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Category: Electronics Engineering

Migrating a database from InnoDB to MyRocks | Engineering Blog | Facebook Code

Last year, we introduced MyRocks, our new MySQL database engine, with the goal of improving space and write efficiency beyond what was possible with compressed InnoDB. Our objective was to migrate one of our main databases (UDB) from compressed InnoDB to MyRocks and reduce the amount of storage and number of servers used by half. We carefully planned and implemented the migration from InnoDB to MyRocks for our UDB tier, which manages data about Facebook’s social graph. We completed the…

Researchers use Wii games to help Parkinson’s patients

A pair of Purdue University professors are using the popular Nintendo Wii gaming system to help people with Parkinson’s disease. Jessica Huber and Jeff Haddad from the College of Health and Human Sciences are studying how playing specially created games can improve a patient’s movement, speech and overall quality of life. By having study participants stand on a balance board and move a cursor to a specific target on a monitor, the researchers can study how brain activity and body…

Unmetered Mitigation: DDoS Protection Without Limits

This is the week of Cloudflare’s seventh birthday. It’s become a tradition for us to announce a series of products each day of this week and bring major new benefits to our customers. We’re beginning with one I’m especially proud of: Unmetered Mitigation. CC BY-SA 2.0 image by Vassilis Cloudflare runs one of the largest networks in the world. One of our key services is DDoS mitigation and we deflect a new DDoS attack aimed at our customers every three…

Virtual Income – Scam or Legit Software?

We have to start by doing a background examination of the meaning of Virtual Income. Now, binary options trading is a business model many people like to engage in because of the profits involved. As much as it has some risks to it, it cannot be compared to the joy derived from playing slots online, win real money and having that sort of entertainment. However, before you start trading binary options, you must have an account with one of the…

Blockchain for Enterprise : Developer’s Perspective and Insights

Do you know that financial services sector has majorly driven the blockchain framework? Well, this general consciousness has made blockchain a potential game changer. We have been ardently following this technology and in our last post we discussed “Building Your Own Blockchain”. Keeping the legacy forward, in this post we will discuss the technology fundamentals in blockchain for the enterprise. Let’s have a quick recap for the 4 building blocks of any blockchain solution. Shared Ledger A shared digital ledger…

It took 66 million years, but California gets state dinosaur

It took about 66 million years, but California finally has a state dinosaur. Gov. Jerry Brown announced Saturday the signing of a bill making Augustynolophus (Aw-gus-tin-o-lo-fus) morrisi the official dinosaur of the Golden State. Fossilized remains of the duckbilled creature that lived anywhere from 100 to 66 million years ago have been found only in California. Several other states and Washington, D.C., also have official dinosaurs. California has more than 30 state insignia including a state lichen—lace…

Shark fin bans might not help sharks, scientists say

In this Aug. 12, 2010, file photo, Joe Chan, chief chef of Sun Tung Lok Chinese Cuisine in Hong Kong prepares shark fin for cooking. Shark fins are most often used in a soup considered a delicacy in Asia. Environmentalists and animal advocates have long blamed the soup for the decline of some shark species. (AP Photo/Kin Cheung, File) As lawmakers propose banning the sale of shark fins in the U.S., a pair of scientists is pushing back, saying the…

Uber to blame for loss of license in city

An Uber App is displayed on a phone in London, Friday, Sept. 22, 2017. London’s transport authority said Friday it won’t renew Uber’s license to operate in the British capital, arguing that it demonstrates a lack of corporate responsibility with implications in public safety and security. (AP Photo/Kirsty Wigglesworth) London’s mayor said Saturday that people angry about the decision by transit authorities to strip Uber of its license to operate in the city should blame the ride-hailing company itself. “I…

The Sun rises in new play about Murdoch’s tabloid revolution

In this Thursday, Sept. 21, 2017 photo, British playwright James Graham poses for a photograph, outside The Duke of York’s Theatre which is currently showing his play ‘Ink’, in London. Rupert Murdoch has power, wealth—and legions of detractors, who say the media mogul’s tabloids and TV stations have fueled crass celebrity culture, phone hacking and fake news. A new play in London explores the roots of his success and his divisiveness. Ink” shows how Murdoch revolutionized British journalism, turning the…

A New API Binding: cloudflare-php

Back in May last year, one of my colleagues blogged about the introduction of our Python binding for the Cloudflare API and drew reference to our other bindings in Go and Node. Today we are complimenting this range by introducing a new official binding, this time in PHP. This binding is available via Packagist as cloudflare/sdk, you can install it using Composer simply by running composer require cloudflare/sdk. We have documented various use-cases in our “Cloudflare PHP API Binding” KB…