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Method Overriding in Java

Overriding methods is a key idea in Java object-oriented programming. It enables a subclass to provide a particular implementation of a method defined in the superclass. When you override a method, you replace the superclass's inherited implementation with your own version in the subclass. This allows for polymorphism and dynamic method dispatch.

External CSS in HTML

In HTML, you can use external CSS (Cascading Style Sheets) to separate the style from the HTML content. This is achieved by creating a separate CSS file and linking it to your HTML document. Here are the steps to use external CSS in HTML:

Chapter-4 (Operators in C)

In the C programming language, operators are special symbols or keywords that perform operations on operands. Operands are the values or variables that operators act upon

Image Compression in Asp.net MVC

Hello guys , now a days we often provide users the ability to upload images in our web projects. But we have to sometimes utilize the memory for big size images as they can easily full up the memory of server. So for that we can use image compression while uploading image. In this article we will see how to perform Image Compression in Asp.net MVC.

How to implement Authorize.Net Payment gateway in asp.net mvc

Hello guys, we often want to integrate payment gateways in our Asp.Net applications. Some of the most popular payment gateways are Authorize net, payumoney,paypal,stripe and razorpay. We have already covered payumoney and stripe in our blogs. In this article we will see How to implement Authorize.Net Payment gateway in asp.net mvc.

App Trim in .NET Core

In ASP.NET Core, App Trim refers to a feature that automatically removes unused assemblies from the application's memory during runtime. This helps to reduce the memory footprint of the application and improve its overall performance.

Exception Handling Asp.Net Core

Error Handling in Asp.Net Core has changed a bit from what we used to use in Asp.Net Mvc. Before .Net Core We used to use OnException Methods to handle Exceptions while executing actions But it doesn't' see working in .Net Core as many features are changed.So In this Article we will see how to make exception handling work in Asp.Net Core.

NullPointerException in Java

A NullPointerException is a runtime exception in Java that happens when you attempt to perform an operation on a null object reference. In other words, you're attempting to access a member (such as a method or field) of an object that hasn't yet been initialized, which results in a null reference.

The report definition is not valid or is not supported by this version of reporting

Hello guys in this article we will see how to solve an exception when you try to use old rdlc report and make changes into that . You will see you will get an exception ReportProcessingException: The report definition is not valid. Details: The report definition has an invalid target namespace 'http://schemas.microsoft.com/sqlserver/reporting/2016/01/reportdefinition' which cannot be upgraded. We will see how to solve that.

lists in HTML

Lists in HTML are essential for structuring information, creating navigation menus, and organizing content in a readable and accessible manner on web pages.

Introduction of HTML

HTML (Hypertext Markup Language) is defined as the standard markup language for creating and structuring web pages. It forms the backbone of the World Wide Web and is essential for creating and rendering web content in web browsers. HTML is not a programming language; rather, it is a markup language used to define the structure and content of web documents.

Functions In C++

Because there are no library functions with predetermined definitions, a user-defined function is one that is written by the user when writing any application. To fulfill the user's individual needs, the user must create his or her own functions. Such functions must be appropriately defined by the user. There is no such necessity to include any specific library in the program.

Attribute of table in HTML

In HTML, the table tag is used to create tables to display data in a structured grid format. The table tag can contain several attributes that help in defining and customizing the behavior and appearance of the table.

String Joiner

The String Joiner class in Java makes it easy to connect several strings with a defined delimiter. It is very useful for concatenating strings in a loop or dealing with string collections.

Parameterised constructor in java

A parameterized constructor in Java is a constructor that accepts one or more parameters when creating a class object. These parameters are used to set the values of the object's instance variables.

Upcast and Downcast in Java

Type conversions between classes in an inheritance hierarchy are referred to as "upcasting" and "downcasting" in Java. When working with polymorphism and inheritance, these conversions are frequently required. Let's look at both ideas:

Tables In HTML

Creating tables in HTML is a way to display tabular data in a structured format. HTML provides several elements for building tables, including the,,, and elements.

Chapter 3 CSS (Define ID in CSS)

In HTML and CSS, an ID (identifier) is a unique attribute used to identify an individual element on a webpage. Each ID must be unique within the document, distinguishing one element from all others.

java.lang.IndexOutOfBoundsException

The java.lang.IndexOutOfBoundsException is an exception class in Java that is thrown when an index used to access an array, list, or other collection is either negative or greater than or equal to the size of the collection. This usually indicates an attempt to access an element at an invalid index that does not exist in the collection.

ConfigurationBuilder does not contain a definition for SetBasePath

In this article we will see how to solve issue 'ConfigurationBuilder' does not contain a definition for 'SetBasePath' and no extension method 'SetBasePath' accepting a first argument of type 'ConfigurationBuilder' could be found (are you missing a using directive or an assembly reference? in .Net Core 3. We will see how to ready json files in .Net core 3.

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