Do you have a smarthome device like the Amazon Echo? You can put your coding skills to the test by creating customized mini-programs to get more functionality out of your devices’ digital assistants. Amazon’s Alexa may already know many basic voice-command “skills,” like reading the latest news headlines, but you can teach her more complicated tasks by coding in Node.js, Java, Python, C#, or Go. (Or, if you want to start with something easier, try the simpler Alexa skill blueprints site.)
This Google project for web developers launched in 2010 to counter Apple’s HTML5. The site is full of tutorials, resources and the latest HTML5 updates. It’s open source, so developers can play around with HTML5 code. Because this site's offerings are more advanced than most introductory courses, you'll need some knowledge and experience before jumping in.
The programming community is full of people who are willing to help the next generation of programmers. GitHub, the online hangout for developers who use Git to manage their coding projects, is designed for online collaboration. Not only do developers host and share their projects with their peers, they also provide code feedback and general advice to the community.
This is our best piece of coding advice: If you can’t figure out why your code is broken, you can always look for solutions online. You’re probably not the first person to make your mistake, after all, and someone on the internet has surely already found a solution to your issue. Just “copy and paste” your error message into Google (or your preferred search engine), add a pair of quotation marks around the entire phrase so that you’re not just searching for keywords, then hit “Enter.” Hopefully, this little trick will lead you to the correct answer.
I can’t recommend Harvard’s CS50x Introduction to Computer Science enough. You can audit the course for free via edX and earn a certificate by completing all the assignments, or you can go at your own pace and watch all the lectures posted on Youtube. You can build your own DIY college-level computer science program with this selection of fifteen online courses (many of which are also listed in our Lifehacker U series).

Learn using videos, interactive exercises, and in-depth articles in math (arithmetic, pre-algebra, algebra, geometry, trigonometry, statistics, calculus, linear algebra), science (biology, chemistry, physics), economics (microeconomics, macroeconomics), humanities (art history, civics, finance, US history, US government and politics, world history), and more (including computer science principles)!
Your answer can help determine which programming language(s) you should master, as well as what sort of commitment (in time and money) your goal may require. For example, if your dream is to create the next great operating system or a killer alternative to PhotoShop , you would benefit from a formal computer science education that teaches you C++, as well as more complex topics like data structure, algorithms and memory allocation.
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The programming community is full of people who are willing to help the next generation of programmers. GitHub, the online hangout for developers who use Git to manage their coding projects, is designed for online collaboration. Not only do developers host and share their projects with their peers, they also provide code feedback and general advice to the community.
Udemy bills itself as an online learning marketplace, hosting 130,000+ user-created courses on all kinds of topics (including over 2,000 coding-related classes). While some of Udemy’s offerings are paid (costing $20-$200 per course), there are plenty of free coding classes as well, including some shorter Tech 101-type courses that teach code for beginners.
Khan Academy allows you to learn almost anything for free. Our Xbox app is the best way to view Khan Academy’s complete library of over 5,000 videos. We cover a massive number of topics, including K-12 math, science topics such as biology, chemistry, and physics, and even the humanities with playlists on art history, civics, and finance. Spend an afternoon brushing up on statistics. Discover how the Krebs cycle works. Learn about the fundamentals of computer science. Prepare for the upcoming SAT. Or, if you’re feeling particularly adventurous, learn how fire stick farming changed the landscape of Australia. Included in our Xbox app: - Watch all of our 5,000+ videos - Track your progress: Log in with your Khan Academy user account to get credit for watching videos, and see your achievements It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology; Khan Academy's materials and resources are available to you completely free of charge.
No matter how many certificates and coding workshops you complete, or how many programming languages you learn, the proof of your coding skills will be in your programming project. While your personal project doesn’t have to be as ambitious as creating the next Google Maps, it should be something you’d want to work on 24/7 to constantly improve and expand its scope.
I recommend checking out CS Dojo, TheNetNinja, and Harvard’s CS50 YouTube channel. If you don’t have time to search for a perfect coding video or channel, you can also check out LinkedIn Learning’s vast video library for vetted and professional-looking tutorials. While the service’s $30/month subscription fee is nothing to sneeze at, you can binge-watch an unlimited amount of content and topics—making LinkedIn Learning a better deal than other on-demand online classes that come with annoying restrictions.
Created in 2006 by educator Salman Khan, Khan Academy is one of the original free online-learning institutions. With step-by-step video tutorials, you can  learn how to program drawings, animations and games using JavaScript and ProcessingJS, or learn how to create webpages with HTML and CSS. See, especially, Khan's "Hour of Code," designed to introduce students to one hour of computer science and computer programming.
Spend an afternoon brushing up on statistics. Discover how the Krebs cycle works. Learn about the fundamentals of music notation. Get a head start on next semester's geometry fundamentals. Prepare for the SAT, GMAT, LSAT, MCAT, NCLEX-RN, and AP exams. Or, if you're feeling particularly adventurous, learn how fire-stick farming changes the landscape of Australia.
What an incredible app. I’m so impressed. This company deserves loads of money to be thrown at it for making it free. My son has just switched from a Cambridge school to an American School and missed a lot of work. I think we were both about to give up. I didn’t know where to start to help him and being his new school is completely iPad based we felt deep despair at just the thought of trying to navigate through classrooms codes and half working text book apps. Now it’s all here in one place! Simple well explained and the practice really gets your confidence going. He had some maths homework and instead of the total melt down we both would have had trying to work out what was going on we flew through it!! THANK YOU! I love the fact that all the grades are here too so if there is a concept he is struggling with we can go back in the grades to see where that was introduced and work through it! We have been struggling for months trying to find the answer on line. It was only due to the fact that Khan kept coming up that I googled it and found the app. I truly pray this company gets loads of financial support to keep this app going! THANK YOU THANK YOU THANK YOU!!
Whether you’re an adult looking to transition into the tech industry, a student looking to learn the latest language, or a hobbyist who just wants to understand how software and services work, all you need is a computer and internet access to start your programming journey. But before you take a flying leap into The Matrix, here are our best tips and resources to set you off on the right foot.
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