In this topic, you will learn how to implement a singleton - a business class that can have a single instance that cannot be removed. For instance, you can have a singleton object that describes an end-user's company details or general application settings. Approaches that can...
When it comes to Property Dependency Injection, the dependency object needs to be injected by the injector via a public property of the client class. Here in the code below, we will have a look at the example of the same which is written in C#: using System;namespace DependencyInjection{pu...
Singleton pattern ensures the creation of only one instance of a class in the JVM. Moreover, it enables a global point of access to the object. In our case, we haveConfigReader.java, which should be accessed globally. So it is better to make theConfigReader.javaclass as asingleton. How...
David Geary demonstrates how Java developers implement singletons, with code examples for multithreading, classloaders, and serialization using the Singleton pattern. He concludes with a look at implementing singleton registries in order to specify singletons at runtime. ...
How to implement a System Services? "What does Android system development do?" wrote that Android System Services is a modular component focusing on specific functions. The functions provided by the application framework API can communicate with system services to access the underlying hardware. How ...
How to implement a new Login & redirect from login page? How to Implement a Side Bar/ Side panel by using Raw HTML in ASP.NET MVC ? How to implement authentication with LDAP in MVC without loose Membership and Roles How to Implement authorization and session in MVC ? How to implement br...
byte variable, then Read is able to write to 4 bytes, the lack of a const in the prototype means that writing is possible even if the code itself doesn't write. This is two bytes of a, and two bytes in memory next to a that could belong to another variable, this is stack ...
High performance scalable web applications often use a distributed in-memory data cache in front of or in place of robust persistent storage for some
"The function evaluation requires all threads to run" while accessing music library through wmp.dll "The left-hand side of an assignment must be a variable, property or indexer". Help? "The remote server returned an error: (401) Unauthorized" "Ty...
You had to implement a custom IAsyncResult implementation for every operation: there was no built-in IAsyncResult implementation anyone could just use for their needs. You had to know prior to the Begin method being called what you wanted to do when it was complete. This makes it a ...