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Hashmap in Java

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.

Create JSON String in C#

JSON (JavaScript Object Notation) is a lightweight data interchange format commonly used for transmitting data between multiple systems, mostly in Web APIs and client applications. JSON is a text-based format that is easy for humans to read and write and also easy for machines to parse and generate. It is language-independent, meaning it can be used with any programming language that has the capability to parse JSON data.

Integrate Stripe Payment Gateway In ASP.NET Core 8.0

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

do-while loop in C

A do-while loop is a sort of loop construct in C that repeatedly runs a block of code as long as a stated condition is true. The do-while loop, as opposed to the while loop, ensures that the code block is performed at least once, even if the condition is initially false. The basic syntax of a do-while loop in C is as follows:

LINQ

LINQ (Language Integrated Query) is a feature in C# that allows us to perform queries against data sources, which can be arrays, collections, or any type of databases, using a SQL-like syntax. In this article, we will cover some basic concepts and functionalitites of LINQ and learn how to use it in your C# application

Break and Continue

The break statement is used to terminate the loop or statement in which it present. This statement is used to skip over the execution part of the loop on a certain condition.

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.

Chapter-1 (Introduction of C)

C is a general-purpose, procedural programming language created by Dennis Ritchie at Bell Labs in the early 1970s. It was designed to be a system programming language and eventually became widely used due to its power, flexibility, and efficiency. Here are some key aspects and features of the C programming language:

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.

How to refund payment using Paypal 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 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.

2-D Array in C

A two-dimensional (2D) array is an arrangement of items in C that are arranged in a grid and are individually identified by a pair of indices: a row index and a column index. A 2D array can be compared to a table or matrix that has rows and columns. A 2D array in C is declared, initialised, and used as follows:

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.

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.

How to implement JWT Token in Asp.Net core 7

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.

Slick Slider

In this tutorial we’ll use slick Slider , A Slick Slider is a popular jQuery plugin, to build an attractive responsive image gallery. Slick.js is a well-known jQuery plugin created by Ken Wheeler that lets you build beautiful responsive carousels. so what I going to do is to create a custom slider one of my favorite slider is the slick slider. You can create a custom slider by following the steps below.

Exception Handling and Creating Exception Logs in Asp.net MVC

So basically in a MVC Project we often use many controllers for making our web project functional.So one way is to handle exception separately on all of them or we can simple use a Base Controller. A Base controller can be told as a parent controller from which all other controller will inherit.So in that way Exception handling performed on Base Controller will get applied on all controllers which inherits from this controller.

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.

Operator Overloading in C++

Operator overloading in C++ allows you to define how operators behave when used with objects of user-defined classes. You can customize the behavior of operators, such as +, -, *, /, ==, and many others, to work with your own classes, making your code more intuitive and expressive.

Assignment To Merge Column And Rows In a table

To merge columns and rows in an HTML table, you can use the colspan and rowspan attributes within the or elements. These attributes allow you to span a cell across multiple columns (colspan) or rows (rowspan). Here's an example demonstrating how to merge cells in an HTML table:

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:

Error-An error occurred while processing your request in .Net core IIS

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

NoSuchwindowException in Java

The NoSuchWindowException in Java is an exception that's thrown when a WebDriver (typically from a Selenium framework) tries to switch to a window that does not exist. This usually occurs in web automation scenarios when you're working with multiple browser windows or tabs

Chapter1 CSS

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:

How to Integrate Google Sign in Asp.net Core 8.0

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.

Implicit wait V/s Explicit wait In Java

In Selenium WebDriver, both implicit wait and explicit wait are mechanisms to control the timing of interactions with web elements, especially when elements might not be immediately available due to various reasons such as dynamic content loading, AJAX requests, etc. Both techniques help in synchronizing your tests with the actual behavior of the web application.

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