenericGrid<T> : GridBase
I have a class that contains values: @interface Params : NSObject { [...] NSString *fc; NSString *sp; NSString *x;
i am trying to build a system that logs, media (photo, video, audio) upload statistic. so i come up with 3 tables, 1 for audio, 1 for video, and 1 for photo. and here\'s the structure
For reasons I would rather not discuss, I need to create a custom authentication system for my app.I was just reviewing the system and am having some doubts if my solution is thread safe.My goal was t
In most or all object oriented games, each class relies on not just its own but 开发者_StackOverflow中文版parent classes. How is this class connection implemented in C++? Do you just add a pointer for