1. How to restrict a class from allowing to create only one object. I.e., one should be allowed to create only one object of the class type.1 5929
2. I've a class Parent Class A and a Derived Class B. Here is a scenario. I've an instance of Class A as objA and an instance of Class B as objB. I can refer a child class variable as objB=objA, but cannot do objA=objB what is the reason?2 3313
It was told that .Net 2.0 Framework has got it's in built webserver. Does it mean that it doesn't need IIS? What is the significance of Front Page Server Extensions in creating or hosting a Web Application in .net?1 2459
What is the difference between a web custom control,web user control and a web part.1 5451
How to define numeric 9(3) in db2 table without decimal point??
What is soft handover/handoff?
how to create duplicate link list using C???
What is the use of master page? Can you tell me , I want to put the Drop-down control in master page, and this dropdown control should populate the data from database?
What is java developer job description?
Do you know what is linen fiber?
you want to link to a layout set. What abap 4 commands will you use?
Who developed html5?
Can we pass a primitive type by reference in java? How
What is the namespace in python?
What are Workflow patterns?
What are some advantages of selenium grid?
What is goodwill? How does it affect net income?
What is Record-at-a-time?
Any idea to improve banking services?