TreeSet is a Java Collections Framework class that implements the SortedSet interface. It returns a set that is sorted in natural order or by a provided comparator. TreeSet, unlike HashSet, does not allow duplicate elements and delivers fast performance for simple operations like adding, removing, and searching for elements.

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

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

You can design forms in HTML that let users enter data and send it to a server for processing. You can create forms using a variety of form elements and HTML tags. Here's a simple illustration of how to make a straightforward form in HTML:

Polymorphism means many forms. This allows us to perform a single action in different ways.

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.

Small businesses often struggle to provide prompt responses to customer inquiries and concerns, which can lead to a negative customer experience and potential losing valuable customers. To improve customer service, businesses can consider hiring a support team for call and email responses or implementing chat support services on their website.

How to use Azure Blob Storage in an ASP.NET Core Web API to list, upload, download, and delete files

The anchor (<a>) and image (<img>) tags are two fundamental HTML elements used to create links and embed images in web pages.

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

The GROUP_CONCAT() function was built specifically for the purpose of concatenating a query’s result set into a list separated by either a comma or a delimiter of your choice.

Hello guys, now a days world is fastely moving forward for AI. And for that python is getting used a lot. In this article we will see how we can implement realtime face detection on web cam in python using OpenCV library.

Hello guys , sometimes we often need to download files as zip file in Asp.Net MVC. We will use ZipArchive to download files as zip. We will see the steps in the article.

An ArrayIndexOutOfBoundsException is a runtime exception in Java that happens when you attempt to access an array element with an index that is outside the array's valid range of indices. In other words, you're attempting to access an element in the array at an index that doesn't exist.

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.

Hello guys while working with Asp.Net Core we often need to read values from appsettings.json file. In today’s article, we will see how to read values from appsettings.json in ASP.NET Core.

Office 365: Migrating and Managing Your Business in the Cloud

After installing or updating the system or uploading your web app on IIS, you may receive the error HTTP Error 502.5 - ANCM Out-Of-Process Startup Failure upon accessing the website. So we will see how to solve that error.

Hello guys, in this article we will learn how to reload vue js child component. Sometime we need to reset child components or just re-render them. There few ways to reset child components but for beginner and those who have just started with vue js it can become a tough task to understand the flow to reset child components. So we will see how to reload child component.

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.

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.

Hello guys, sometimes while working with sql server, we sometimes face the need of working with json data . For that purpose we have to be able to read json data in sql which is quite a difficult task, so we will see how to read json in sql server in simple steps.

In C++, input and output operations are commonly performed using the Standard Input/Output Library, which includes the <iostream> header. This library provides the 'cin' and 'cout' objects for reading input and displaying output, respectively.

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 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.

Publish Website using FTP in Visual Studio If we use FTP (File Transfer Protocol) to publish web applications, we need to enter all credentials provided by the FTP hosting company, and application files will upload directly to our FTP hosting space.

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

How to upload files to Azure Blob Storage in an ASP.NET Core Web

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:

Inheritance is a fundamental concept in object-oriented programming, and it allows you to create new classes (derived or subclass) that inherit properties and behaviors from existing classes (base or superclass). In C++, inheritance is a key feature, and it enables you to establish a hierarchy of classes.

In this article we will focus on implementing Globalization and localization in ASP.NET Core With Resource Files . We will be trying to implement culture in Asp.Net core 3.1.So if your are struggling in using you Asp.Net Resource Files in .net core have a look at the article in detail.

A default constructor in Java is one that is provided by the Java compiler if no other constructors are explicitly defined in a class. The default constructor takes no arguments and is in charge of setting the object's fields to default values.

Shuffling an array means we want to randomly rearranging the list or an array.

Hello guys in this tutorial we will see how we can fix error too many redirects while using cloudflare for our website. We will see how to fix that.

In C, input and output functions are used to interact with the user and the external world. These functions allow you to read data from the user or files and write data to the screen or files. The standard library provides several functions for input and output

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.

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.

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.

To find the biggest number in a 1D array in C, you can iterate through the array and keep track of the maximum value encountered.

