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    Build Firefox Faster with Artifact Builds

    Working on Firefox DevTools has always been a dream of mine, mostly because it feels like the ultimate way to give back to the development community and those that helped me become a success.  And when I explain who Mozilla is and people ask "Oh, so...

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    Realtime Cryptocurrency Rates API with coinlayer

    Last year when cryptocurrencies were gaining massively in value each month, I badly wanted to create a personal web project which would let me quickly buy and sell crypto outside of brokers like Coinbase; the problem I ran into was not having a reliable API...

  • Request Metrics real user monitoring
    Request Metrics real user monitoring
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    Script & Style Show: Episode 16: JavaScript & LEDs with Kristina Durivage

    In this episode:  Todd's back from an amazing conference and David sees this week's guest as being the ticket to making his kids thing he's a super hero.  The amazing Kristina Durivage stops by to talk JavaScript, electrical engineering and unusual uses of LEDs for programming...

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    8 Digit Hex Colors

    One of the most requested capabilities in my early days of web development was the ability to set opacity on elements and even PNG images without the need for browser-specific CSS or hacks.  Eventually we got native opacity support and even enjoyed rgba(), the ability...

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    Script & Style Show: Episode 15: CSP with Scott Helme

    In this episode:  Todd dials in from a poppin' KCDC while David dials in with a massive headache.  Scott Helme dials in from lovely Manchester to discuss web security, specifically the criminally underused CSP API.  Join us to learn what CSP is, why it's important, how...

  • Request Metrics real user monitoring
    Request Metrics real user monitoring
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    Search Git Commits Between Dates

    One of my weaknesses as a developer is relying on UIs to provide me the data I need.  It's not a fatal weakness but it does hamper me a bit.  One prime example is relying on GitHub's interface to review changes; git's command line provides the...

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    How to Hide Information in Images

    If you've followed this blog, you know that I'm obsessed with figuring out every way to interact with, abuse, and convert different types of media.  Whether it's images, video, or audio, if something can be changed or exploited, I want to figure out how to do...

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    Script & Style Show: Episode 14: CSS filters and mix-blend-mode with Tim Thomas

    In this week's episode:  David uses City Slickers to illustrate his sorrow over turning 35 years old while Todd tries to talk him down.  Tim Thomas stops by to demo some really awesome animated effects you can do with CSS' mix-blend-mode and filter.  The demos are outstanding...

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    Script & Style Show: Episode 13: Decentralized Identity with Daniel Buchner

    In this episode:  David and Todd return from travels to San Francisco, Oslo, and Iceland, Todd reveals he's a new (dog) father, and they welcome guest Daniel Buchner, a Senior PM for Microsoft's Decentralized Identity team.  Daniel shares his knowledge about blockchain and crypto, then moves...

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    Fix Flow Node Issue “property querySelector of unknown”

    Flow, the static type checker used in many React projects, feels like a gift and a curse at times; a gift in that it identifies weaknesses in your code, and a curse that sometimes you feel like you're needlessly adjusting your code to satisfy Flow. ...