Tiempo de lectura: 2 minutosIf you understand what is a CRUD, you can build 80% of existing applications today. In this tutorial, I will explain CRUD from scratch, with practical mindset, real-world examples and modern approach. CRUD means: Possible it may sound simple… but here is the reality: Instagram, Amazon, Spotify, Netflix, WhatsApp → Everything is CRUD. Posts, users, … Read more
Tiempo de lectura: 2 minutosBy 2026, FastAPI has become the fastest-growing framework within the Python ecosystem. Its combination of performance, modern typing, and ease of use make it the preferred tool for creating APIs, microservices, and real-time applications with WebSockets. This guide teaches you what is FastAPI, how to use it with WebSockets and how to build your first … Read more
Tiempo de lectura: 2 minutosA worker (worker) is a server process that handles incoming HTTP requests to your FastAPI application. Think of it as a person at a customer service counter: the more workers you have, the more customers you can serve at the same time. Imagine you have an API that processes requests like: @app.get(“/procesar”) def procesar(): time.sleep(2) … Read more
Tiempo de lectura: < 1 minutoWe will learn today how to freeze versions and update your container with a fixed requirements.txt. docker exec -it nombre_contenedor /bin/bash This leaves you in the terminal inside the container. Make sure to be in the folder where you installed your packages or where your venv is located. Generate requirements.txt Inside the container, execute: pip … Read more
Tiempo de lectura: < 1 minutoWe will share a function that will allow us to verify the purchases we make on Apple with Apple Store Kit 2 and JWT using Python. First, we will create a function utils that will allow us to validate the jwsRepresentation of the Apple purchase. For that we will use these functions: import base64import requestsimport … Read more
Tiempo de lectura: < 1 minutoWe will create a function today that allows us to verify an in-app purchase made from iOS using Apple and written in Python. We will create a utility function like this: import requests def verify_ios_purchase(purchase_token: str, testMode: bool = False) -> dict: print(purchase_token) print(“—————————“) “”” Verifies the iOS receipt with Apple servers. Args: purchase_token (str): … Read more
Tiempo de lectura: < 1 minutoHoy you are sharing a small function that allows image scaling using nearest neighbor and directly from the server. You will reduce the computational cost of the front to scale images. I recommend using it for pixel art style. Although it may work with other images or you’ll need to change the resizing algorithm. First, … Read more
Tiempo de lectura: 4 minutosThis is how we can implement Google Sign in using React Native and Expo in a simple way. The first thing we will do is use this library @react-native-google-signin/google-signin The installation is: npx expo install @react-native-google-signin/google-signin We will configure it once installed. First we will create our handler in Typescript: html import React from “react”; … Read more
Tiempo de lectura: 2 minutosWe will today learn how to validate in-app purchases using Python and an Android app. This will serve for native Android apps, ionic, kotlin, flutter, react native or any other technology you choose. The first thing to do is create a refresh token and OAuth 2.0 token data. To follow this tutorial, we will continue … Read more
Tiempo de lectura: 2 minutosToday we are going to learn how to pass and display the number of tests that have been covered in SonarQube. For React with Vite: First, we install: npm install -D vitest-sonar-reporter Now, we go to the vitest.config.ts We add: html reporters: [‘default’, ‘vitest-sonar-reporter’], // JUnit reporter to generate test reports outputFile: ‘test-results/test-results.xml’, // XML … Read more
