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Category: Computer Engineering

Introducing LCA: Loss Change Allocation for Neural Network Training

Neural networks (NNs) have become prolific over the last decade and now power machine learning across the industry. At Uber, we use NNs for a variety of purposes, including detecting and predicting object motion for self-driving vehicles, responding more quickly to customers, and building better maps. While many NNs perform quite well at their tasks, networks are fundamentally complex systems, and their training and operation is still poorly understood. For this reason, efforts to better understand network properties and model…

Heating pads may lower blood pressure in people with high blood pressure when lying down — ScienceDaily

Applying a heating pad overnight may help people with supine hypertension, a condition that causes their blood pressure to increase when they lie down including during sleep, according to preliminary results presented at the American Heart Association’s Hypertension 2019 Scientific Sessions. Supine hypertension is present in about half of people with autonomic failure, a chronic degenerative disease that affects the part of the nervous system that regulates involuntary functions such as blood pressure and heart rate. Overnight increases in blood…

How diet changes can sustain world’s food production — ScienceDaily

If you wanted to really mess with the world’s food production, a good place to start would be in Morocco. They don’t grow much here, but it is home to mines containing most of the world’s known reserves of phosphate rock, the main source of the nutrient phosphorus. Most of us across the globe, most days, will eat some food grown on fields fertilized by phosphate rock from these mines. Phosphorus is an essential mineral to grow food, but research…

Introducing Cyborg, an Open Source iOS Implementation of Android VectorDrawable

Creating high quality mobile apps requires engineers to implement designs on multiple platforms. While visual idioms such as tab bars, toasts, or even some icons may be platform specific, one thing that rarely changes between iOS and Android are the illustrations, which designers often leverage for visual impact, to simplify complex concepts, or to provide an enjoyable user experience.  Unfortunately, the pipeline for integrating assets is rarely as enjoyable. Since iOS has no native support for vector formats, designers are…

Fast WordPress Sites with Bluehost & Cloudflare Workers

WordPress is the most popular CMS (content management system) in the world, powering over a third of the top 10 million websites, according to W3Techs. WordPress is an open source software project that many website service providers host for end customers to enable them to build WordPress sites and serve that content to visitors over the Internet.  For hosting providers, one of the opportunities and challenges is to host one version of WordPress on their infrastructure that is high performing…

Our journey to type checking 4 million lines of Python

Dropbox is a big user of Python. It’s our most widely used language both for backend services and the desktop client app (we are also heavy users of Go, TypeScript, and Rust). At our scale—millions of lines of Python—the dynamic typing in Python made code needlessly hard to understand and started to seriously impact productivity. To mitigate this, we have been gradually migrating our code to static type checking using mypy, likely the most popular standalone type checker for Python.…

Don’t work in the lab alone – The Safety Zone

Posted By Jyllian Kemsley on Sep 4, 2019 in Featured, Safety Culture, Videos | Working in a lab is safe most of the time, “except when it isn’t, and that’s when being alone compounds the danger,” says a new lab safety video about working alone. You can watch it on YouTube or download it for offline viewing from the American Chemical Society’s Division of Chemical Health and Safety website. The video is the second produced by the…

A Guide on CRM Development Cost

The average CRM development cost is around $50,000, depending on the project scope and first build requirements. While this is a hefty price tag for most startups, setting up a CRM requires continuous investment. This means that the investment will spread through a 3-10 year time span. More existing cloud services and CRM systems have a price per user model. Meaning, the more your team grows in size, the more you will have to pay regularly. Custom modules and other…

MU’s Cheng utilizing deep learning expertise for key federal biofuel project

“You’re trying to find plants and algae and things of that nature that you can use as biofuels and start to replace some of our dependence on fossil fuels,” MU’s Jianlin Cheng said. Photo by Todd Diemer on Unsplash. Mizzou Engineering’s Jianlin Cheng has put his world-class protein prediction skills to stellar use in the field of healthcare, and now, he’s part of a critical effort in bioenergy — one that could dramatically improve the prospects of biofuels as fossil…

Bacteria in pneumonia attack using bleaching agent — ScienceDaily

Research shows that bacteria use hydrogen peroxide to weaken the immune system and cause pneumonia. This according to a study at Umeå University and Stockholm University, Sweden. Hydrogen peroxide is also known as a bleaching agent that is used to whiten teeth or hair, as a stain remover, as well as for cleaning surfaces and disinfecting wounds. “By using hydrogen peroxide to defeat the immune system, you could say that the bacteria are fighting fire with fire. The body itself…