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 6545
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 3940
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 3013
What is the difference between a web custom control,web user control and a web part.1 5949
Tell me how many btu per hour equals 1 ton of air conditioning?
What do you understand by maven software?
please send aptitude test papers for reference with answers
Explain about GUID?
What is the use of string function asorti(string,[d])?
Does php have block scope?
How do I know which version of windows?
What is floating point constants?
how will we calculate the heat of formation through electron...??
Why is external hard drive not showing up?
How to do eager loading in hibernate?
Can beneficiary claim the policy if the insured person is missing or disappeared for several years?
i having three wire RTD but i want analog input signal 4 to 20ma to Allen Bradly plc.so how to connect this one.pls clarifie me.
Which operator is used to perform the comparison among 2 operands in the vbscript language?
What are the classes, Tables, Forms and Methods used to post the sales orders?