Setting up SSH keys on a Linux server can be a chore. An overview of key files, how to generate and to install on Github. Plus troubleshooting advice!
Even if you code on a Mac or Windows computer, you will need these essential Linux skills if you want to call yourself a Web developer.
How to use PHPUnit mock objects to create a virtual laboratory for testing components. Set up stub objects to return values via simple method calls.
Continuing the Foundations series – create a PHP directory list class using the elegant DirectoryIterator. Create reusable and extensible code to mine subdirectories and avoid gotchas like dot directories and symlinks.
A fatal PHP error can leave you with an empty screen. Here’s how to find and manage error information in your system to get your code back on track.