HashMap is a component of the Java Collections Framework that implements the Map interface. It offers a key-value pair data structure in which elements are stored as a combination of keys and their corresponding values. HashMap does not support duplicate keys, but it does support mapping multiple values to the same key. It provides constant-time performance for simple operations like as element addition, removal, and retrieval.

In C, an array is a collection of elements of the same data type, stored in contiguous memory locations. An index is used to access the elements of an array.

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

Hello guys, in this article we will see how to fix CWE-23 Path Traversal vulnerability Unsanitized input from an HTTP parameter flows into global::System.IO.Directory.CreateDirectory, where it is used as a path. This may result in a Path Traversal vulnerability and allow an attacker to create arbitrary directories when we scan our code with snyk.

Hello guys in this article we will discuss about features of .net core 7 which we can see in the upcoming release of .net core

Hello guys, we often need to show countdown timer in js . We will see how we can create countdown time in javascript.

Hello guys in this tutorial , we will learn the first step of using sql server. We will see how we can create database and perform crud operation using sql queries.

In the static method, there is no need for objects. but In non-static method there is requirement of Object.

Hello guys , while working with Angular js we sometimes gets caught in situtation where we have to apply css on child components.It's not possible by adding css normally in parent compponent due to the scope of component css. So we will learn how to apply css on child components in Angular js.

Hello guys sometimes we often need to convert base64 to tiff data and we have to verify if the base64 is correct for tiff image. So we will see how to Verify If base 64 string is valid for tiff image in C#.

Hello guys we often need to implement social logins in our web applications. And Linkedin Login has become one of the popular social login that is getting used widely now a days. So we will see how to integrate Linkedin Sign In using LinkedinLogin Nuget package in Asp-Net MVC.

Java Type Casting

Hello guys, in this article we will see how to create new branch and merge old branches into new branches on github. While working with many people on same projects we have to create different branches to manage code. We will see how to do that.

PayU or PayuMoney is the fastest growing Payment Gateway in India that supports all major banks and credit/debit card for payment settlement. PayUMoney provides support to enterprise user on behalf of PayUbiz Payment Gateway. As PayuBiz support more number of service then Payumoney.

To obtain the IP address of a device using C#, you can use the Dns class from the System.Net namespace. Here's an example of how you can retrieve the IP address:

The underlying connection was closed: An unexpected error occurred on a send.

Hello guys, we often want to integrate payment gateways in our Asp.Net applications. Some of the most popular payment gateways are payumoney,paypal,stripe and razorpay. We have already covered payumoney and stripe in our blogs. In this article we will see paypal integration in Asp.Net MVC.

Creating a NuGet package from a .NET Framework Class Library involves creating the DLL in Visual Studio on Windows, then using the nuget.exe command-line tool to create and publish the package.

First C# Program

In this article we will see how to highlight code segments in in your website with js. We will be using Prism js syntax highlighter for this. Prism is a lightweight, extensible syntax highlighter, built with modern web standards in mind. It’s used in millions of websites, including some of those you visit daily.

In this article we will see how to create slick slider with single slide. Slick slider is used for creating image carousal.

we will learn Microsoft Outlook Add Contacts and Get Contacts service. We will learn how to add and get Contacts using Microsoft Exchange Service.

Hello guys, in today's world we all want to integrate Social Logins like Google, Linkedin and Microsoft login into our applications. So we will see how to Integrate Linkedin Login in Asp.net MVC. We will you Linkedin Authentication in simple steps.

Hello guys in this video we will see how we can get visitors location information like country and city using simple javascript code. We will see how to do that.

We use FindElements here to return a collection of anchor tags.

The org.openqa.selenium.SessionNotCreatedException is an exception that can occur when working with Selenium, a popular automation testing framework used for web application testing. This exception typically indicates that a new session (browser instance) could not be created due to various reasons.

