CRUD in Python: creating a task manager with Tkinter and JSON https://sudonull.com/crud-in-python-creating-a-task-manager-with-tkinter-and-json
Practical guide to implementing CRUD operations in Python. Create a desktop application for task management with a graphical interface. Learn the basics of OOP, working with JSON and Tkinter.
Inner join in Flink with Debezium CRUD https://sudonull.com/inner-join-in-flink-with-debezium-crud
Implementation of real-time inner join of tables in Apache Flink with full support for create/read/update/delete from Debezium. Code, state management, limitations. For middle/senior dev.
Testing without requirements: 4 QA rules https://sudonull.com/testing-without-requirements-4-qa-rules
Learn how QA engineers work with incomplete tasks: closed questions, transition tables, CRUD matrices. Practical approaches for middle/senior. Apply in your team.