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Engineering News

Prototyping with React VR – Airbnb Engineering & Data Science – Medium

At Airbnb, we’ve been using React to build user interfaces for our website since 2014. React has radically changed our approach to building UI, and we’ve been active contributors to the open source community with projects such as Enzyme, Hypernova, react-sketchapp, react-with-styles, react-dates, and react-native-maps. React VR provided a unique opportunity to leverage our expertise to rapidly test and iterate many of the VR ideas we’ve been playing with. To do this, we brought together a small team of React…

Scholars shed light on ‘moving target’ of drone regulation in the US

Credit: CC0 Public Domain For some, they’re a hobby. For other people, they’re tools. And for many, they’re just a big nuisance. Love ’em or hate ’em, drones—or, unmanned aerial systems—are increasingly a part of life for millions in the U.S. In fact, the Federal Aviation Administration estimates annual sales of drones should hit 7 million by 2020. But a growing thicket of regulations and laws can make drone operation confusing for hobbyists, commercial operators and researchers who use drones.…

Migrating to Espresso | LinkedIn Engineering

Babylonia makes direct writes to Espresso.   Ensuring consistencyWe’ve had three different processes writing data to our Espresso database: the bulk loader, the Databus listener, and Babylonia itself. One issue we needed to tackle was how we would allow these three writers to operate without conflicting. Consider the system at this stage, where Babylonia was performing dual writes. After writing directly to Espresso, Babylonia would write to Oracle, which generated a Databus event. When this event reached the Databus listener,…

Cicada wings may inspire new surface technologies

The wings of Megatibicen dorsatus, a prairie-dwelling cicada, are helping engineers design water-repellent surfaces. Credit: Catherine Dana Researchers are looking to insects – specifically cicadas – for insight into the design of artificial surfaces with de-icing, self-cleaning and anti-fogging abilities. Their wings allow cicadas to fly, of course, but they also are good at repelling water – a condition that humans can appreciate, too. “Our work with cicadas is letting us explore a field called bioinspiration,” said Nenad Miljkovic,…

Engineering Scalable, Isolated Mobile Features with Plugins at Uber

As Uber grows, we continue to refine our approach to architecting mobile applications in order to support the scale of our businesses. When apps grow it can become harder to add new features without breaking other features, experiment with existing features, and decide where new features should be integrated. Our investments in RIB architecture and plugin tooling over the last 18 months targeted these scaling problems and has allowed Uber engineers to measurably increase their productivity, and in many cases,…

Team finds reason behind defects in 3-D printing

High-speed images of a common laser-based metal 3D printing process, coupled with newly updated computer models, have revealed the mechanisms behind material redistribution, a phenomenon that leads to defects in printed metal parts. Credit: Lawrence Livermore National Laboratory High-speed images of a common laser-based metal 3-D printing process, coupled with newly updated computer models, have revealed the mechanisms behind material redistribution, a phenomenon that leads to defects in printed metal parts, Lawrence Livermore National Laboratory (LLNL) researchers reported. In a…

How to Remain Secure While Using Public Wi-Fi

We are stuck to our smartphones the whole day, and businesses are taking advantage of this addiction by offering free public Wi-Fi. It is now being offered almost everywhere and has become a way to attract more people to your business. It has worked wonders for owners all around the globe as they have started to get more and more customers, which comes as no surprise. People are addicted to their smartphones and internet, and when they are getting it…

The Languages Which Almost Became CSS

The history of all the languages which almost became CSS and the development of the styled web. When Tim Berners-Lee announced HTML in 1991 there was no method of styling pages. How a given HTML tag was rendered was determined by the browser, often with significant input from the user’s preferences. To many, it seemed like a good idea to create a standard way for pages to ‘suggest’ how they might prefer to be rendered stylistically. This was adapted from…

The Coffee Shop Kiosk – Square Corner Blog – Medium

When I joined the Developers team at Square, the first thing I did was build an application that uses our APIs. Every new engineer on the team does this (you can read about my colleague’s example Android app here) so that we can walk in our customers’ shoes. It’s become a great tool to reinforce feedback from developers when building real world applications. For my project, I chose to build a customer-facing kiosk application as we’re seeing more and more…

How we built automated support – Kickstarter Engineering

This is the story of how Kickstarter’s Data team collaborated with the Community Support team and the Engineering team to build a support automation tool called Sassy — and how our workplace collaboration was enriched in the process. Origins in empathy Successful companies tend to have a deep, fundamental empathy with their users. At Kickstarter we try to bring empathy to every part of the organization, from the design of human-oriented products to the care and tone of our Community Support emails. On…