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Major data center outages: causes and consequences

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Modern data centers are reliable; however, any equipment can break down from time to time. In this brief note, we have compiled the most significant incidents of 2018. The impact of digital technologies on the economy is growing, the volumes of processed information are increasing, new facilities are being built, and this is good as long as everything works. Unfortunately, the impact of data center failures on the economy has also been increasing since people started […]

A new class of vulnerabilities has been introduced in Intel processors.

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Intel has published information about a new class of vulnerabilities in its processors — MDS (Microarchitectural Data Sampling). Like previous Spectre-class attacks, these new issues can lead to the leakage of sensitive data from the operating system, virtual machines, and foreign processes. It is claimed that the problems were first identified by Intel employees and partners during an internal audit, after which the information was provided […]

CampusInsight: from infrastructure monitoring to user experience analysis

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The quality of a wireless network is inherently included in the concept of service level. And if you want to meet the high demands of customers, you need not only to quickly address emerging network issues but also to anticipate the most common ones. How to achieve this? Only by tracking what is truly important in this context — user interaction with the wireless network. Network loads continue to […]

Launching Instrumentation Tests in Firebase Test Lab. Part 1: iOS Project

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My name is Dmitry, and I work as a tester at MEL Science. I recently finished exploring a relatively new feature from Firebase Test Lab — specifically, instrumental testing of iOS applications using the native testing framework XCUITest. Before this, I had already tried Firebase Test Lab for Android, and I liked it very much, so I […]

Deploying applications to VM, Nomad, and Kubernetes

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Hello everyone! My name is Pavel Agaletsky. I work as a team lead in the group developing the Lamoda delivery system. In 2018, I spoke at the HighLoad++ conference, and today I want to present a transcription of my report. My topic focuses on our company's experience in deploying systems and services to different environments. Starting from our prehistoric times, when we deployed all systems […]

Submissions are open for the independent freelancer award 'Golden Spear 2019'

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The organizing committee of the Second Independent Award for Russian-speaking freelancers has announced the start of applications for the 'Golden Spear 2019' award. The term 'freelancer' encompasses self-employed specialists from various professions: designers and illustrators, web programmers and app developers, copywriters and translators, content managers and optimizers, directors and SMM specialists, photographers and motion designers, among many others. Freelancers are distinguished by their independence, responsibility and […]

The Esports Life Tycoon simulator will allow you to lead an esports team

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U-Play Online Studio has announced the development of a simulator for managing an esports team called Esports Life Tycoon. 'Very soon,' publisher Raiser Games will release the game in early access on Steam. 'The crowd is so excited that it's almost impossible to make out what your players are saying to each other,' the developers share. 'You are so close to becoming winners at one of the most important […]

Writing a Secure Browser Extension

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Unlike the common "client-server" architecture, decentralized applications are characterized by: The absence of a need to store a database with user logins and passwords. Access information is stored solely by the users themselves, with their authenticity being verified at the protocol level. The absence of a need to use a server. The application logic can run in a blockchain network, where it is also possible to store the necessary amount of data. There are 2 […]

Windows Subsystem for Linux (WSL) version 2: what will it be like? (FAQ)

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Under the cut is the translation of the published FAQ regarding details about the upcoming version 2 of WSL (author — Craig Loewen). The questions covered include: Does WSL 2 use Hyper-V? Will WSL 2 be available on Windows 10 Home? What will happen with WSL 1? Will it be deprecated? Will it be possible to run WSL 2 and other third-party virtualization tools (for example, VMWare or Virtual […]

.toster: Javascript supported!

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Attention, report! The first one to find all the "Easter eggs" gets a karma boost 😉 It seems rather inconvenient that flights from London arrive in Moscow at five in the morning. The same goes for flights from Amsterdam. Strangely enough, Scandinavian Airlines also operates on an inhumane schedule. Only passengers from a star-striped country disembark, albeit sleepily, […]

Erlang/OTP 22 has been released

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A few hours ago, the Erlang team announced the next release of the programming language and the entire platform. Let me remind you that Erlang/OTP is designed for creating highly scalable systems operating in soft real-time mode with high availability requirements. The platform has long been successfully used in sectors such as telecommunications, banking, e-commerce, telephony, and instant messaging. The main changes in this […]

Loading FIAS into the database on MSSQLSERVER using makeshift (SQLXMLBULKLOAD) means. How this (probably) should not be done.

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Epigraph: "When you have a hammer in your hand, everything around seems like nails." A long time ago, it seems – last Friday, while wandering around the office surroundings, the wayward management got concerned that I was spending my time idly contemplating cats. "Why don't you load the FIAS, dear colleague!" said the management. "For the process of loading it seems to be […]

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