Learn how to store persistent PHP session data in a SQL server and create an auto-login system that recognizes returning users.
Taking a college-level programming course? Maximize your learning with these Java tutorials.
Explore solutions to common R programming challenges, and then compare the results with other programming languages in the Code Clinic series.
Learn how to load, extract, and manipulate data from XML documents with the SimpleXML extension for PHP.
Shows how OOP techniques can streamline database queries, help manage sessions, and simplify user logins.
Learn to use the intricate and sometimes underused capabilities of PHP's date and time functions to create, format, calculate, and compare dates and times.
Learn how to use RSpec, the Ruby testing framework that can help developers be more productive, write better code, and reduce bugs during development.
Take your C programming skills to the next level with these tips for writing more efficient, more functional code.
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.
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 solutions to common PHP programming challenges, and then compare the results with other programming languages in the Code Clinic series.
Explore solutions to common C++ programming challenges, and compare the results with other programming languages, in the Code Clinic series.
Explore solutions to common Python programming challenges, and compare the results with other programming languages, in the Code Clinic series.
Explore solutions to common Ruby programming challenges, and compare the results with other programming languages, in the Code Clinic series.
Learn how to use the iterators and data structures in the Standard PHP Library to traverse, filter, and sort data.
Learn how to reinforce your test-driven development (TDD) process by unit testing code with PHPUnit.
Build PHP applications the modern way with Symfony2, a popular PHP MVC framework.
Learn how to build a graphical user interface (GUI) for your Python applications with Tkinter.
Learn how to access and manipulate databases using the object-oriented PHP extensions PDO and MySQLi.
Learn how to meet the most important security challenges when developing websites with PHP.
Get started creating basic servlets and Facelets and building simple data-management applications with Java EE.
Explore the concepts, syntax, commands, and tools that allow you to communicate and share data between applications with Java EE web services.
Develop a PHP class that requires only a few lines of code to handle single- and multi-file uploads both flexibly and securely.
Learn how to perform advanced data analysis using Octave, the free, open-source alternative to MATLAB.
Speed up your development with CakePHP, a popular open-source framework for developing PHP-based web applications.
Use R to model statistical relationships using its graphs, calculations, tests, and other analysis tools.
Obtain, configure, and do simple tasks with a Raspberry Pi, a simple computer that is a gateway to hardware programming.
Speed up your development with CodeIgniter, a fast and powerful PHP web application framework.
Discover the latest features and what's changed in PHP 5.5.
Use PEAR, PECL, and Composer to incorporate modular, reusable code in your PHP applications.
Join Grant Skinner at work and at play, designing cutting-edge interactive experiences, games, applications, and frameworks with technologies like HTML5 and Flash.
Challenge yourself with this series of real-world data visualization scenarios in Processing, an open-source drawing and development environment.
Create datacentric apps for Android devices, using SQLite, Java, and the built-in android.database packages from the Android SDK.
Demonstrates how to leverage PHP's built-in tools, as well as the Xdebug and Firebug extensions and FirePHP library to improve the quality of your code and reduce troubleshooting overhead.
Shows how to convert text or graphics into a mouse-sensitive tooltip with HTML and jQuery.
Shows how to find and manipulate text using regular expressions.
Explains the fundamentals of simple and complex programming in Perl 5.