Hello guys, sometimes we need to allow users to type only decimals in the textboxes. For that purpose , we will see how to apply decimal validation in javascript

Creating an HTML registration form entails the use of numerous form elements, such as text inputs, radio buttons, checkboxes, and buttons. Here's a simple HTML registration form example:

Database Backup .bak

Hangfire is an open-source library to schedule and execute background jobs in .NET applications. You'll be able to create a simple background process inside the same application pool or thread without creating separate applications. Hangfire creates background jobs in persistence storage, like MS SQL Server, Redis, MongoDB, and others, that may prevent you from losing the job on recycling IIS pools or exception prevalence.

In Method Overloading we have two or more than two methods those have the same name but different parameters.

Hello guys in this article we will see how to implement JWT Token Authenticate with Validate Token and Refresh Token automatically . We will create one action filter attribute that will automatically validate all the request and if the token is expired it will refresh the token again.

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.

In this article, we'll dive into integrating PayPal subscriptions into an ASP.NET Core application. PayPal offers a robust API that allows developers to create and manage subscription plans seamlessly. We'll walk through a sample code snippet that demonstrates how to create a subscription plan, add a product, and initiate a subscription for a user.

They are identify after method name and in the bracket.The information can be given to method as a parameter

Hello guys , often we need to apply masking on phone, email or many more field to accept data in certain format. So in this article we will see how to apply input mask in jquery.

In Java, the LinkedList class implements the List interface and provides a doubly-linked list data structure. It provides a versatile means of storing and manipulating a collection of items. A LinkedList, unlike an ArrayList, uses references to connect components rather than contiguous memory allocation.

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.

Hello guys, often while working with angular js you sometimes have requirement of implementing chat functionality where user can press @ and select users from the list , similar to what we do on skype or all big chatting platforms. For that purpose we can use Angular-mentions which is a package in Angular js for skype like @ chat functionality. We will see how to use that in detail.

In this tutorial, I will explain how we can use the Web APIs in the Angular application using HttpClient. Before we start the step-by-step process

In HTML, you can define classes using Cascading Style Sheets (CSS) to apply specific styling to multiple HTML elements. Here's how you can define classes in CSS within an HTML document:

Java includes a number of data structures for storing and manipulating collections of objects. The 'LinkedHashMap' class, which is an extension of the 'HashMap' class, is one of the important classes in the Java Collections Framework. LinkedHashMap, unlike HashMap, preserves the order of its items depending on the insertion order, making it helpful in cases where the order of components must be maintained based on their arrival time.

Creating and displaying SSRS Report in ASP.NET MVC

Hello guys, while creating asp.net core application we often need to implement export of data and for this purpose we sometimes need to export views to pdf file. So, We will see how to export view as pdf in Asp.Net Core MVC in simple steps using itextsharp library which is free.

Office 365: Migrating and Managing Your Business in the Cloud

Hello guys , we often need to integrate voice calling functionality in our asp.net web application. For that purpose, we often use different voice call libraries. This article will show how to make voice call using Twillio in Asp.Net MVC.

Hello guys , now a days working with versioning tools has been important while working with projects as that helps in keeping your project safe against missing codes and changes. So we will be learning how to add your project to github and how to use github in your project.

Hello guys in this article we will learn about basics of ChatGpt and how chatgpt can help people with lots of things.

Hello guys, sometimes while working with big databases in sql server we often need to find all procedures where we have used a certain table.So we will see how to do that.

Hello guys, now a days we often have to use web api's in our Asp.Net core projects. In this article we will see how to create web api in asp.net core. We will create HttpGet,HttpPut,HttpPost and HttpDelete api's and see how to test them.

A NumberFormatException is produced in Java when you try to convert a string to a numeric type (such as int, double, float, etc.) but the string's format is incompatible with the required format for that numeric type. This is common when using parsing techniques such as Integer.parseInt(), Double.parseDouble(), or Float.parseFloat().

Hello guys, sometimes we have to integrate google Login in our .Net applications. It can be hard sometimes to integrate that. So we will see how to integrate that using GoogleAuthentication Nuget package , which makes it easier to use and integrate.

In this article, we suggest you to get acquainted with the free editor of web languages - CodeLobster IDE. It is presented on the software market for a long time already, and it wins a lot of fans.

Method is a series of statements that together perform a task.

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.

Hello guys, sometime we need to shuffle our list or array randomly without being in a certain order. So , in this article we will learn how to shuffle a list randomly in c#.

