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.

How to Connect to a Database with MySQL Workbench

We will discover how to integrate the Razorpay payment gateway with ASP.Net Core in this tutorial. Here, we go over Razor Pay and show you how to incorporate it into ASP.Net Core MVC. Please read through my earlier post, "Build CRUD REST APIs with EF Core." You can view the result of our integration of Razorpay with ASP.Net Core MVC at the conclusion of this post.

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

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

Hello guys, sometimes we need to put validations on textboxes to accept certain type of data. For that purpose , we have to apply validation to stop backSlash on keypress and also on copy/paste. So we will see how to apply Input validation on keypress and copy paste using javascript.

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.

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.

Hello guys sometimes while trying to run Your Asp.net core project you may face error HTTP Error 500.32 Failed to load ASP NET Core runtime . So we will see how to solve that.

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 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 need to implement type ahead functionality in our project. So for implementing type ahead with input boxes we will use Jquery Autocomplete. We will also see how to implement highlight text functionality in Jquery Autocomplete.

Hello guys, now a days we often need to implement api's in our Asp.net Core project and for testing api's we often use swagger. Swagger is a type of Api developer tools which helps developers in using and testing api's in a better way. We will see how to use Swagger in Existing Asp.Net Core MVC Project.

If statement will execute a block of code if the given condition is true. The if statement checks a Boolean expression and executes the code based on if the expression is true

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.

To check if a character is a vowel or a consonant in C, you can write a simple program that evaluates whether the character is one of the vowels (a, e, i, o, u) or not. Here's a basic example of how to do this:

CSS (Cascading Style Sheets) is a style sheet language used to describe the display of an HTML or XML document. It allows web developers to control the appearance and layout of multiple web pages at once. Here's a detailed overview of some fundamental CSS properties:

In the technologically driven era we live in, software engineering stands not just as a profession but as a dynamic and vibrant journey. This journey is filled with opportunities for continuous learning, growth, and professional advancement. For those who dare to delve into its intricacies and navigate its challenges, software engineering offers numerous routes to personal and professional development.

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 refund payment using Paypal in Asp.Net MVC. For this we will use paypal sale api.

An array is a sort of data structure in Java that allows you to store numerous values of the same type. It allows you to easily organise and manipulate data collections.

This tutorial demonstrates how to accept payments with Stripe Checkout in an ASP.NET Core 8.0 application built with C# . The application uses Checkout to accept credit cards from the end user and send tokens to a back-end API. The back-end controller uses the Stripe .NET library to create a charge. We are using latest version on Stripe.Net api in this. Check out complete steps to Integrate Stripe Payment Gateway In ASP.NET Core 8.0

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 need to implement Social Login in our web applications. Github login is also one of the social logins which is widely used now a days for authentication. We will see how to use that in Asp.Net MVC.

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

The String Buffer class in Java provides a modifiable sequence of characters. It is commonly used when you need to dynamically edit strings without continuously generating new objects.

In this article, we'll walk through the process of creating an ASP.NET MVC application that displays a list of employees using jQuery DataTables. This powerful plugin provides advanced interaction controls to any HTML table, making it a great choice for displaying data in a user-friendly manner.So we will see how to use jquery datatables in asp.net

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.

Hello guys, while creating webapp using vue js you might have needed toggle button for activating/ deactivating your data. So we will learn Implementing Toggle Switch in Vue js using vue-js-toggle-button in this article .

The Java Collections Framework's LinkedHashSet is an implementation of the Set interface. It combines the advantages of LinkedList and HashSet. The order in which the elements were added to the set is the iteration order that the LinkedHashSet preserves. It offers constant-time performance for fundamental operations and disallows duplicate elements, just like HashSet.

Here we will implement export to Excel functionally in an Angular application with the help of the ExcelJS library. This is an awesome library to convert JSON data into formatted and customized Excel files.

Database Backup .bak

Get random number in asp.net C#

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.

In C++, classes are the building blocks of object-oriented programming (OOP). They serve as blueprints or templates for creating objects. Classes define the structure and behavior of objects, encapsulating data (attributes) and functions (methods) that operate on that data.

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.

Converting commas or other delimiters to a Table or List in SQL Server

Hello guys we often need to implement charts in our web project. In this tutorial we will see how to implement pie chart in asp.net mvc using am charts library.

