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foto_shooter @ Habr 2 place Β· 11/12/2021 07:00 EDT

All hail bug reports: how we reduced the analysis time of the user's project from 80 to 4 hours

People often see work in support as something negative. Today we'll look at it from a different perspective. This article is about a real communication of 100+ messages, exceptions, the analysis that didn't complete in three days... Read more β†’ Read more β€Ί

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Kate_Milovidova @ Habr 1 place Β· 11/10/2021 08:28 EDT

How to choose a static analysis tool

Tools to improve and control code quality can be a keyΒ success factor in a complex software project implementation. Static analyzers belong to such tools. Nowadays, you can find various static analyzers: from free open-source to cross-functional commercial solutions. On the one hand, it's great – you can choose from many options. On the other hand – you have to perform advanced research to find the right tool for your... Read more β€Ί

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shiru8bit @ Habr 1 place Β· 11/08/2021 20:23 EDT

Full motion video with digital audio on the classic 8-bit game console

Back in 2016 an United States based music composer and performer Sergio Elisondo released an one-man band music album A Winner Is You (know your meme), with multi-instrumental cover versions of tunes from numerous memorable classic NES games. A special feature of this release has been its version released in the NES cartridge format that would run on a classic unmodified console and play digitized audio of the full album,... Read more β€Ί

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Habr
ultral @ Habr 2 place Β· 11/08/2021 08:17 EDT

IaC Development Life Cycle

IaC Development Life CycleThis is the translation of my speech at T-Meetup: DevOps Life Cycle.I believe that you have heard about SDLC (Systems development life cycle). Is it possible that the same things are applicable for the IaC? Read more β†’ Read more β€Ί

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Habr
EgorKotkin @ Habr 1 place Β· 11/05/2021 09:00 EDT

Π­ΠΊΠΎΠ½ΠΎΠΌΠΈΠΊΠ° ΠΊΠ°ΠΊ Ρ†Π΅Π»ΠΎΠ΅: холистичСский ΠΏΠΎΠ΄Ρ…ΠΎΠ΄ vs частная пСрспСктива

НСоклассичСская, ΠΎΠ½Π° ΠΆΠ΅ Π½Π΅ΠΎΠ»ΠΈΠ±Π΅Ρ€Π°Π»ΡŒΠ½Π°Ρ, экономичСская ΠΏΠ°Ρ€Π°Π΄ΠΈΠ³ΠΌΠ°, отличаСтся ΠΈΠ½Π΄ΠΈΠ²ΠΈΠ΄ΠΎΡ†Π΅Π½Ρ‚Ρ€ΠΈΡ‡Π½ΠΎΡΡ‚ΡŒΡŽ. Π­Ρ‚ΠΎ β€” слСпоС пятно соврСмСнной мСйнстрим-экономики. 100% создаваСмого Π² экономикС богатства β€” это сумма Ρ‚Ρ€ΡƒΠ΄Π° 100% Ρ€Π°Π±ΠΎΡ‚Π°ΡŽΡ‰ΠΈΡ… Π² экономикС людСй. НапримСр, 110 Ρ‚Ρ€ΠΈΠ»Π»ΠΈΠΎΠ½ΠΎΠ² Ρ€ΡƒΠ±Π»Π΅ΠΉ Π’Π’ΠŸ России Π² 2019 Π³ΠΎΠ΄Ρƒ β€” это совокупная Ρ†Π΅Π½Π½ΠΎΡΡ‚ΡŒ ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ‚ΠΎΠ² Ρ‚Ρ€ΡƒΠ΄Π° 73 ΠΌΠΈΠ»Π»ΠΈΠΎΠ½ΠΎΠ² Ρ‡Π΅Π»ΠΎΠ²Π΅ΠΊ. Но совокупная Ρ†Π΅Π½Π½ΠΎΡΡ‚ΡŒ Ρ‚Ρ€ΡƒΠ΄Π° Π² экономикС Π½Π΅ Ρ€Π°Π²Π½Π° суммС цСнности Ρ‚Ρ€ΡƒΠ΄Π° 73 ΠΌΠΈΠ»Π»ΠΈΠΎΠ½ΠΎΠ² ΠΈΠ½Π΄ΠΈΠ²ΠΈΠ΄ΠΎΠ². Π’ Π’Π’ΠŸ считаСтся Ρ†Π΅Π½Π½ΠΎΡΡ‚ΡŒ ΠΊΠΎΠ½Π΅Ρ‡Π½ΠΎΠ³ΠΎ ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ‚Π°. Π­Ρ‚ΠΎ Π² Π‘Ρ€Π΅ Read more β€Ί

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Habr
Andrey2008 @ Habr 2 place Β· 11/05/2021 06:38 EDT

Protocol Buffers, a brutal protocol from Google, vs. PVS-Studio, a static code analyzer

Protocol Buffers is a very popular, cool, and high-quality product that is mostly developed by Google. This is a good challenge for the PVS-Studio static code analyzer. Finding at least something is already an achievement. Let's give it a shot. Read more β†’ Read more β€Ί

