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Category: Computer Engineering

RFC8482 – Saying goodbye to ANY

Ladies and gentlemen, I would like you to welcome the new shiny RFC8482, which effectively deprecates the DNS ANY query type. DNS ANY was a “meta-query” – think of it as a similar thing to the common A, AAAA, MX or SRV query types, but unlike these it wasn’t a real query type – it was special. Unlike the standard query types, ANY didn’t age well. It was hard to implement on modern DNS servers, the semantics were poorly understood…

Unit Testing Worker Functions

If you were not aware, Cloudflare Workers lets you run Javascript in all 165+ of our Data Centers. We’re delighted to see some of the creative applications of Workers. As the use cases grow in complexity, the need to sanity check your code also grows.   More specifically, if your Worker includes a number of functions, it’s important to ensure each function does what it’s intended to do in addition to ensuring the output of the entire Worker returns as…

Home Automation Advantages Which Homeowners Should Know

Home automation is a topic of interest that is quickly growing in popularity among homeowners and it is really easy to understand why since we are faced with numerous interesting benefits that are made possible. The truth is that home automation is just making its first steps in evolution. Only the future can tell what will be possible but since technology advances at the pace that it does, the industry might actually be limitless. Home automation benefits normally fall into…

Airbus trials drone delivery to ships

Singapore is aiming to use drones for parcel delivery, inspecting buildings, providing security and other jobs Airbus on Friday began trials of drones delivering parcels to ships anchored offshore in Singapore, as the high-tech city rolls out the devices for an array of tasks. Singapore is aiming to use drones for parcel delivery, inspecting buildings, providing security and other jobs, and is working with companies and regulators to put the ambitious plan into action. European aerospace giant Airbus said…

#BalanceforBetter: International Women’s Day Engineer Spotlight, Part 2

What was a challenge you were faced with during the project and how did you overcome it?The LinkedIn feed is the default landing page for members and drives a significant amount of site traffic and member engagement. In working with the feed, we cannot afford to hamper feature iteration or degrade the existing product experience, such as site-speed. That’s why it has been extremely important for this initiative to intelligently manage risk and ensure platform stability. This was particularly challenging…

DBEvents: A Standardized Framework for Efficiently Ingesting Data into Uber’s Apache Hadoop Data Lake

Keeping the Uber platform reliable and real-time across our global markets is a 24/7 business. People may be going to sleep in San Francisco, but in Paris they’re getting ready for work, requesting rides from Uber driver-partners. At that same instant, halfway around the world, residents of Mumbai might be ordering dinner through Uber Eats. We facilitate these interactions on Uber’s Big Data platform, using our marketplace to match riders and driver-partners; eaters, restaurants, and delivery-partners; and truck drivers and…

Touchscreens go 3-D with buttons that pulsate and vibrate under your fingertips

The first touchscreen that taps back: Engineers Sophie Nalbach and Steffen Hau from Stefan Seelecke’s team test the prototype system that will be exhibited at Hannover Messe. Credit: Oliver Dietze By pulsing or vibrating on demand, smartphone screens can help users navigate through a menu or can guide a user’s finger to virtual on-screen buttons that can be created or removed wherever and whenever needed. Professor Stefan Seelecke and his team at Saarland University have developed a film that gives…

Defining a career path for Developer Relations – Several People Are Coding

Developer Relations (DevRel) is an interdisciplinary role that sits in a border space between product, engineering, and marketing. The daily work looks very different from company to company, and because DevRel is often rolled into other organizations like product or marketing, it may not have its own separate career path – a document that describes expectations for your work at varying levels of seniority. In recent months, more and more DevRel managers and ICs (individual contributors, meaning you don’t manage…

Sidewalk Design Parameters – UrbanWorkbench

If you are like most people you probably haven’t ever considered how to best design a sidewalk; for many people, its as simple as asking, “is there one or not”. But if you are like me, you understand that sidewalk design can play a huge role in the vibrancy of street-level activity, allowing businesses to thrive and acting as the “front steps” to a city. The design and operation of sidewalks has been an area of interest for me throughout…

Mizzou Engineering Ambassadors spread love of College

Members of Mizzou Engineering Ambassadors, such as Leah Albietz, handle tours for prospective students and their families, welcome alumni returning to the College for a visit, attend many student recruitment events and fairs and much more. If you’ve ever taken a tour of Mizzou Engineering or happened by one in action, you’re familiar with their faces. These energetic engineers are all too happy to show people around and share their love for their College. The Mizzou Engineering Ambassadors are, in…