Setting up Arcanist for Mozilla development on Windows

Note: Since I first published this, Mozilla have created a Windows specific guide to address this same topic. I encourage people to use Mozilla's guide -- my original guide was intended to provide a stop gap while waiting for something like the above. Mozilla is rolling out Phabricator as part…

Read this article

Why Does Firefox Use e4 and e5 Values to Fill Memory?

I was once talking to some colleagues about a Firefox crash bug. As we gazed at the crash report, one leaned over and pointed at the value in one of the CPU registers: 0xe5e5e5e9. “Freed memory,” he sagely indicated: “e5”. Magic debug numbers Using special numbers to indicate something in…

Read this article

Debug Rust on Windows with Visual Studio Code and the MSVC Debugger

Debugging support for Rust when using the Microsoft Visual C++ (MSVC) toolchain is something that a lot of people (myself included) would really benefit from. There have been some improvements in this area that enable better debugging in Visual Studio Code (with a bit of tweaking)! Let's take a look…

Read this article

Migrating From LastPass to KeePass

I've recently been trying out KeePass 2 as an alternative to LastPass, in this post I'm going to go briefly into why I made the switch, and detail how you can do so with a fairly minimal amount of pain. If you're just interested in how to migrate, you can…

Read this article

Dissecting Firefox's -no-remote option

Starting multiple instances of Firefox is something I've done countless times, in order to test different versions and use different profiles. In order to do so I use the handy-dandy -no-remote option. However, the documentation on -no-remote is a little sparse. So let's looks at what the option really does,…

Read this article