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amartology @ Habr Β· 09/09/2020 04:01 EDT

Common misconceptions about space-grade integrated circuits

Space exploration was always fascinating, and recent developments have reignited the interest to the heights never seen since the last man stood on the Moon. People argue about Mars exploration and features of spaceships as their grandparents would’ve done if the internet existed fifty years ago. I’m an electronics engineer working in the aerospace industry, so I know a thing or two about the technical background of this stuff β€”... Read more β€Ί

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Habr
therb1 @ Habr Β· 09/07/2020 08:50 EDT

[Translation] ΠœΠΎΠ½ΠΈΡ‚ΠΎΡ€ΠΈΠ½Π³ микросСрвисов Flask с ΠΏΠΎΠΌΠΎΡ‰ΡŒΡŽ Prometheus

RED ΠΌΠ΅Ρ‚Ρ€ΠΈΠΊΠΈ для flask прилоТСния Π±Π΅Π· усилий.Как Π΄ΠΎΠ±Π°Π²ΠΈΡ‚ΡŒ ΠΌΠ΅Ρ‚Ρ€ΠΈΠΊΠΈ ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΉ Π΄Π°Π²Π½ΠΎ просят DevOps/SRE Π·Π° ΠΏΠ°Ρ€Ρƒ строчСк ΠΊΠΎΠ΄Π°. Π§ΠΈΡ‚Π°Ρ‚ΡŒ Π΄Π°Π»Π΅Π΅ ΠΈ Π΄Π°Π»Π΅Π΅ Read more β€Ί

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Habr
doctorweb @ Habr Β· 09/07/2020 04:54 EDT

The hunt for vulnerability: executing arbitrary code on NVIDIA GeForce NOW virtual machines

Introduction Against the backdrop of the coronavirus pandemic, the demand for cloud gaming services has noticeably increased. These services provide computing power to launch video games and stream gameplay to user devices in real-time. The most obvious advantage of this gaming type is that gamers do not need to have high-end hardware. An inexpensive computer is enough to run the client, spending time in self-isolation while the remote server carries... Read more β€Ί

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Habr
Sneha-321 @ Habr Β· 09/05/2020 09:11 EDT

[From sandbox] How Can AI & Data Science Help to Fight the Coronavirus?

Do you know AI can save us from a worldwide pandemic? Yeah, it's true. Our global researchers have touted these two buzzing technologies can provide a substantial social benefit to this worldwide health crisis.Before I begin, I would like to take this moment to say THANK YOU to all our COVID-19 Warriors standing on the frontline and working day and night for us. We can’t thank them enough. Our healthcare... Read more β€Ί

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Habr
itmo @ Habr Β· 09/04/2020 04:03 EDT

Getting Better at Reading Academic Papers: a Brief Guide for Beginners (Part 2)

Β«Nothing makes you feel stupid quite like reading a scientific journal articleΒ» β€” writes the TV presenter and molecular biologist Adam Ruben. In a way, he's right β€” many of us get lost in the often confusing language of peer-reviewed papers. But the situation does not have to be hopeless. A bit of effort on the readers' part can go a long way. We looked at the techniques actual scientists... Read more β€Ί

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Habr
eugeneovsyannikov @ Habr Β· 09/04/2020 02:47 EDT

Checking QEMU using PVS-Studio

QEMU is a rather well-known application for emulation. Static analysis can help developers of complex projects such as QEMU catch errors at early stages and generally improve quality and reliability of a project. In this article, we will check the source code of the QEMU application for potential vulnerabilities and errors using the PVS-Studio static analysis tool.Read more β†’ Read more β€Ί

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Habr
zhikin2207 @ Habr Β· 09/03/2020 08:16 EDT

Dark code-style academy: line breaks, spacing, and indentation

Hey guys! Let me walk you through the next part of our dark-style code academy. In this post, we will discover some other ways how to slow down the reading speed of your code. The next approaches will help you to decrease maintenance and increase a chance to get a bug in your code. Ready? Let's get started. Read more Read more β€Ί

