PHP & More

A technical blog about programming in PHP and about technology in general: programming, workarounds and troubleshooting

I recently installed VirtualBox configured internet connection to the internet for a virtual windows 7 machine I’ve installed using Vagrant, tried to setup USB, but got the following message: “Failed to save settings – Empty or null HostOnly interface name is not valid.”. Looking at the details, I saw the following “Result Code: E_FAIL (0x80004005) …

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In the previous post, How To Develop Firefox Extensions – Intro, we discussed the Chrome document’s DOM. In this post, we’ll learn how to create an add-on that can be installed.  In this post, we’ll learn how to access the Chrome document’s nodes, and to organize an XPI (Cross Platform Installer) file. XPI files are …

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