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Habr
TheQuantumDaily @ Habr 3 place Β· 11/04/2021 18:22 EDT

5 Startups Altering The Financial Sector Using Quantum-Inspired Algorithms

It’s a harsh reality that any investment or security that you have is subject to systematic risk, that’s just the nature of the financial world, with mispricingβ€Šβ€”β€Šcausing a divergence between the market price of a security and the fundamental value of that securityβ€Šβ€”β€Ša guilty party quite often. This is brought about by the world we now live in, information-heavy, with masses of unstructured data sets and... Read more β€Ί

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konsole @ Habr 3 place Β· 11/04/2021 07:47 EDT

Jira CLI: Interactive Command-line Tool for Atlassian Jira

JiraCLI is an interactive command line tool for Atlassian Jira that will help you avoid Jira UI to some extent. This tool is not yet considered complete but has all the essential features required to improve your workflow with Jira.The tool started with the idea of making issue search and navigation as straightforward as possible. However, the tool now includes all necessary features like issue creation, cloning, linking, ticket transition,... Read more β€Ί

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Habr
TheQuantumDaily @ Habr 2 place Β· 11/03/2021 18:28 EDT

Quantum Scientists Make Multiple Qubits Team Up to Improve Error-Correction

This shows the Bacon–Shor subsystem code implemented on a 15-ion chain.Multiple heads are better than one in real world calculations. Now, a team of University of Maryland-led quantum engineers report that multiple qubits may be better than one when it comes to error-corrections.In what’s been described as a foundational step toward using quantum computers to tackle practical problems, the team combined nine qubits β€” a quantum bit β€” to make... Read more β€Ί

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Habr
Stolyarrr @ Habr 3 place Β· 11/03/2021 10:30 EDT

PVS-Studio searches for bugs in the DuckStation project

We often check retro games. In our company, many developers like to find interesting projects for themselves. They feel nostalgic when they're studying these projects. But we need to run retro games on something, right? This time we checked a project that helps to run old games on modern hardware. Read more β†’ Read more β€Ί

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ptsecurity @ Habr 3 place Β· 11/03/2021 04:28 EDT

How to detect a cyberattack and prevent money theft

Money theft is one of the most important risks for any organization, regardless of its scope of activity. According to our data, 42% of cyberattacks on companies are committed to obtain direct financial benefits.Β  You can detect an attack at various stagesβ€”from network penetration to the moment when attackers start withdrawing money.Β  In this article, we will show how to detect an attack at each of its stages and minimize... Read more β€Ί

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Habr
Token2 @ Habr 2 place Β· 11/02/2021 06:39 EDT

MFA-protected SSH access to Ubuntu servers with LDAP or Azure AD Credentials and hardware or software tokens

SSH, the secure shell, is often used to access remote Linux systems. Because we often use it to connect with computers containing important data, it’s recommended to add another security layer, such as the second factor.In this guide, we will show how to leverage the TOKEN2 TOTPRadius appliance to organize SSH access to your Ubuntu server using local LDAP or Azure AD as the primary authentication factor, and TOTP factor... Read more β€Ί

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Habr
Stolyarrr @ Habr 2 place Β· 11/01/2021 08:16 EDT

How a PVS-Studio developer defended a bug in a checked project

The PVS-Studio developers often check open-source projects and write articles about that. Sometimes, when writing an article, we come across interesting situations or epic errors. Of course, we want to write a small note about it. This is one of those cases. Read more Read more β€Ί

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Habr
Top3DShop @ Habr 3 place Β· 10/31/2021 12:47 EDT

Introduction to Shining3D (Part 2): Einscan Handheld 3D Scanners

Hello! It’s Top 3D Shop and this is Part 2 of our introduction to the world of 3D scanners by Chinese manufacturer Shining. The first part covered the desktop scanners. Now we are going to talk about the handheld line. We will compare the specs, provide overviews and talk about both the strong points and limitations of the devices.Β  Read more Read more β€Ί

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Habr
Top3DShop @ Habr 2 place Β· 10/31/2021 12:47 EDT

Introduction to Shining3D (Part 1): Einscan Desktop 3D Scanners

Hello! It’s Top 3D Shop and in this article we will talk about Shining 3D. This manufacturer is among the few companies that offer a comprehensive ecosystem of 3D digitization solutions, covering not only 3D printing, but 3D scanning and software solutions for engineering and medical teams.Most importantly, the company is constantly innovating to bring these technologies not only to the production floors of industrial conglomerates, but small businesses, R&D... Read more β€Ί

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Habr
averkij @ Habr Β· 10/31/2021 11:44 EDT

How to make a parallel book for language learning. Part 1. Python and Colab version

If you're interested in learning new languages or teaching them, then you probably know such a way as parallel reading. It helps to immerse yourself in the context, increases the vocabulary and allows you to enjoy the learning process. When it comes to reading, you most likely want to choose your favorite author, theme or something familiar and this is often impossible if no one has published such a variant... Read more β€Ί

