Object-oriented programming 23 Applications 48 Design Patterns 20 Strategies 96 Continuous Integration - CI 2 Testing 8 Characteristic 38 Protocols 12 Communication 8 Data Structure 5 Version Control 6

PHP 40 Python 1 Ruby 1 TypeScript 2 JavaScript 15 Erlang 2 Java 3 General 3

NoSQL 9 Relational Databases 15 Concepts 4 General 2 Data Warehouse 2 Time Series Databases 1

Terraform 1 Cloud Computing 10 Server 4 Network 25 Virtualization 3 Ansible 1 Architecture 7 Characteristics 1

Cascading Style Sheets - CSS 3 Leaner Style Sheets - LESS 1 Syntactically Awesome Stylesheets - Sass 1

Attack Methods 17 Security Mechanisms 11 Organisations 1 Famous Security Loopholes 3

HTML 1 XML 4 Extensible Hypertext Markup Language - XHTML 1 Markdown 1

CSS 1

SCRUM 5 General 1 Kanban 1 Extreme Programming - XP 1 Crystal 5 Dynamic Systems Development Method - DSDM 1 Feature Driven Development - FDD 1

Applications 1