Knowledge Factory

Here’s a complete end-to-end example of a CRUD app using Go for the backend and Swift for the iOS frontend . The app will manage a simple list of tasks. 1. Backend: Go Setup Install Go: https://go.dev/ Install dependencies: Use the Gin framework for HTTP and GORM for database interactions. Install via: go get - u github. com /gin-gonic/gin go get - u gorm.io/gorm go get - u gorm.io/driver/sqlite Code: main.go Here’s the complete code for a simple CRUD API: package main import ( "net/http" "github.com/gin-gonic/gin" "gorm.io/driver/sqlite" "gorm.io/gorm" ) type Task struct { ID uint `json: "id" gorm: "primaryKey" ` Title string `json: "title" ` Description string `json: "description" ` } var db *gorm. DB func main () { // Initialize database var err error db, err = gorm. Open (sqlite. Open ( "tasks.db" ), &gorm. Config {}) ...

Creating a robust iOS app backed by Django for performing CRUD (Create, Read, Update, Delete) operations offers a powerful combination for developers looking to build scalable and efficient mobile applications. This guide will take you through the essential steps to build such an app, emphasizing key concepts, tools, and best practices to create a seamless integration between your iOS frontend and Django backend. Why Combine iOS with Django? Django, a high-level Python web framework, is known for its rapid development capabilities and scalability. With Django, you can create a RESTful backend that securely manages data, user authentication, and business logic. On the other hand, iOS development with Swift provides a smooth and interactive user experience, making it ideal for building modern mobile applications. Together, they form a powerful stack for creating feature-rich apps. Key Components of the Architecture Django Backend : Handles data storage and management using Django models....

Creating an iOS application that interacts with a Spring Boot backend for CRUD operations involves several steps. Below is a high-level outline of the process, including sample implementations: Backend: Spring Boot Set Up the Spring Boot Project Use Spring Initializr to generate a Spring Boot project with dependencies like: Spring Web Spring Data JPA H2 Database (or any other DB like MySQL/PostgreSQL) Spring Boot DevTools Define the Entity Class @Entity public class Item { @Id @GeneratedValue (strategy = GenerationType.IDENTITY) private Long id; private String name; private String description; // Getters and setters } Create the Repository public interface ItemRepository extends JpaRepository < Item , Long > {} Build the Controller @RestController @RequestMapping( "/api/items" ) public class ItemController { @Autowired private ItemRepository repository; @GetMapping public List<Item> getAllItems() { ...

Flexbox is a layout technique that is utilized to structure the layout of our application in a responsive manner. Flexbox provides three main properties to achieve the desired layout. These properties are flexDirection, justifyContent, and alignItems. f lexDirection (column, row) : Used to align its elements vertically or horizontally. justifyContent (center, flex-start, flex-end, space-around, space-between):  Used to distribute the elements inside the container. alignItems (center, flex-start, flex-end, stretched): Used to distribute the element inside the container along the secondary axis. Our demo app screen will look like this − flexDirection(row) Implementation First, You must set up your local development environment. Follow the below link to set up your local environment. React Native - Environment Setup - Create a new project After executing the commands mentioned in this  link , a folder with a specified name is created with the following contents. Edit the  ...