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Habr
EgorKotkin @ Habr Β· 10/31/2021 06:00 EDT

Вирусы ΠΊΠ°ΠΊ сборочныС ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡ‚Ρ‹ ΠΆΠΈΠ²ΠΎΠΉ ΠΏΡ€ΠΈΡ€ΠΎΠ΄Ρ‹: рСпликация ΠΈ мутация, Π½ΠΎ Π΅Ρ‰Ρ‘ Π½Π΅ ΠΏΠΎΠ²Π΅Π΄Π΅Π½ΠΈΠ΅

Π Π°Π·ΠΌΠ½ΠΎΠΆΠ΅Π½ΠΈΠ΅ оказалось Π΄Ρ€ΡƒΠ³ΠΈΠΌ Π²Ρ‹Ρ…ΠΎΠ΄ΠΎΠΌ ΠΈΠ· Ρ‚ΡƒΠΏΠΈΠΊΠ° устойчивости Π½Π΅ΠΆΠΈΠ²ΠΎΠΉ ΠΏΡ€ΠΈΡ€ΠΎΠ΄Ρ‹ β€” компСнсировав нСдостаток нСубиваСмости Π°Ρ‚ΠΎΠΌΠ½Ρ‹Ρ… связСй ΠΌΠ΅Ρ‚Π°Π»Π»ΠΎΠ² ΠΈ ΠΌΠΈΠ½Π΅Ρ€Π°Π»ΠΎΠ² ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒΡŽ ΠΊ Ρ€Π°Π·ΠΌΠ½ΠΎΠΆΠ΅Π½ΠΈΡŽ ΠΈ ΡˆΠΈΡ€ΠΎΠΊΠΎΠΉ Ρ€Π°ΡΠΏΡ€ΠΎΡΡ‚Ρ€Π°Π½Ρ‘Π½Π½ΠΎΡΡ‚ΡŒΡŽ Π½ΠΎΠ²Ρ‹Ρ… ΡΡ‚Ρ€ΠΎΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹Ρ… ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΠ°Π»ΠΎΠ² устойчивых Ρ„ΠΎΡ€ΠΌ ΠΎΡ€Π³Π°Π½ΠΈΠ·Π°Ρ†ΠΈΠΈ ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΠΈ β€” Π²ΠΎΠ΄ΠΎΡ€ΠΎΠ΄Π° ΠΈ ΠΊΠ°Ρ€Π±ΠΎΠ½Π°, ΠΈΠ· ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π΄Ρ€Π΅Π²Π½ΠΈΠ΅ ΠΎΠΊΠ΅Π°Π½Ρ‹ Π—Π΅ΠΌΠ»ΠΈ практичСски ΠΈ состояли. И мСталличСскоС ядро Π—Π΅ΠΌΠ»ΠΈ ΠΈ ΠΏΠ΅Ρ€Π²Ρ‹Π΅ вирусы Ρ€Π΅ΡˆΠΈΠ»ΠΈ ΠΎΠ΄Π½Ρƒ ΠΈ Ρ‚Ρƒ ΠΆΠ΅ Π·Π°Π΄Π°Ρ‡Ρƒ ΠΎΡ€Π³Π°Π½ΠΈΠ·Π°Ρ†ΠΈΠΈ ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΠΈ Π² устойчивыС структуры, Π½ΠΎ Ссли структуры Π½Π΅ΠΆΠΈΠ²ΠΎΠΉ ΠΏΡ€ΠΈΡ€ΠΎΠ΄Ρ‹ Π±Ρ‹Π»ΠΈ Π·Π°ΠΊΠΎΠ½ Read more β€Ί

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Habr
Yersin_DBA @ Habr Β· 10/30/2021 13:04 EDT

[Translation] Extanding and moving a ZooKeeper ensemble

Β Β Β  Once upon a time our DBA team had a task. We had to move a ZooKeeper ensemble which we had been using for Clickhouse cluster. Everyone is used to moving an ensemble by moving its data files. It seems easy and obvious but our Clickhouse cluster had more than 400 TB replicated data. All replication information had been collected in ZooKeeper cluster from the very beginning. At the end... Read more β€Ί

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Habr
Top3DShop @ Habr 3 place Β· 10/30/2021 06:37 EDT

Modix3D Large Scale 3D Printers: Print Parts Up to 1.8 Meters

Hello! This article will cover 3D printer manufacturer Modix and its professional large-scale 3D printers. The review will include the history of the brand, its products, their functions and possible applications. Read more Read more β€Ί

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Habr
MrDvorak @ Habr 1 place Β· 10/29/2021 06:02 EDT

Best warnings of static analyzer

Everyone who runs the static analyzer on a project for the first time is slightly shocked by hundreds, thousands or even tens of thousands of warnings. It may be frustrating. Is my code so terrible? Or is the analyzer lying? In any case, filtering by the severity changes the situation, not completely though. That's why we thought about how we could improve the first experience with the analyzer. Let me... Read more β€Ί

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