In this tutorial we will tell you how to create crud operations in Entity Framework

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:

Hello guys, we all would have used cookies in our Asp.Net Core web projects. If you have used httpcookies in Asp.Net core 2.1 project and you are trying to update your .Net core version to 3.1 . You will notice your HttpCookies are not working there. So, we will see how to fix HttpCookies Issue with Asp.Net Core 3.1.

Web Api in Asp.net MVC

Hello guys, we all need to secure our applications against unwanted user attacks, for saving privacy and maintaining application security. So for that purpose, we have to keep our passwords Encrypted in the Database. So, we will see how to Encrypt and Decrypt Passwords in Asp.Net.

Jquery Full Calender Integrated With ASP.NET

Encapsulation means that covering up of data under a single unit.

Hello guys , we often need to integrate sms functionality in our asp.net web application . For that purpose we often use different sms libraries. In this article we will see how to send sms using Twillio in Asp.Net.

In this tutorial we’ll use slick Slider in responsive mode, A Slick Slider is a popular jQuery plugin, to build an attractive responsive image gallery. So we will see how to configure slick slider for responsive screens.

Hello guys, sometimes we need to put validations on textboxes to accept certain type of data. For that purpose , we will see how to apply input validations using javascript. This will contain Numbers validation , Number And Decimal validation , Alphanumeric validation , Alphabet validation.

Model Validation In ASP.NET Core MVC 6.0

The java.lang.IllegalStateException with the message "The driver executable does not exist" typically occurs in the context of automated testing using web automation frameworks such as Selenium WebDriver.

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 8.0.

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

When the variable of one data type is changed to another data type is known as the Type Casting.

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 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.

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

Threading is an important aspect of programming that allows developers to perform multiple tasks at the same time. In C#, threading is an efficient way to run multiple pieces of code concurrently.

To generate an image using C#, you can utilize the System.Drawing namespace, which provides classes for working with images. Here's a simple example that demonstrates how to create a new image and save it to a file:

Hello guys in this article we will see how we can replace Special Accent characters with their respective alphabets automatically. So we will see how to do that.

This article will explain repository design pattern with ADO.Net in MVC from the database without using the entity framework. I am going to use ADO.Net for this article.

we will learn Microsoft Outlook Add Appointment and Get Appointment using Asp.Net MVC. There are two ways for that one is Microsoft.Interop library and second is Microsoft Exchange service. We will learn how to add and get appointments using Microsoft Exchange Service.

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.

This tutorial demonstrates how to accept payments with Stripe Checkout in an ASP.NET Core application built with C# and Web Forms. The application uses Checkout to accept credit cards from the end user and send tokens to a back-end API. The back-end controller uses the Stripe .NET library to create a charge. We are using latest version on Stripe.Net api in this. Check out complete steps to Implement Stripe Payment Gateway In ASP.NET Core

In a production environment, securing your Swagger UI is essential to prevent unauthorized access. You can use authentication middleware to protect the Swagger UI endpoint. Below is an example of how you can configure authentication for Swagger UI in an ASP.NET Core application.

In this article, we'll explore how to integrate Microsoft Azure Translator API into an ASP.NET MVC application to translate website text dynamically.

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.

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

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#.

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.

Image compression is a way of reducing the size of the images. compress your image in different formats PNG, JPEG, and GIF images. We will learn how to compress image using ImageCompress nuget package which you can download from nuget.

In C# if-else statement also tests the condition. It executes the if block if the condition is true otherwise else block, is executed. the else statement to specify a block of code to be executed if the condition is False. the if-else statement checks a Boolean expression and executes the code based on if the expression is true or false. The if part of the code executes when the value of the expression is true. The else part of the code is executed when the value of the expression is false.

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.

Collections means the process of which the objects are handled by your program.

Hello guys in this article we will see how you can create your own speech to text converter in javascript. So we will try to implement speech recognition and display speech in written format, similar like subtitles.

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.

Hello guys, in this article we will discuss a issue that we face when we use sfgrid in Blazor. So sometimes while using SfGrid when we want to refresh data source of grid with different schema it doesn't refresh properly. We will see how to fix the issue Changing sfgrid datasource does not work in Blazor.

By defining your own classes, you can produce user-defined data types in Java. These classes let you create unique data structures that encapsulate data and action. Here is how to make a Java user-defined data type:

Web Api in Asp.net MVC

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.