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Engineering News

Meet Uber Sofia’s Women in Tech

Established in 2014 as one of Uber’s first distributed technical sites, the Uber Sofia, Bulgaria office houses our tax and compliance engineering teams. With over 50 engineers and counting, this group is responsible for developing and scaling technologies that provide our services with key reporting and compliance capabilities, including generating invoices and email receipts related to trips or food deliveries, assembling periodic tax reports for our partners, and facilitating real-time tax calculation in line with local regulations around the world.…

How to block new antibiotic resistance gene — ScienceDaily

A new antimicrobial-resistance gene, VCC-1, a ß-lactamase gene, has been discovered in benign close relatives of virulent Vibrio cholerae, which causes cholera. Now, a team of Canadian researchers has found a way to block the VCC-1 enzyme, which disables that resistance gene. The research is published February 19th in Antimicrobial Agents and Chemotherapy, a journal of the American Society for Microbiology. VCC-1 was first found in Canada, by investigators from the Public Health Agency of Canada, on frozen shrimp that…

Zephy McKanna on Multi-Armed Bandits – Wayfair Tech Blog

This week, Zephy McKanna sets out to explain Multi-Armed bandits. Here at Wayfair, we are constantly testing new algorithms, product sort orders, marketing, and other messages using epsilon-first Multi-Armed Bandits – also known as A/B tests. We are also employing some more interesting MAB algorithms, like Thompson Sampling, to dynamically balance traffic during tests on low-traffic portions of the site (like holiday décor), as well as for some long-standing dynamic problems like choosing the top N among the ever-changing sales…

Introducing AVS, an Open Standard for Autonomous Vehicle Visualization from Uber

Understanding what autonomous vehicles perceive as they navigate urban environments is essential to developing the systems that will make them operate safely. And, just as we have standards for street signs and traffic infrastructure to help human drivers, autonomous vehicle developers would be well-served by a standard visualization platform to represent input from sensors, image classification, motion inference, and all other techniques used to build an accurate image of the immediate environment. As we’ve written before, the Advanced Technologies Group…

Announcing workers.dev

We are working really hard to allow you to deploy Workers without having a Cloudflare domain. You will soon be able to deploy your Cloudflare Workers to a subdomain-of-your-choice.workers.dev, which you can go claim now on workers.dev! Why are we doing this? You may have read the announcement blog post for Workers (or one of the many tutorials and guest posts), and thought “let me give this a try!”. If you’re an existing Cloudflare customer, you logged into the dashboard,…

Develop[Her] focuses on supporting women in computing

Paul Orton, Jamie Flores and Madison Williams co-founded Develop[Her], a student org for women in technologically focused areas. Women working in computer science-related professions has dropped from 35 percent in the 1990s to 24 percent in 2017. Nearly 37 percent of all computer science undergraduate students were women in the mid-1980s. As of 2011, that number has plummeted to 17.6 percent. Per Harvard Business Review, the stressors of being female in a male-dominated field are a major factor in why…

MU Civil Engineering grad student earns renowned Eisenhower Fellowship

Jacob Kaltenbronn wasn’t planning on going to graduate school. Then he landed an undergraduate research opportunity in Professor Carlos Sun’s transportation laboratory. And now, he’s the recipient of a prestigious graduate fellowship. Jacob Kaltenbronn, right, shows off his certificate for the Dwight D. Eisenhower Transportation Fellowship with his adviser, Carlos Sun. Photo courtesy of Jacob Kaltenbronn. Kaltenbronn, a Civil and Environmental Engineering graduate student, was one of less than 200 students nationwide to earn a Dwight D. Eisenhower Transportation Fellowship…

Mizzou Engineering duo wins national Traffic Control Device Challenge

Zhu Qing and Jacob Kaltenbronn’s design was a vision-based pedestrian indicator light which would help drivers be more aware of pedestrians. Jacob Kaltenbronn and Zhu Qing are veteran competitors in the Traffic Control Device Challenge (TCDC), but this time they took home the gold. The TCDC is a national competition put on by the Transportation Research Board (TRB) and the American Traffic Safety Services Association (ATSSA) to generate innovative designs aimed at improving traffic safety. The theme of this year’s…

TCP splicing of the future

Recently we stumbled upon the holy grail for reverse proxies – a TCP socket splicing API. This caught our attention because, as you may know, we run a global network of reverse proxy services. Proper TCP socket splicing reduces the load on userspace processes and enables more efficient data forwarding. We realized that Linux Kernel’s SOCKMAP infrastructure can be reused for this purpose. SOCKMAP is a very promising API and is likely to cause a tectonic shift in the architecture…

Microsoft Puts NewsGuard On Duty

At beaches and pools you’ll sometimes see a notice that reads “Lifeguard On Duty,” or more often, “No Lifeguard On Duty—Swim At Your Own Risk.”  Recently Microsoft, originator of the Edge mobile browser, started including a feature in it called NewsGuard.  The user must activate it, but once he or she does, every news site that’s been rated by NewsGuard (about 2000 so far) gets either a green checkmark or a red exclamation point.  Green means the site has passed…