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Learn how to protect your network for free with open-source tools and these network-security tutorials from expert Jungwoo Ryoo.
Write better PHP code by following these popular (and time-tested) design patterns.
Introduces the modules, components, extensions, and templates that will help you take Joomla! further.
Find new and interesting ways to display your site content with Joomla!, the open-source CMS, and these tutorials from Jen Kramer.
Learn how to install and configure Apache, MySQL, and PHP, known collectively as the AMP stack, on a local development computer. These tutorials work with Windows, Mac OS X, and Linux systems.
Take your C programming skills to the next level with these tips for writing more efficient, more functional code.
Learn how to make polished and engaging interfaces for your websites and mobile apps with jQuery UI.
Learn how to use jQuery to add dynamic content, remote data, animation, and effects to your websites and mobile apps.
Explains the nuts and bolts of HTML (HyperText Markup Language), the programming language used to create web pages, and provides an introduction to HTML5 and CSS.
Create your own website or blog with WordPress, the web's most popular content management system.
Learn C#, the object-oriented language from Microsoft that's used to program systems, desktop applications, and mobile apps. These C# tutorials cover the history, syntax, and important concepts of this powerful programming language.
Get the most out of the new default WordPress theme, Twenty Fifteen, a blog-centric theme with a heavy focus on post formats and accessibility.
Learn to program in C++ with these exhaustive C++ tutorials, covering everything from defining variables, functions, and custom classes to working with the C++ Standard Template Library.
Explore a solution to a different PHP challenge every month, and compare the results with other programming languages, in the Code Clinic series.
Explore a solution to a different C++ challenge every month, and compare the results with other programming languages, in the Code Clinic series.
Explore a solution to a different Python challenge every month, and compare the results with other programming languages, in the Code Clinic series.
Explore a solution to a different Ruby challenge every month, and compare the results with other programming languages, in the Code Clinic series.
Learn everything you need to know to build applications with Laravel. These Laravel tutorials cover the finer points of this standout PHP framework: routing and filtering requests, working with layout templates, and integrating databases.
Learn how to connect to SSH servers, transfer files securely, and set up SSH.
Learn how to connect to FTP servers from a client, a browser, or the command line.
Design a responsive HTML email that will adapt to varying screen sizes and render correctly in over 30 different email clients, including Gmail, Outlook, and Yahoo.
Create a promotional, animated marquee for the homepage of your WordPress website. The exercise files and code snippets for this course are free to all members.
Learn to create a custom photo gallery for WordPress that goes beyond the built-in look and feel.
Find out how to model an iconic car—the Aston Marton DB5—in the free 3D modeling application Blender.
Build web apps that can handle multiple users, registration, and real-time data, with AngularJS.
Programming can be fun and gives kids a great head start. Teach your kids to program using these learning techniques, apps, and hardware.
Keep your WordPress site secure using these best practices and plugins.
Learn to create web animations from a simple Illustrator file, with Ai2Canvas—a free plugin that works with nearly every version of Illustrator, from CS3 to CC.
Learn how to implement DRY development techniques on your WordPress sites, and build more efficient, maintainable, and understandable code.
Build a custom plugin to track the popularity of WordPress posts and then create a widget to display the top five.
Learn how to use the iterators and data structures in the Standard PHP Library to traverse, filter, and sort data.
Learn how to perform a variety of advanced administration tasks in both MariaDB and MySQL, two powerful database solutions that work in slightly different ways.
Move your Joomla! 2.5 site to 3.3 and take advantage of all of the newest Joomla! features.
Get a quick introduction to the vocabulary and basics of programming in C, the language that inspired C++, Objective-C, and many others.
Learn how to install Joomla! locally or remotely, so you can run it from your own computer or a web host.
Learn how to protect communications on your network with TLS/SSL with PKI for trusted encryption and identity verification.
Use information architecture and the WordPress template hierarchy to build a cleaner and more effective design process.
Learn how to edit WordPress user accounts directly in the database with phpMyAdmin—bypassing WordPress entirely.
Learn how to reinforce your test-driven development (TDD) process by unit testing code with PHPUnit.
What is big data? Explore its impact on consumers, businesses, and scientific research, and the methods behind storing, manipulating, and analyzing it.
Learn how to apply 2D images to your 3D models with these UV mapping techniques in Blender.
Learn how to perform basic image editing techniques such as cropping and resizing, selecting and masking, improving tone and contrast, and basic retouching, in GIMP, the free image editor for Mac and Windows.
Learn how to use vi, the text editor built into Unix systems, to manage files, edit text, search and replace text, and more.
Learn how to install CentOS, perform common admin tasks from the command line, and get popular services running.
Learn how to get up and running with Genesis and take your WordPress site to the next level.
Protect your networks from cyber attacks. Learn how to implement antivirus protection and firewalls and scan for suspicious activity.
Learn how to customize themes with Genesis, the WordPress framework that offers SEO, security, and a huge selection of design options.
Build PHP applications the modern way with Symfony2, a popular PHP MVC framework.
Keep your Apache web servers up and running with these practical configuration and logging techniques.