design patterns and refactoring articles and guides. design patterns video tutorials for newbies. simple descriptions and full source code examples in java, c++, c#, php and delphi.

github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

make the impossible, possible with trello. the ultimate teamwork project management tool. start up a board in seconds, automate tedious tasks, and collaborate anywhere, even on mobile.

news and views from members of the java team at oracle

start your video game design journey here! our beginners guide to game design will point you in the right direction (without confusing you).

build your own x from scratch books: redis, database, compiler

developer, lecturer & science communicator