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Category: Electronics Engineering

Pre-Submit Integration Tests For Ads-Serving

Nishant Roy | Ads Serving Introduction & Background The ads-serving platform is the highest-scale, highest-complexity, and highest-velocity recommendation service at Pinterest. Our ads business is growing and expanding, and the ads engineering team is iterating quickly to continue to improve the system. Therefore, it is vital to keep the system healthy, in order to protect Pinner experience, business health, and maintain a high developer velocity. Ever since the first ad was shown on Pinterest, all our ads-serving backend services have been…

Pointed tips on aluminum ‘octopods’ increase catalytic reactivity — ScienceDaily

Points matter when designing nanoparticles that drive important chemical reactions using the power of light. Researchers at Rice University’s Laboratory for Nanophotonics (LANP) have long known that a nanoparticle’s shape affects how it interacts with light, and their latest study shows how shape affects a particle’s ability to use light to catalyze important chemical reactions. In a comparative study, LANP graduate students Lin Yuan and Minhan Lou and their colleagues studied aluminum nanoparticles with identical optical properties but different shapes.…

How Our Paths Brought Us to Data and Netflix | by Netflix Technology Blog | Sep, 2020

[Chris] Julie and I joined the Streaming DSE team at Netflix a few years ago and have been close colleagues and friends since then. At work, we regularly lean on each other for help based on our respective areas of expertise — I bring my breadth of big data tools and technologies while Julie has been building statistical models for the past decade. Outside of work, we share a love of good food and coffee, exchanging tips on making espresso.…

my intern project using eBPF

Cloudflare’s globally distributed network is not just designed to protect HTTP services but any kind of TCP or UDP traffic that passes through our edge. To this end, we’ve built a number of sophisticated DDoS mitigation systems, such as Gatebot, which analyze world-wide traffic patterns. However, we’ve always employed defense-in-depth: in addition to global protection systems we also use off-the shelf mechanisms such as TCP SYN-cookies, which protect individual servers locally from the very common SYN-flood. But there’s a catch:…

Ecologists sound alarm on plastic pollution — ScienceDaily

Ecologists studying the prevalence of plastic pollution in aquatic ecosystems around the world are concerned after measuring the scale of human response needed to reduce future emissions and manage what’s already floating around out there. “Unless growth in plastic production and use is halted, a fundamental transformation of the plastic economy to a framework based on recycling is essential, where end-of-life plastic products are valued rather than becoming waste,” says Chelsea Rochman, assistant professor in the Department of Ecology &…

Employers Prepare for Virtual Career Fair

Students aren’t the only ones preparing for the Mizzou Engineering Virtual Career Fair on Wednesday, Sept. 23. Employers are as well. More than 140 organizations have registered to recruit Mizzou Engineering students and alumni from all backgrounds and majors. In fact, many of these companies are currently searching profiles and resumes of those who have already registered ahead of the event. Using the platform CareerEco, employers can search candidates before, during and after the event. They can also set up…

Generate Sub-1-Volt Rails Using Standard Regulators

Download this article in PDF format. You can generate a tiny dc supply voltage of a just a few hundred millivolts using an additional positive voltage connected to the feedback resistor of a dc-dc converter. The need for such a low-voltage rail is increasingly commonplace as supply voltages for electronic components have been decreasing steadily over the last few years. This is largely due to the decreasing size of the geometrical structures in digital circuits such as microcontrollers, CPUs, DSPs,…

The Challenge of Power-Supply Design

Download this article in PDF format. When do you get around to designing the power supply for your new product? Before, after, or during product development? Whatever your approach, you probably need an ac-dc supply, perhaps with some dc-dc converters, to provide some of the multiple dc voltages needed in a sophisticated design. It used to be so easy. All it took was a step-down transformer, a rectifier, and a big filter capacitor followed up with an IC linear regulator.…

Helping members discover communities around interests

Sample of our recommendation card templates  Unified funnel tracking event In building an AI-first platform, it’s important that the infrastructure is built around helping our AI systems continuously learn and improve their recommendations for members. A key part to deliver this is by building a solid tracking system that is: Simple for partner teams to onboard and leverage Efficient for data scientists to analyze product impact Reliable for application owners to monitor and debug Comprehensive for relevance iteration and empowering…

How to Handle Small Components

Download this article in PDF format. Use of surface-mount technology (SMT) in consumer products offers a major competitive advantage—they enable significant design miniaturization. Surface-mount devices (SMD) come in a variety of standard packages like the miniature 0201 and 01005, as well as SOT, SIOC, QFP, and BGA packages. OEMs can either make their products smaller or integrate more features into the same product size. However, one critical aspect of successfully using such small components in any product is the ability…