Shell Tutorials

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    Reset File Changes with git

    There are many different philosophies when it comes to code review but mine is fairly simple:  I like receiving early "work in progress" patches, I like to be positive in my code review messages, and if a patch is 90% there, I like to finish the...

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    Set a Default Push Remote with git

    During my early days of git usage, my config allowed me to simply type git push instead of git push {origin} {branch_name} which I need to now.  Up until recently I needed to type out the long version...(I know)...which was incredibly annoying because I like using detailed branch...

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    Find Empty Files and Directories from Command Line

    If you are anything like me, you like to keep your projects as tight as possible.  By "tight" I mean no lingering, useless files or directories, because bloat is an incredible annoyance and distraction.  And we don't want distractions, do we? There's a really easy way to...

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    How to Create and Manage CRON Jobs

    Interval or scheduled task execution is used all over computer science, the most obvious use case being transaction batching.  For web developers like myself, the most obvious use case is executing CRON jobs for this blog, including polling for scheduled blog post publishing and a variety...

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    Detect Video Resolution

    Video resolution has always been something I've been interested in, starting with the purchase of my first HD television.  The HD video quality felt life-changing, especially when watching the World Cup, which I'd bought that TV for.  I carried that enthusiasm through to being an early...

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    Faster PR Pulls with Git Aliases

    I love the traditional GitHub workflow of receive pull request, pull down pull request to test, and merge the pull request.  GitHub makes the first and the third steps easy but pulling down pull requests from new contributors requires some boilerplate work that annoys me... ...namely navigating...

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    Create a Password Protected ZIP

    Have you ever wanted to put very basic security (a passphrase) on a file?  You can do so if you ZIP the file -- let's have a look at how you can password-protect a ZIP file! Creating a password protected ZIP file from command line is done...

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    Convert JPG, PNG, and Animated GIF to WEBP

    New image formats like WEP and MOZJPEG will be a major boost to load time on the web.  The majority of page load and render time is usually attributed to unoptimized images, so these new formats will make both mobile and desktop load times faster.  I've...

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    Create Context Menu Items in Mac Finder

    As much as I like exercising my command line skills, for many tasks I'd rather click a time or two.  The problem is that yarn install, brew install, and other package managers don't come with UI extending capabilities...so knowledgable people like us need to find a...

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    How to checksum

    Many of us see the term checksum and checksum outputs frequently but don't really take the time to run them -- oftentimes we simply trust the file we've downloaded is in working order and from the original source.  This past weekend when I was attempting to...