Yasar_Webbie

Building a Basic Fintech Web App with Open Source Technologies Introduction: In today's digital age, fintech applications are becoming increasingly popular. This post will guide you through creating a basic fintech web app using open-source technologies. We'll cover the backend, frontend, and some essential tools for development and deployment. 1. Backend Setup For our backend, we'll use Python with Flask, a lightweight web framework. We'll also use PostgreSQL as our database. First, let's set up a basic Flask application with a PostgreSQL database: ```python from flask import Flask, jsonify from flask_sqlalchemy import SQLAlchemy app = Flask(__name__) app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql://user:password@localhost/dbname' db = SQLAlchemy(app) class User(db.Model):     id = db.Column(db.Integer, primary_key=True)     username = db.Column(db.String(80), unique=True, nullable=False)     balance = db.Column(db.Float, nullable=False) @app.r...

Building a Secure and Efficient User Authentication System in PHP User authentication is a cornerstone of any modern web application. Whether you're creating a personal blog or a complex web service, secure login and signup mechanisms are essential. In this post, we'll explore how to build a simple yet robust authentication system in PHP. The Login Module The login process is where users authenticate themselves by providing their credentials—usually an email and password. Let's break down how we can implement this securely: 1. Session Management Before we start, it's crucial to manage user sessions properly. Sessions are used to store user information across multiple pages. We start a session if it hasn't already been initiated. php Copy code if ( session_status () == PHP_SESSION_NONE) { session_start (); } 2. Database Connection To verify user credentials, we need to connect to a database. For security and modularity, it's advisable to separate configurati...

Secure Web Links in Traditional Web Applications:  10 Strategies Introduction  In today's digital landscape, securing web links is crucial for protecting user data and maintaining the integrity of web applications. This post explores 10 effective strategies to enhance the security of web links, especially when sending them through email in traditional web applications. 1. OAuth 2.0 Implementation  OAuth 2.0 is an authorization framework that can significantly enhance security. It allows users to grant limited access to their resources without sharing their credentials. Key steps: Set up an OAuth 2.0 server or use a third-party provider Implement OAuth 2.0 flow in your application Use access tokens for API requests Pros    Industry-standard protocol  Supports various authentication flows Allows third-party access without sharing credentials Cons Complex to implement  Requires careful configuration May be overkill for simple applications 2. Ema...

# Hello, world! I'm a web developer with 8 years of experience. Hi, everyone! My name is Yasar Arafat and I'm a web developer. I have been working in web development for 4 years, creating websites and web applications using various technologies and frameworks. I have also worked as an XML and Word operator for 2 years, handling data processing and document formatting tasks. In total, I have 8 years of experience in the IT industry. I have a Bachelor of Computer Applications (BCA) degree from The New College, where I learned the fundamentals of programming, databases, networking, and software engineering. I have always been passionate about learning new skills and exploring new challenges in the field of web development. Some of the projects that I have worked on include: •  [ GlobeSteels ]: A website that small scale steel company website. •  Demo Project : A web application that demo of the web application]. You can check out my portfolio and GitHub profile to see more of my ...

2022 is the year when programming skills will be even in bigger demand. After breaking 2020, when companies went online because of a pandemic situation, the Internet became the main business scene.  Young specialists who have already started the programming career faced a new problem: what programming languages are better to learn, and what are the  programming languages trends . However, the problem lies deeper than the surface. As we have already mentioned, programming languages can be less and more complicated. It’s better to start with C / C++ as this is the foundation of the whole software development. For advanced users, JavaScript or Python will be a better choice.  According to Fullstack academy , if you have determined your career goals, you should concentrate on the following: JavaScript, Elm, TypeScript are used in front-end web development JavaScript, Scala, Python, Go, Ruby are useful for back-end web development Swift, Java, Objective C, JavaScript serve in ...