Here we collect free online resources which helped us in learning how to code or how to write better code. We hope you will find them useful too We encourage you to explore them! Please add to this page if you found a great tutorial that helped you or if there is an area we did not yet cover.

Git

Take the time to get to know the version control system Git, it will pay off since that's a tool you’ll probably use every day when programming.

• http://try.github.io/ - short intro course to git
• https://git-scm.com/book/en/v2 - great book taking you from the basics into the inner workings of Git

Java

• https://www.tutorialspoint.com/java/index.htm  I find this very helpful in learning the Java language right from the basics. I hope it will help someone out there .

TODO -

Javascript

Javascript (JS) is what we use when developing our user interfaces, you can for example find a little bit in https://github.com/openmrs/openmrs-core where we use JS to make the OpenMRS installation wizard dynamic, some more in https://github.com/openmrs/openmrs-module-legacyui which is where the older OpenMRS user interface is, ...

General

• Tutorials/Language/API Documentations
  
  • https://developer.mozilla.org/en-US/docs/Web/JavaScript - simply the best  a great start to learn the basics of Javascript and the go-to resource when you want to lookup how a certain API works
• Tutorials/Courses
  
  • https://javascript30.com/ - super fun course which can improve your knowledge of browser APIs, Javascript and CSS
    • good idea to have a look at https://wesbos.com/courses/ since Wes continuously adds courses that are always very thoroughly explained, fun and often for free
  • https://nodeschool.io/#workshopper-list - once installed you can work on these workshops offline :)
    
    • the first ones to look at when getting started are javascripting, scope-chains-closures, planetproto, how-to-npm, promise-it-wont-hurt, js-best-practices, functional-javascript-workshop but there are many more
• Books
  
  • https://github.com/getify/You-Dont-Know-JS - very good and in depth books about how Javascript works, good read for everyone (beginners, more experienced JS developers)
  • http://exploringjs.com/ - great books explaining everything from the older to the newest Javascript language features
  • https://drboolean.gitbooks.io/mostly-adequate-guide-old/content/ - a book on functional programming in Javascript, you might want to start with the above first and come to this one a bit later. It is worth checking out tough, since its always interesting and good to challenge your way of thinking
• Newsletters
  • http://esnextnews.com/ - stay up to date and learn about language features you did not yet know

Build/Maintenance

• Books
  • https://survivejs.com/webpack/preface/ - extensive explanation and examples to follow along on how to package/build/optimize your front-end application using https://webpack.js.org/
  • https://survivejs.com/maintenance/ - how to publish/maintain JavaScript applications or packages

Frameworks/Libraries

Angular

TODO -

React

ReactJS is a popular Javascript framework (out of many out there) and it is one of the frameworks used by some of our Open Web Apps in OpenMRS and also http://bahmni.org/. Make sure to that the module/project you will be working on is using ReactJS (and or Redux) before diving into these tutorials because it might also use another JS framework.

• https://reactjs.org/tutorial/tutorial.html - is a must if you haven’t used react before
• https://learnredux.com/ - very good course on redux which can also improve your react knowledge

Books

• https://survivejs.com/react/introduction/

CSS

• https://css-tricks.com/guides/ - great articles about css
• https://flexbox.io/ - free course on CSS flexbox
• https://cssgrid.io/ - free course on CSS grid

Extensive Curriculum

We put https://www.freecodecamp.org/ in its own category since they offer very extensive courses that require more time to go through. freecodecamp is definitely worth the effort. They have different tracks such as

• Front End Development Certification
• Data Visualization Certificate