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Habr
Retew @ Habr Β· 09/03/2020 05:47 EDT

The world is sick: mass surveillance

How much does your privacy cost? Your medical information, your home address? How much is your browsing and search history? You might have never thought about that. Read more β†’ Read more β€Ί

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Habr
AnnaVoshkarina @ Habr Β· 09/03/2020 04:24 EDT

Plugins in Figma. From idea to 1000 installs

About a year ago, Figma added the ability to develop and publish your own plugins. Those who would like to please themselves and everyone around them with additional features or just to have the experience of lifetime with Figma have longed for this feature to appear.Β  Inside the plugin, you can do whatever is available to the developer on the web.Β There are practically no restrictions on the possibilities, except... Read more β€Ί

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Habr
z3apa3a @ Habr Β· 09/02/2020 10:29 EDT

Dive into Email Security: MTA-STS Policies

In a nutshell: MTA-STS is a way to protect emails against interception (man-in-the-middle aka MitM attacks) between email servers. It partially resolves architectural issues in email protocols and is described in a recent RFC 8461 standard.Read more β†’ Read more β€Ί

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Habr
buldakov @ Habr Β· 09/02/2020 10:26 EDT

Π”Ρ€ΡƒΠΆΠΈΠΌ ELK ΠΈ Exchange. Π§Π°ΡΡ‚ΡŒ 1

ΠΠ°Ρ‡ΠΈΠ½Π°ΡŽ ΡΠ΅Ρ€ΠΈΡŽ статСй, Π³Π΄Π΅ Ρ…ΠΎΡ‡Ρƒ ΠΏΠΎΠ΄Π΅Π»ΠΈΡ‚ΡŒΡΡ своим ΠΎΠΏΡ‹Ρ‚ΠΎΠΌ ΠΏΠΎΠ΄ΠΊΠ»ΡŽΡ‡Π΅Π½ΠΈΡ Exchange ΠΈ ELK. Π­Ρ‚ΠΎΡ‚ стэк ΠΏΠΎΠΌΠΎΠΆΠ΅Ρ‚ ΠΎΠ±Ρ€Π°Π±Π°Ρ‚Ρ‹Π²Π°Ρ‚ΡŒ большиС ΠΎΠ±ΡŠΠ΅ΠΌΡ‹ Π»ΠΎΠ³ΠΎΠ² ΠΈ Π½Π΅ Π·Π°Π΄Π°Π²Π°Ρ‚ΡŒΡΡ вопросом, ΠΏΡ€ΠΈ ΠΊΠ°ΠΊΠΎΠΌ Ρ€Π°Π·ΠΌΠ΅Ρ€Π΅ ΠΏΡ€ΠΈΠ²Ρ‹Ρ‡Π½Ρ‹Π΅ инструмСнты логирования откаТутся Π½Π°ΠΌ ΠΏΠΎΠΌΠΎΠ³Π°Ρ‚ΡŒ. Π”Π°Π²Π°ΠΉΡ‚Π΅ Π·Π½Π°ΠΊΠΎΠΌΠΈΡ‚ΡŒΡΡ с Π½ΠΎΠ²Ρ‹ΠΌ Π±ΠΎΠΉΡ†ΠΎΠΌ с Π»ΠΎΠ³Π°ΠΌΠΈ. Read more β†’ Read more β€Ί

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Habr
aigoncharov @ Habr Β· 09/02/2020 09:22 EDT

How to display a gazillion of metrics and keep your sanity

Large scale equals distributed. Distributed equals inevitable complexity. Complexity at runtime equals extensive monitoring. At Hazelcast, doing distributed systems well is our bread and butter. It means we have no choice but to be huge fans of collecting all kinds of metrics to stay on guard of the data our users trust us with. In Management Center 4.2020.08, we drastically changed the model of how we transfer the metric data... Read more β€Ί

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Habr
itmo @ Habr Β· 09/01/2020 14:33 EDT

