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Category: Telecommunications Engineering

Resilience Engineering at LinkedIn with Project Waterbear

Our latest home page depends on more than 550 different endpoints in its dependency tree. It is very difficult for developers to ensure expected “graceful” degradation on the home page for every failure scenario involving this many endpoints. With LinkedOut, we implemented a “disruptor” filter in the Rest.li client. In this filter, we inspect the LiX context for member ID and treatment. The member ID will decide if this request should be disrupted, and the LiX context will determine which…

Cloudflare Wants to Buy Your Meetup Group Pizza

If you’re a web dev / devops / etc. meetup group that also works toward building a faster, safer Internet, I want to support your awesome group by buying you pizza. If your group’s focus falls within one of the subject categories below and you’re willing to give us a 30 second shout out and tweet a photo of your group and @Cloudflare, your meetup’s pizza expense will be reimbursed. Get Your Pizza $ Reimbursed » Developer Relations at Cloudflare…

Digital 3-D-fabrication technology for nursing and healthcare

A 3D printer used by Keio researchers to digitally fabricate objects such as a pen holder and cranial model for nursing and healthcare. Credit: Keio University Social Fabrication Lab 3-D printing technology has important medical applications, such as manufacturing prosthetic parts, implants, and models of human organs. Here, researchers at Keio University in Tokyo, describe the potentially important role of 3-D printing in nursing and long-term care for the elderly. Given Japan’s rapidly ageing society, demand for terminal care in…

Content Curation Made Easy with Joomla – Here’s How It Works!

If you have the target of expanding your library of tools for content curation, Joomla is a practical option that you might choose to explore. Joomla is an excellent content management system, and it has received some awards. With the aid of Joomla, you efficiently can create robust websites and other applications on the Internet. Esteemed organizations like Harvard and IHOP use Joomla for their sites. It is free, and with it, you can build websites that are functional and…

Privacy Pass – “The Math”

This is a guest post by Alex Davidson, a PhD student in Cryptography at Royal Holloway, University of London, who is part of the team that developed Privacy Pass. Alex worked at Cloudflare for the summer on deploying Privacy Pass on the Cloudflare network. During a recent internship at Cloudflare, I had the chance to help integrate support for improving the accessibility of websites that are protected by the Cloudflare edge network. Specifically, I helped develop an open-source browser extension…

Fully integrated circuits printed directly onto fabric

Sample circuit printed on fabric. Credit: Felice Torrisi Researchers have successfully incorporated washable, stretchable and breathable electronic circuits into fabric, opening up new possibilities for smart textiles and wearable electronics. The circuits were made with cheap, safe and environmentally friendly inks, and printed using conventional inkjet printing techniques. The researchers, from the University of Cambridge, working with colleagues in Italy and China, have demonstrated how graphene – a two-dimensional form of carbon – can be directly printed onto fabric to…

4 Cool Things You Didn’t Know Drones Could Do

Many of today’s consumers consider drones to be objects for recreational or governmental use. Drones are very powerful flight systems that can transport from one location to another, carrying items while recording along the way. As technology progresses, it seems their are limitless capabilities for what drones can achieve. Startups and major corporations are pushing the boundaries of tech to see how far they can take their drones. One thing is for sure: drones will be a large part of…

A new breathing monitor signals the coming generation of pervasive healthcare

Credit: 9nong, Shutterstock Pervasive healthcare is an approach which addresses the challenge of straining health services with evidence-based, preventative strategies. The increased accessibility of personal monitoring devices is helping breathe life into efforts. Researchers recently announced the development of technology which can monitor breathing rates using mobile phones. The team, publishing their results in the journal Biomedical Optics Express, report how they created new software to be used in conjunction with an inexpensive thermal camera. Breathing rates were tested in…

Too Many Ways to Talk

If you work in an office and want to get in touch with someone else in your organization, what is the first thing you think of?  Emailing?  Texting?  Phoning?  Walking down the hall?  For some people, the number of choices is getting to be a problem, according to a recent article in the Boston Globe.  There are chat programs like Slack, teamwork coordination programs like Trello, and don’t forget Google Calendar (I usually do).  And there’s the occasional oddball in…

Testing D3 Transitions – Wealthfront Engineering Blog

Transitions are an important tool in our D3 arsenal that we can leverage to relate understanding of visualizations to others. They can be used to draw attention to some representation of the data, emphasize change, or highlight the effects of user interaction, among other things. Given these benefits, it’s critical in a test-driven culture like ours that tests be able to handle transitions. This blog has touched extensively on our journey with D3, which can be read about here: The…