Entries by admin

Unveiling the Power of Window Functions in SQL

    For SQL users, the ability to manipulate data is paramount. Traditional aggregate functions like SUM, COUNT, and AVG excel at summarizing entire datasets. But what if you need to perform calculations across specific sets of rows within your data? Enter window functions, powerful tools that unlock a new level of analytical process in […]

Dictionary In C#

  · A C# dictionary is a generic collection of key-value pairs. · The keys must be unique, but the values can be duplicated. · Dictionaries are implemented as hash tables so their keys can quickly access them. · If you want create a dictionaries in C#, you must have to use  the Dictionary<TKey, TValue> class , where TKey […]

C# PROPERTIES

Before we discuss about properties we should have a basic understanding of Encapsulation. Encapsulation means to hide sensitive data from users.None can show our private and sensitive data with this. To achieve Encapsulation we have to declare our fields with private keyword. Next we have to provide public get and set properties to access our […]

ActionVerbs: HttpGet, HttpPost, HttpPut

The ActionVerbs selector is to handle different type of Http requests. The MVC framework includes HttpGet, HttpPost, HttpPut, HttpDelete, HttpOptions, and HttpPatch action verbs. You can apply one or more action verbs to an action method to handle different HTTP requests. If you don’t apply any action verbs to an action method, then it will […]

API Security in ASP.NET Core

Methods for API Security in ASP.NET Core: 1. JWT Authentication JWT (JSON Web Tokens) authentication is a popular method for securing APIs by issuing tokens to authenticated users. JSON Web Tokens (JWT) are a compact, JSON Web Tokens (JWT) are a compact, URL-safe means of representing claims to be transferred between two parties. These tokens […]

React Native Permissions

React Native permissions is refer to authorization granted permission by the user to access certain device features. Such as the camera, microphone, location, contacts, etc. provides APIs and modules to interact with these platform-specific permission systems and request permissions from the user.   Below is some common permission. 1. Camera: This permission allows the app to access […]

R Programming Language

In the previous part, we saw what the R programming language is. In this part, we will explore its advantages and disadvantages, and we will also create a program. Ø Advantages of R o R programming language is suitable for GNU/Linux and Windows operating systems. o R is the most comprehensive statistical analysis package. As new technology and […]

Explanation of DOM

What is DOM? The Document Object Model (DOM) is a programming API for HTML and XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated. Document object model provides a way to represent the structure and content of an HTML document as a “tree of objects”. Document is the top node and the […]

Dependency Injection in C#

What is Dependency Injection? Dependency Injection is a software design pattern used to reduce coupling between components in a system. It allows objects to obtain their dependencies from external sources rather than creating them internally. Instead of tightly coupling classes with their dependencies, DI promotes loose coupling by injecting dependencies from external sources.   Benefits of Dependency […]

CORS (Cross-Origin Resource Sharing) in ASP.NET

  What is CORS? CORS stands for Cross-Origin Resource Sharing. It’s a security feature implemented by web browsers to prevent malicious websites from making unauthorized requests to another site. When a web application hosted on one domain (origin) tries to access resources on a different domain, CORS kicks in to determine whether the cross-origin request […]

AWS (Amazon Web Services)

History: The Early Seeds (2003-2006): Around 2003, Amazon engineers started thinking about how they could use their internal infrastructure for outside use. In 2004, they introduced the Simple Queue Service (SQS), a basic messaging service.   The Official Launch and Initial Growth (2006-2010): In 2006, AWS officially started, offering: Amazon Elastic Compute Cloud (EC2): Virtual […]