Setting up database on plesk server

In this tutorial, we'll explore how to integrate the ChatGPT API into an ASP.NET MVC application. The ChatGPT API, provided by OpenAI, allows developers to interact with the powerful language model for various applications like chatbots, content generation, and more.

Multiple rows to one comma separated value in Sql Server

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.

This article will discuss key factors when choosing a Mohali mobile app development training program. It will also highlight what makes tecHangouts unique from the competition.

Destructor is opposite of constructor.It is used to destructs automatically the instance of the constructor class.it is defined one time in the class.

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.

Hello guys , sometimes while working with Asp.Net web application. We often found that web site is loaded in http:// and then we have to manually changes the url to https:// to make it work. So for avoiding manual workk, we will see how to auto redirect from HTTP to HTTPS In Asp.Net using Web Config

Hello guys, now a days we often need to add QR Code Generator in our websites to store some information in QR Code for implementing that we will use Jquery QR Code js library with Asp.Net MVC. Jquery QR Code Generator is a free jquery library which can be used across different programming languages.

So, nowadays it is really important while developing applications that users don't have to waste a lot of time trying to register or go inside your web application. So, keeping in mind the need of today's world we have few Social Login available that are getting used mostly. These include Google Login, Linkedin, and Microsoft. In this article we will see How to Integrate Linkedin Login With Open Id Connect in Asp.Net MVC.

you can import any package by this way; here I show you how to import java.util.list package

Hello guys, We often found ourself in the need of a realtime chat app . For two way communication in your webapp. We will see how to implement real time chat using SignalR with .Net core and Vue.js. SignalR is basically used for any sort of realtime functionalities. We will use .Net core for managing chathub . You can see complete steps in the article.

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).

What is C?

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 unconditional statement in C is one that is executed without regard for whether a certain condition is true or false. Unconditional statements are processed sequentially, one after the other, and do not rely on any conditional logic.

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.

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

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.

Let’s explore how ServiceNow, particularly its IT Operations Management (ITOM) capabilities, drives efficiency, enhances productivity, and transforms the way businesses operate.

Hello guys, we often need to implement user authentication and validate user authentication for all actions. We will see how we can create custom filter attribute and use that for user authentication.

In Java, access modifiers are keywords that control the visibility and accessibility of classes, fields, methods, and other members within a class or package.

This article will guide you through creating an XML document from scratch, adding nodes, child nodes, and attributes. We will learn How to Create XML Documents in ASP.NET.

The Extender Provider failed to return an Extender for this object

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.

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.

First C# Program

Hello guys in this tutorial we will see how you can select same row after rebinding or repopulating devexpress gridview.

when we write Javac on cmd(Command prompt) it show error " 'javac' is not recognized as an internal or external command, operable program or batch file." Here are few steps to resolve this error.

Browser Reload On File Save:- In Asp.Net you might have noticed you browser getting refreshed whenever you save any File using Fileupload in Webforms or MVC. We will see how we can stop that.

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:

Hello friends, as per being a .net developer we often have situations of Sending FCM Mobile Notification in Asp.net for Android. So we will see all steps for sending notifications on android for Asp.Net core.

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, sometimes while working with big databases in sql server we often need to find all tables where we have used specific columns. So we will see how to do that.

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

Hello guys , we often need to integrate twillio sms functionality in our asp.net web application. Sometimes we need to get Sms logs or history for all sent sms from twillio. So we will see how to get sms logs from twillio in Asp.Net MVC .

Hello guys we often have to deal with json files in asp.net Core and we also have to read json files using c# and asp.net. So in this article we will see how to read json file in asp.net core 8.0. We will be creating one json reader class for this purpose.

Selenium automation of keyboard and mouse events is an essential ability for efficient web testing. Knowing how to imitate user interactions is crucial whether you're performing repetitive activities or testing web apps. This in-depth guide will go through how to utilise Java's Selenium WebDriver to automate keyboard and mouse events.

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.

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 will see how to fix Error An error occurred while processing your request.Swapping to Development environment will display more detailed information about the error that occurred.The Development environment shouldn't be enabled for deployed applications. It can result in displaying sensitive information from exceptions to end users. For local debugging, enable the Development environment by setting the ASPNETCORE_ENVIRONMENT environment variable to Development. In asp.net core IIS