Various types of WCF bindings

Choosing an Appropriate WCF binding Basic binding This binding is provided by the BasicHttpBinding class. It is designed to expose a WCF service as an ASMX web service, so that old clients (which are still using ASMX web service) can consume new service. By default, it uses Http protocol for...

Continue Reading →

Message Exchange Patterns (MEPs) - WCF

Windows Communication Foundation supports the following Message Exchange Patterns (MEPs): Request/Response One Way Duplex Request/ResponseIt’s the default pattern. In this pattern, a response message will always be generated to consumer when the operation is called, even with the void return type....

Continue Reading →

Method Overloading in WCF

Method overloading is the process of implementing Polymorphism in Object-Oriented Programming. A method can be overloaded on the basis of type of parameters, number of parameters, and an order of parameters. As we know, WCF code is always coded on OOP's based programming language so that it does support method overloading. Service Interface [ServiceContract] public interface ITest { [OperationContract] ...

Continue Reading →

Abstract Class level Interview Questions - C#

Can an abstract class have a constructor? If so what is the use? Yes, an abstract class can have a constructor. In general, a class constructor is used to initialize fields. Along the same lines, an abstract class constructor is used to initialise fields of the abstract class. You would provide a constructor for an abstract class if you want to initialise certain fields of the abstract class before...

Continue Reading →

lock Statement- C#

The lock keyword marks a statement block as a critical section by obtaining the mutual-exclusion lock for a given object, executing a statement, and then releasing the lock. The following example includes a lock statement. class Account  {      decimal balance;      private Object thisLock = new Object();      public void Withdraw(decimal amount)      {          lock (thisLock)          {              if (amount > balance)              {                  throw new Exception("Insufficient funds");              }              balance -= amount;          }      }  }   Remarks The lock keyword...

Continue Reading →

$Broadcast(), $Emit() And $On() In AngularJS

AngularJS applications may need to communicate across the controllers. Such a communication might be needed to send notifications or to pass data between the controllers. Although there can be different approaches to achieve this goal, one that is readily available is the event system of $scope and...

Continue Reading →

Select and SelectMany in LINQ

Select and SelectMany are projection operators. Select operator is used to select value from a collection and SelectMany operator is used to select values from a collection of collection i.e. nested collection. Example:  class Employee { public string Name { get; set; } public List<string> Skills { get; set; } } class Program { static void Main(string[] args) { List<Employee>...

Continue Reading →

Scopes in AngularJS Custom Directives

In this post we will learn about different kinds of scopes in AngularJS custom directives. First we’ll start with a high level introduction of directives and then focus on scopes. Directives Directives are one of the most important components of AngularJS 1.X, and have the following purposes: 1.       Gives special meaning to the existing element 2.       Creates a...

Continue Reading →

New Features in ASP.NET Web API 2

ASP.NET Web API 2 has been released with a number of new exciting features. 1. Attribute Routing Along with convention-based routing, Web API 2 now supports attribute routing as well. In case of convention-based routing, we can define multiple route templates. When a request comes, it will be matched against already defined route templates, and forwarded to specific controller action according...

Continue Reading →