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C# question: What is a Weak Reference
In C#, what is a weak reference? Generally, when you talk about a reference to an object in .NET (and in most other garbage collected languages), you are talking about a "strong" reference. As long as that reference exists, the garbage collector won't collect the object behind that reference. A weak... 2009-09-04, 7885👍, 0💬

Class hierarchies (Inheritance and aggregation
What is difference between Association, Aggregation and Inheritance relationships? In object oriented world objects have relation and hierarchies in between them. There are basically three kind of relationship in Object Oriented world :- Association This is the simplest relationship between objects.... 2007-10-23, 7883👍, 0💬

What are shared (VB.NET)/Static(C#) variables
What are shared (VB.NET)/Static(C#) variables? Static/Shared classes are used when a class provides functionality which is not specific to any instance. In short if you want an object to be shared between multiple instances you will use a static/Shared class. Following are features of Static/Shared ... 2007-10-23, 7876👍, 0💬

Which is the best place to store ConnectionString in Dot Net Projects?
Which is the best place to store ConnectionString in Dot Net Projects? I am about to deploy my first ASP.NET project. But, I was used to store my variables, such as connection strings, in the global.asa file, in an application. However, these variables are different on my development and production ... 2009-03-18, 7859👍, 0💬

What is application domain? Explain.
What is application domain? Explain. An application domain is the CLR equivalent of an operation system's process. An application domain is used to isolate applications from one another. This is the same way an operating system process works. The separation is required so that applications do not af... 2009-03-06, 7822👍, 0💬

Can you explain the fundamentals of “GetGlobalResourceObject” and “GetLocalResourceObject” functions?
Can you explain the fundamentals of “GetGlobalResourceObject” and “GetLocalResourceObject” functions? These two functions belong to the HttpContext object. Using it you can get the object reference of the resource object. For instance you can see from the below code snippet we have got reference to... 2007-11-02, 7810👍, 0💬

What is the concept of strong names
How do we generate strong names ? or What is use the of SN.EXE ? or How do we apply strong names to assembly? or How do you sign an assembly? Strong name is similar to GUID(It is supposed to be unique in space and time) in COM components.Strong Name is only needed when we need to deploy assembly in ... 2007-10-22, 7787👍, 0💬

What is continuous and staged representation
What is continuous and staged representation? CMMI contains 25 key process areas which organization can follow to adapt CMMI. Causal Analysis and Resolution (CAR) Configuration Management (CM) Decision Analysis and Resolution (DAR) Integrated Project Management (IPM) Integrated Supplier Management (... 2007-10-30, 7772👍, 0💬

Did VB6 support multi-threading ?
.NET INTERVIEW QUESTIONS - Did VB6 support multi-threading ? While VB6 supports multiple single-threaded apartments, it does not support a freethreading model, which allows multiple threads to run against the same set of data. 2009-11-03, 7771👍, 0💬

Are risk constant through out the project
Are risk constant through out the project ? * Never say that risk is high through out the project. Risk is high at the start of projects, but by proper POC (Proof of concept) risk is brought in control.Good project managers always have proper risk mitigation plan at the start of project. As the proj... 2007-10-30, 7767👍, 0💬

Can two catch blocks be executed
Can two catch blocks be executed? No, once the proper catch section is executed the control goes finally to block. So there will not be any scenarios in which multiple catch blocks will be executed. 2007-10-23, 7765👍, 0💬

How can we implement singleton pattern in .NET
How can we implement singleton pattern in .NET? Singleton pattern mainly focuses on having one and only one instance of the object running. Example a windows directory service which has multiple entries but you can only have single instance of it through out the network. Note:- May of developers wou... 2007-10-24, 7754👍, 0💬

If client side validation is enabled in your Web page, does that mean server side code is not run
If client side validation is enabled in your Web page, does that mean server side code is not run? When client side validation is enabled server emit’s JavaScript code for the custom validators. But note that does not mean that server side checks on custom validators do not execute. It does this red... 2007-10-24, 7725👍, 0💬

What is shadowing
What is shadowing ? When two elements in a program have same name, one of them can hide and shadow the other one. So in such cases the element which shadowed the main element is referenced. Below is a sample code, there are two classes “ClsParent” and “ClsShadowedParent”. In “ClsParent” there is a... 2007-10-23, 7722👍, 0💬

What is V model in testing
What is V model in testing? V model map’s the type of test to the stage of development in a project. Unit Testing Starting from the bottom the first test level is "Unit Testing". It involves checking that each feature specified in the "Component Design" has been implemented in the component. In theo... 2007-10-30, 7720👍, 0💬

What is the significance of Finalize method in .NET
What is the significance of Finalize method in .NET? .NET Garbage collector does almost all clean up activity for your objects. But unmanaged resources (ex: - Windows API created objects, File, Database connection objects, COM objects etc) is outside the scope of .NET framework we have to explicitly... 2007-10-23, 7695👍, 0💬

What is COCOMO I, COCOMOII and COCOMOIII
What is COCOMO I, COCOMOII and COCOMOIII? In CD we have a complete free PDF tutorial of how to prepare software quotation. It has all the estimation technology that today’s software industry uses. 2007-10-30, 7687👍, 0💬

If we have multiple AFTER Triggers on table how can we define the sequence of the triggers
If we have multiple AFTER Triggers on table how can we define the sequence of the triggers ? If a table has multiple AFTER triggers, then you can specify which trigger should be executed first and which trigger should be executed last using the stored procedure sp_settriggerorder. All the other trig... 2007-10-25, 7685👍, 0💬

Is versioning applicable to private assemblies?
.NET INTERVIEW QUESTIONS - Is versioning applicable to private assemblies? Versioning concept is only applicable to global assembly cache (GAC) as private assembly lie in their individual folders. 2010-03-16, 7672👍, 0💬

What is your company’s productivity factor
What is the FP per day in your current company? 2007-10-30, 7666👍, 0💬

Describe in detail Basic of SAO architecture of Remoting
Describe in detail Basic of SAO architecture of Remoting? For these types of questions interviewer expects small and sweet answers. He is basically looking at what you know about the specific subject. For these type of question this book will provide detail code which is not necessary to be said dur... 2007-10-23, 7637👍, 0💬

Can we have static indexer in C#
Can we have static indexer in C# ? No. 2007-10-23, 7623👍, 0💬

Where do you specify session state mode in ASP.NET ?
.NET INTERVIEW QUESTIONS - Where do you specify session state mode in ASP.NET ? The following code explains about specifying session state mode in ASP.NET. &lt;sessionState mode=”SQLServer” stateConnectionString=”tcpip=1 92.168.1.1:42424"sqlConnectionString=”data source=192.168.1.1; Integrated ... 2009-06-16, 7569👍, 0💬

What is a measure in OLAP
What is a measure in OLAP ? Measures are the key performance indicator that you want to evaluate. To determine which of the numbers in the data might be measures. A rule of thumb is: If a number makes sense when it is aggregated, then it is a measure. 2007-10-25, 7569👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML