This is part one in a series on the intersection of module bundlers and testing frameworks. Our focus will be webpack and jest but the techniques explored here can be reused with other tools as well. Modern websites and applications are routinely built by combining hundreds of small JavaScript modules. In order to increase the […]

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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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We are in the homestretch with our git workflow walkthrough. I knew we could do it! Last time, we looked at a few ways to review pull requests. In this final (for now!) installment, we will merge our reviewed changes back into master. Once your pull request reviewer is satisfied with the changes, you’ll get […]

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In many cases, a visual check of the changes via the PR page on GitHub is enough to give a +1 to changes. That’s how we did things in our previous walkthrough post. But sometimes, you want to try things out locally downloaded to your own machine to get a feel for what is really […]

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Learn JS Data is a new guide introducing JavaScript as a language that can support data processing and manipulation. While there are many great tutorials and examples for doing data processing in other languages, there appeared to be a deficiency of resources on data munging in JavaScript. And so, we have started to fill in […]

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Back in the day, before color printers (or printers at all), people still had to make good data visualization. One way to do that was by using patterns instead of solid colors to indicate changes in scale or category. For example, take a look at this set of pie charts, using different patterns for different […]

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In the first post in this series, I walked through inventory, preparation, calibration and assembly of the SumoBot Kit that was provided to all attendees of this year’s RobotsConf. From there, I showed how to control the bot with an Arduino Uno, Electric Imp and Spark Core. In this article, I’m going walk through two […]

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In the previous article, I walked through inventory, preparation, calibration and assembly of the SumoBot Kit that was provided to all attendees of this year’s RobotsConf. In this article, I’m going introduce a simple program to for controlling the assembled SumoBot with an Arduino Uno. This entire article will assume that the you have already […]

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In the previous article, I walked through inventory, preparation, calibration and assembly of the SumoBot Kit that was provided to all attendees of this year’s RobotsConf. In this article, I’m going introduce a simple program to for controlling the assembled SumoBot with a Spark Core. This entire article will assume that you have already read […]

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In the previous article, I walked through inventory, preparation, calibration and assembly of the SumoBot Kit that was provided to all attendees of this year’s RobotsConf. In this article, I’m going introduce a simple program to for controlling the assembled SumoBot with an Electric Imp. This entire article will assume that you have already read […]

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