Do you know a bit of R and have some data you need to visualize quickly? In this blog post we take a look at Rstudio’s Shiny package and the first steps toward creating a working interactive to explore your data with it. What is Shiny? Shiny is a framework to develop web-based frontends for […]

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Adam Sontag came to Bocoup with a reputation for community support. Between his tireless commitment to newcomers in the #jquery IRC channel on freenode.net and his commanding presence on the yayQuery podcast, if you were learning jQuery in 2010, you probably got a tip or two from Adam. (We’d be remiss if we neglected to […]

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If you’ve had any contact with JavaScript code, you’re probably very familiar with how to define and call functions, but are you aware of of how many different ways you can define a function? This is a common challenge of writing and maintaining tests in Test262—especially when a new feature comes into contact with any […]

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Recently, I had the opportunity to contribute to a massive, meaningful effort: the open-source Web Platform Tests (WPT) project. My task was to improve WPT test coverage for areas of the HTML specification dealing with navigation —things like the details of loading new web pages, browsing around the web, and opening new windows. I didn’t […]

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On February 15, 2017 we had a screencast to talk about how to improve webpack build times by utilizing the new webpack HardSource plugin created by our colleague Z Goddard. This post contains the video of that event along with a transcript and visual aids. If you’re interested in learning more about webpack, check out […]

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A webpack loader is a Node module that tells webpack how to take some input content and transform it into output JavaScript. I often build one-off loaders to experiment or fulfill specific needs for projects—their most basic interface is simple, but can get a lot done. They can be pretty easy to follow and understand, […]

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In part one of this series we started learning how to make maps rendered by WebGL, a browser based hardware-accelerated graphics API for 2D and 3D graphics. Our access to this technology was via Tangram, a map rendering library from Mapzen. This post will focus primarily on shaders, those perplexing parallel programs that power our […]

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NVDA stands for NonVisual Desktop Access and is a FREE screen reading app for Windows OS. Emphasis on the “free”, as there are other Windows screen readers out there with prices that will make you spit-take across your monitor. (Is there such a thing as a subtweet inside a blog post?) If you do end […]

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Sometimes in life, you’ve just gotta move thousands of points around on the screen. For hundreds of points, this can be accomplished with D3 through d3-transition on SVG nodes, but this typically becomes too slow when you need to animate more than a thousand points. So how do you do it? Enter canvas. Each point […]

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Since starting our work on Test262, the official test suite for the ECMAScript programming language, we’ve seen our fair share of strange tests. For nerds like us, every test has the promise to teach us something new, make us laugh, or bury our head in our hands. But unlike choosing between movies, books, or 18th […]

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