This section contains selected examples of learning materials, technical notes and knowledge resources that reflect my professional and educational background.
The goal is not to replace guided learning, but to provide a glimpse into the topics I teach and the way I structure knowledge.
DEVKNOW is an independent technical knowledge project focused on practical IT concepts, structured learning and professional development.
Current topics include:
Programming fundamentals
Algorithms and pseudocode
Software development concepts
PostgreSQL and SQL
HTML and CSS
Java
IBM Mainframe fundamentals
COBOL
JCL
Spring Boot
DEVKNOW serves as both a learning resource and an example of the structured teaching approach used in my lessons.
Selected resources:
These materials highlight conceptual differences and practical usage scenarios.
Selected materials and references covering:
Many of these topics are also available through DevKnow.
Selected resources:
Designed for learners interested in spatial data and digital mapping technologies.
New materials may be added over time as the knowledge base evolves.