Getting Better at Understanding Academic Papers: a Brief Guide

Β«Nothing makes you feel stupid quite like reading a scientific journal articleΒ» β€” writes the TV presenter and molecular biologist Adam Ruben. In a way, he's right β€” many of us get lost in the often confusing language of peer-reviewed papers. But the situation does not have to be hopeless. A bit of effort on the readers' part can go a long way. We looked at the techniques actual scientists... Read more β€Ί

0

Habr
Nikolay_Smeh @ Habr Β· 08/31/2020 10:51 EDT

Why it's important to allow developers to solve the problem instead of giving them implementation tasks

In his book Β«INSPIRED: How to Create Tech Products Customers Love,Β» Marty Cagan mentioned that successful teams put the following principles at the forefront when working with feature stories:Risks are analyzed in advance, not at the end. Products are defined and designed collaboratively, not sequentially. The team works on solving the problem, not on implementation. The first two are more or less clear. Any well-educated manager knows that risks should... Read more β€Ί

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Habr
varunbhagat1 @ Habr Β· 08/31/2020 03:22 EDT

Data Science vs AI: All You Need To Know

What do these terms mean? And what is the difference? Data Science and Artificial Intelligence are creating a lot of buzzes these days. But what do these terms mean? And what is the difference between them? While the terms Data Science and Artificial Intelligence (AI) comes under the same domain and are inter-connected to each other, they have their specific applications and meaning. There’s no slowing down the spread of... Read more β€Ί

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Habr
frontwise @ Habr Β· 08/28/2020 11:27 EDT

[Translation] Tensodrone that do not break, and what does architecture, robotic manipulator and copter have in common

We had ten broken drones in a year, test flights twice a day, three PhDs in the team, a prototype of sushi sticks and a desire to find a way to stop hitting drones. Very controversial, very unusual, very strange, but it works! At the intersection of architecture, collaborative robotics and unmanned aerial vehicles.Β  Introducing: Tensodroneβ„’. Tensodrone is a multi-rotor UAV of a new design with collision protection, made on... Read more β€Ί

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Habr
stefanbuzz @ Habr Β· 08/28/2020 09:13 EDT

Checking the Code of XMage, and Why You Won't Be Able to Get the Special Rare Cards of the Dragon's Maze Collection

XMage is a client-server application for playing Magic: The Gathering (MTG). XMage's development was started in early 2010. Since then, it has seen 182 releases, attracted an army of contributors, and it's still being actively developed even now. All that makes it a good reason for us to contribute to its development too! So, today the PVS-Studio unicorn is going to check the code base of XMage and maybe even... Read more β€Ί

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Habr
zhikin2207 @ Habr Β· 08/27/2020 08:26 EDT

Dark code-style academy: spoil if statement

Do you want to raise your salary? Do you want always to be in demand? Do you want to have your job as long as you want? It is absolutely real! You just need to change the way you write your code. Basically, you need to increase your job security. You have to write code which will be almost impossible to maintain for everyone except you. And in these series... Read more β€Ί

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Habr
kristencarter7519 @ Habr Β· 08/27/2020 04:37 EDT

Top 10 Blockchain Development Companies To Partner With In 2020-21

Global Blockchain solutions spending is expected to surpass $15.9 billion in 2023. At the same time, this expenditure was $1.5 billion in 2018. Indeed, this is a huge influx in global spending, which depicts how companies will be investing more in blockchain solutions and blockchain-based mobile apps. In this group, the major contribution will be seen from industries including finance, banking, healthcare, agriculture, and more. Amidst, outsourcing Blockchain development companies... Read more β€Ί

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Habr
fred84 @ Habr Β· 08/26/2020 12:09 EDT

[Translation] Delayed queue in Java and Redis

Several years ago we had to solve how to enqueue events with an arbitrary delay, e.g. check a status of a payment 3 hours later, or send notification to a client in 45 minutes. At that point of time, we didn't find suitable libraries to accomplish this task, which didn't require us to spend time on configuration and maintenance. After analysing possible solutions we ended up building our own small... Read more β€Ί

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