Knowledge Factory

Creating a Full Stack CRUD (Create, Read, Update, Delete) application with Django for the backend and Angular for the frontend involves multiple steps. Below is a step-by-step guide to help you build a complete application. 1. Set Up the Backend (Django) 1.1 Install Django Start by setting up a virtual environment and installing Django. # Install virtualenv pip install virtualenv # Create a virtual environment virtualenv env # Activate the virtual environment source env /bin/activate # For Linux/Mac env \Scripts\activate # For Windows # Install Django and Django REST Framework pip install django djangorestframework corsheaders 1.2 Start a Django Project Create a new Django project and app. # Start a Django project django-admin startproject backend cd backend # Start an app python manage.py startapp api 1.3 Configure Django Project Add api , rest_framework , and corsheaders to your INSTALLED_APPS in backend/settings.py : INSTALLED_APPS = [ 'django .con...

To implement file upload, list, download, and delete functionality using Angular 19 for the frontend and Spring Boot 3 for the backend, follow these updated steps: 1. Backend: Spring Boot 3 Dependencies Add the required dependencies to your pom.xml file: < dependencies > <!-- Spring Boot Starter Web --> < dependency > < groupId > org.springframework.boot </ groupId > < artifactId > spring-boot-starter-web </ artifactId > </ dependency > <!-- File Upload and Apache Commons --> < dependency > < groupId > commons-io </ groupId > < artifactId > commons-io </ artifactId > </ dependency > </ dependencies > File Controller Create a FileController that handles file upload, list, download, and delete operations: import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework....

To build a full-stack application using Laravel (PHP backend) and Angular (frontend), we will implement a basic CRUD (Create, Read, Update, Delete) application. In this example, the backend will manage a list of users, and the frontend will interact with this backend via HTTP requests. Step 1: Backend - Laravel 1.1 Install Laravel First, create a new Laravel project using Composer. composer create - project --prefer-dist laravel/laravel laravel-angular-crud After installing, navigate to the project directory: cd laravel-angular-crud 1.2 Set Up Database Create a MySQL database (e.g., laravel_angular_crud ) and update the .env file in the root of your Laravel project to reflect the database connection. DB_CONNECTION =mysql DB_HOST = 127.0 . 0.1 DB_PORT = 3306 DB_DATABASE =laravel_angular_crud DB_USERNAME =root DB_PASSWORD = Run the migration to set up the default tables (optional, for user authentication): php artisan migrate 1.3 Create a Model and Migration for Users Now, we’ll...

In the section, we will create a project for Hello Word Example with Spring Boot 3 and Angular 15. Part 1 - Backend development Step 1: Creating a simple spring boot web application.   First, open the Spring initializr https://start.spring.io/ Then, Provide the Group and Artifact name. We have provided Group name com.knf.dev.demo and Artifact helloworld . Here I selected the Maven project - language Java - Spring Boot 3.0.1 and add Spring web dependency. Then, click on the Generate button. When we click on the Generate button, it starts packing the project in a .zip( helloworld .zip ) file and downloads the project.  Then, Extract the Zip file. Step 2: Import the project on your favourite IDE, I am using IntelliJ IDEA Final Project Directory: Pom.xml   <? xml version ="1.0" encoding ="UTF-8" ?> < project xmlns ="http://maven.apache.org/POM/4.0.0" xmlns: xsi ="http://www.w3.org/2001/XMLSchema-instance" xsi :schemaLocation =...