1. W3schools.com
If you are a beginner or intermediate programmer, then w3schools is an excellent website for learning programming. W3schools offer tutorials for a variety of web programming and scripting languages such as html, html5, css, asp, Ajax, JavaScript, php, jQuery etc. So, if you are into web development then w3schools would be a great learning resource.
2. Codeavengers.com:
If you want learn coding for making games, apps or websites using html/html5, css3, JavaScript python, but want an entertaining teaching resource. Then codeavengers.com is ideal choice for you. Codeavengers.com was designed by keeping difficulty for beginners in mind. It provides a fun and interactive learning environment that is effective for all age groups. Even if you are an intermediate programmer, you might find some great learning stuff there.
3. Codecademy.com
Codeacademy is another great website, for learning languages like JavaScript, HTML/CSS, PHP, Python, and Ruby. You can even learn how to use some popular web APIs in your website or app. Codeacademy has a great modern learning system, which is based on user interaction. It has full-fledged programming courses for beginners. Again, this website is great for beginners and intermediate learners. But advanced programmers can also find some pretty useful stuff there.
4. tutorialspoint.com
Tutorialspoint has tutorials for a lot of web, high level and scripting languages that are commonly used today. You can find tutorials for any computer language that you have ever heard of (those that are currently in used). Apart from that, it also features a variety of tutorials for other fields such as DIP, OS, SEO, Telecom, DBMS, and frameworks etc. Some commonly used languages that you can learn there are: Java, C++, PHP, Python, Ruby, C#, Perl, VB.Net, ios.
5. msdn.microsoft.com
Although, beginner programmers might find MSDN (Microsoft Developer Network) a tough learning resource, it is still the best resource you can get, if you want to master Microsoft oriented languages such as VB.Net, C# etc. MSDN has great tutorials for beginners, intermediate and advance programmers.
But as I stated earlier, beginners might not be initially comfortable with MDSN, as I has really a lot of resources that it would be a hard time for beginners to find what they are looking for. But if you get used to MSDN, then it is the ideal learning point for Microsoft oriented languages. You can get a lot of sample applications, tutorials and resources that are uploaded by Microsoft and MSDN community. Since it’s a developer’s network, you can even find development help from community members.
6. Lynda.com
You might already know about Lynda.com. Lynda offers easy to follow video tutorials. Lynda.com is an old and well established tutoring site, if you are looking for video tutorials to learn computer languages, then Lynda is your ideal choice. Apart from programming languages, Lynda also offers tutorials for a variety of other fields such as 3D modeling, CAD, Photography etc. Lynda.com is an old and well established tutoring site.
So the next time someone asks you about your computer skills, you know where to turn. I hope you will learn a lot from these websites. All the best :)