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Engineering News

Turning Up The Volume: A New & Huge DDoS Attack Type

They say you can’t teach an old dog new tricks, but it would seem this saying only rings true when it comes to actual dogs. As a metaphor for any other type of old guard it tends to fall apart. There’s the reason the old guard is the old guard, and it’s because they’re good at what they do. Take professional DDoS attackers, for example. They were content to wait out the DDoS-for-hire trend, maybe even making some money renting…

New technology could revolutionize testing, tracking of brain performance

George Kondraske, a UTA electrical engineering and bioengineering professor, also is the chief architect at RC21X, a Coraopolis, Pa.-based company set on delivering the brain performance technology. Credit: UT Arlington A UTA engineering researcher has led the development of computer tests and games, that are both web-based and contained in a cell phone application, that show and track individual human brain functioning. George Kondraske, a University of Texas at Arlington electrical engineering and bioengineering professor, also is the chief architect…

How Does Performance Testing Work In iOS?

I was working on a mini project at Square involving performance unit testing for iOS — essentially, looking into how we could introduce performance unit testing, what our options are, and how it would scale on our CI (continuous integration). In focusing on the one tool Apple provides as part of its unit testing suite, the magical measureBlock method, the question was: how does it work? And, is this going to work for us and our CI process? What’s measureBlock? For those…

Growth engineering meetup – Pinterest Engineering – Medium

We recently hosted a SF Growth Engineering meetup at the Pinterest office to discuss how some of the most successful companies drive growth at scale. See the video below to hear what speakers from Pinterest, Airbnb and Twitter had to share. Synopsis of the talks Paid growth @ Airbnb Ganesh Venkataraman discusses the various channels and techniques used towards paid marketing at Airbnb as well as the underlying challenges around data/machine learning and attribution. Speaker: Venkataraman leads guest growth engineering at Airbnb.…

Wars and clan structure may explain a strange biological event 7,000 years ago — ScienceDaily

Starting about 7,000 years ago, something weird seems to have happened to men: Over the next two millennia, recent studies suggest, their genetic diversity -specifically, the diversity of their Y chromosomes — collapsed. So extreme was that collapse that it was as if there was only one man left to mate for every 17 women. Anthropologists and biologists were perplexed, but Stanford researchers now believe they’ve found a simple — if revealing — explanation. The collapse, they argue, was the…

The EventHorizon Saga – Code as Craft

This is an epic tale of EventHorizon, and how we finally got it to a happy place. EventHorizon is a tool we use to watch events streaming into our system. Events (also known as beacons) are basically clickstream data—a record of actions visitors take on our site, what content they saw, what experiments they were bucketed into, etc. Events are sent primarily from our web & API servers (backend events) and web browsers (frontend events), and logged in Kafka. EventHorizon…

From Beautiful Maps to Actionable Insights: Introducing kepler.gl, Uber’s Open Source Geospatial Toolbox

Maps are based on our physical world. We create maps using abstract shapes and colors to reveal geographic patterns and tell stories about human existence. At Uber, we leverage data visualization to better understand how our cities move. Our solutions enable us to embed maps with rich location data, render millions of GPS points in the a blink of an eye, and, most importantly, derive insights from them. Figure 1: The common process of creating a data visualization includes data…

Open Source at Uber: Meet Shan He, the Architect Behind kepler.gl

Like many engineers working in data visualization, Shan He’s path was far from traditional. After studying architecture for seven years, she realized that her interests in design were too diverse to be contained by the physical world. So she went back to the drawing board and pursued a master’s degree in design computation, acquiring the skills necessary to bridge the divide between atoms and bits. In the process, she fell in love with the interconnected worlds of open source software…

Design your custom payment form with SqPaymentForm – Square Corner Blog – Medium

Do you currently use the SqPaymentForm, but you want it to look sleek and professional? Now is your chance to figure out how to make it look like anything you want! Let’s get started. An aside: I assume that you have at least looked over the SqPaymentForm Overview page on Square’s doc site: https://docs.connect.squareup.com/payments/sqpaymentform/sqpaymentform-overview. If not, please do so now, because this article will refer to items from the doc site. Each individual input field in the SqPaymentForm will be…

Reconciling GraphQL and Thrift at Airbnb – Airbnb Engineering & Data Science – Medium

Our frontend engineers wanted rapid iteration and flexibility from GraphQL, while our backend engineers wanted stability and specificity from Thrift. This is the story of how we got the two groups talking and built something that works for everyone. Backend Engineer: Hmm. So you’re saying this “GraphQL” will allow any web or native engineer to arbitrarily query basically any field in any backend service, recursively, however they want, without any backend engineers involved? Frontend Engineer: Yeah, right? It’s amazing! […silence…]…