In this tutorial, you will learn how to create an Screen Recording with Audio using JavaScript MediaRecorder API

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.

Innovation has become essential in today's digital-first economy. Artificial intelligence (AI) is being used more and more by businesses trying to stay competitive in order to boost productivity, improve customer satisfaction, and open up new growth prospects. However, realising AI's full potential necessitates more than experimenting with technology; it calls for the proper plan and skilful implementation. AI development services can help with that.

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

Hello guys, in this article we will create script for creating database backups from sql database server. We will use powershell script batch file for this purpose.

Abstraction is used to hide some information and show essential information to user.

When you need to manage strings efficiently in Java, you should utilise the StringBuilder class. Unlike the immutable String class, the StringBuilder class allows you to change the contents of a string without creating a new object each time.

Hello guys sometimes while working with MySQL database you can have error Unable to connect to any of the specified MySQL hosts . So we will see how to solve this error.

Hello, readers, and welcome to Code2Night! In this blog post, we will focus on the latter and explore how to implement JWT Token Authentication in ASP.NET Core 7.0 Web api and .net core 7 web application. So we will see how we will generate jwt token and how we will verify the token using authorize attribute.

Hello guys while using the Ole Db for Importing Excel sometimes we can face an error saying "The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine.". This error basically will not let you import excel. So we will see how to solve this error in this aticle.

Hello guys we often get CWE-91: XML Injection error when we scan our asp.net project using any security tools. So in this article we will see How to fix Xml Injection vulnerability in asp.net (CWE-91).

Zoom API integration in ASP.NET empowers developers to seamlessly incorporate Zoom's powerful video conferencing capabilities into their ASP.NET applications.In this article we will see creating zoom meeting in asp.net mvc using zoom api step by step.

To pass a reference of arguments to the function the ref keyword is used in C#.

In Java, the ArrayList class implements the List interface as a resizable array. It offers dynamic arrays that can expand or contract in size as needed. ArrayLists are a component of the Java Collections Framework and provide a variety of methods for modifying the elements contained in them.

Hello everyone, in today's digital landscape, integrating Google authentication login using Google API has become increasingly essential. In this article, we will delve into the process of seamlessly integrating Google SignIn into Asp.Net Core 8.0, the latest framework in the .NET Core ecosystem. Let's explore how to streamline user authentication and elevate the security standards of your web applications by Integrating Google SignIn in Asp.Net Core 8.0.

n JavaScript, flat() and flatMap() are array methods introduced in ECMAScript 2019 (ES10) that allow you to work with nested arrays in a concise manner. Let's explore each method:

This tutorial demonstrates how to accept payments with RazorPay Checkout in an ASP.NET MVC application built with C# . The application uses Checkout to accept payments from card and upi and demonstrates step by step tutorial.

The Extender Provider failed to return an Extender for this object

In this article we will learn how you can get outlook email in asp.net. We will use microsoft exchange services for getting or retrieving the email data from outlook account.

Hello guys, we often need to export data from database into excel files in ASp.Net mvc using ClosedXML Xlworkbook. XlWorkbook is a third party library that helps in exporting excel file from datatable or dataset easily amd allows many formatting options that helps in better presenting data in excel.

C# provides the while loop to repeatedly execute a block of code as long as the specified condition returns false. The while loop starts with the while keyword, and it must include a boolean conditional expression inside brackets that returns either true or false. It executes the code block until the specified conditional expression returns false. The condition is given in the beginning of the loop and all statements are executed till the given boolean condition satisfies when the condition becomes false, the control will be out from the while loop else It executes the code block until the specified conditional expression returns false.

Dependency Injection Using Ninject In ASP.NET MVC

In this article, we'll walk you through the process of using iTextSharp to create PDF documents within an ASP.NET MVC project. We'll dissect the code you've provided and explain each step to ensure you have a comprehensive understanding of the implementation. So follow the steps for learning How to generate pdf using itextsharp in asp.net mvc.

Hello guys, sometimes we need to import data from excel file in asp.net . So we will use ExcelDataReader for that. You can check the steps on using that with asp.net project.