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Declare sample request data in FastAPI

07-01-2026 - Andrés Cruz

Declare sample request data in FastAPI

Python Learn how to generate sample data in FastAPI to enrich your documentation. Discover how to use `json_schema_extra` in models and `openapi_examples` in `Body`, `Path`, and `Query` to facilitate API testing.


Classes in Kotlin: Constructors and Properties, Inheritance, Abstract, Open and data class

07-01-2026 - Andrés Cruz

Classes in Kotlin: Constructors and Properties, Inheritance, Abstract, Open and data class

Android In this entry we will see how to handle classes in Kotlin, main constructor, secondary constructors, properties, set and get methods, creating class instances, empty classes, data class, Pair y Triple.


How to integrate CKEditor 5 into Django 6

07-01-2026 - Andrés Cruz

How to integrate CKEditor 5 into Django 6

Django Easily integrate CKEditor 5 into Django. Updated tutorial with installation, configuration, media files, and real-world use in the Django admin panel.


How to create and use functions in Kotlin

06-01-2026 - Andrés Cruz

How to create and use functions in Kotlin

Android Complete guide to functions in Kotlin: learn syntax, named parameters, lambdas, extension functions and null handling with practical examples.


Flask Mail to send emails

06-01-2026 - Andrés Cruz

Flask Mail to send emails

Flask Flask Mail allows you to send emails with HTML using a pre-configured SMTP client in the Flask application; let's see how to install, configure, and use the package.


Quickly configure margins and font sizes in Tailwind CSS with a plugin

05-01-2026 - Andrés Cruz

Quickly configure margins and font sizes in Tailwind CSS with a plugin

CSS I'll show you a package that lets you modify your website's typography with Tailwind using @tailwindcss/typography, so you don't have to worry about manually defining text spacing and sizes.


Flask pagination: A macro for reusable pagination with SQLAlchemy, Jinja, and Bootstrap 5

05-01-2026 - Andrés Cruz

Flask pagination: A macro for reusable pagination with SQLAlchemy, Jinja, and Bootstrap 5

Flask We will create a macro so that we can easily reuse the pagination component in any module that we want to use.


How to create our own social sharing buttons

04-01-2026 - Andrés Cruz

How to create our own social sharing buttons

HTML Learn how to create social media sharing buttons with HTML, CSS, and JavaScript, without plugins or external services, optimized and customizable.


Steps to generate an APK and ABB signed in Release mode in Flutter using VSC in Google Play

04-01-2026 - Andrés Cruz

Steps to generate an APK and ABB signed in Release mode in Flutter using VSC in Google Play

Flutter We will talk about many important steps when generating an APK and ABB signed in Release mode in Flutter using VSC that are not discussed in the official documentation.


Conditionals in Kotlin: if and when

03-01-2026 - Andrés Cruz

Conditionals in Kotlin: if and when

Android Conditionals are a fundamental element in any programming language, they allow you to make branches in the code based on a condition established in them. In this post we will see how to use the if and when conditionals in Kotlin.