Shell Tutorials

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    Detect git Directory with Bash

    One interesting aspect of working at Mozilla is that Firefox lives in a mercurial repository while several other projects live on GitHub in a git repository. While most focus on either Firefox or another project, I switch between both, leaving me running git commands inside...

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    How to Set a Default Commit Message

    Having a default commit message is really useful for a number of reasons:It can formalize your commit messagesIt serves as a good reminder for the information you should add to your commit message, like issue numberIf you set it to "Drunk AF, don't accept this"To set...

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    How to Specify User Agent with cURL

    Over the years I've shared how to perform a number of actions with cURL: how to send POST data, how to retrieve headers, follow redirects, check GZIP encoding, and more. Another useful cURL directive is sending the user agent, as some...

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    View Mac Calendar from Command Line

    As someone that loves using UI tools, I do pride myself in learning how to accomplish the same feats from command line. Don't believe me? Check out my Command Line tutorials section -- I guarantee you'll learn quite a bit. Recently I learned that you...

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    Git Branch Autocompletion

    Naming git branches is something most of us have down to a science. My branch naming pattern is usually {issue number}-short-feature-description, though many developers prefer to lead with the description and end with the issue.Regardless of the pattern you use, having a feature like autocomplete...

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    Validate CSP from Command Line

    The content security policy spec has been an amazing front-end security tool to help prevent XSS and other types of attacks. I'd go as far to say that every site should implement as specific CSP as possible. If you aren't familiar with CSPs...

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    Mirror Android Device to Computer

    As I continue my adventure into Android development, pair programming has been a huge help in learning this new platform. When it's time to build and run the app, relying on the emulator is a fools' game -- the emulator is slow and it's hard to...

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    Firefox Kiosk Mode

    As someone who loves the HTML and web APIs, I want to see them used in all different types of devices and mediums. Being that I work for the amazing Mozilla Corporation, seeing Firefox and the gecko web engine thrive in those spaces is important...

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    How to Create a QR Code

    QR codes aren't everyone's cup of tea but I quite like them. If I see something I want to remember or check out later, especially when on the road, it's super easy to take a quick picture -- it's much easier than trying to remember a...

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    Stop Installing Packages Globally

    These days, most front-end projects are going to involve NPM packages of some kind. Occasionally, when browsing documentation for these packages, I’ll see a recommendation to install a package like this.Or like this.In both of these examples, the package is installed globally. This means you can...