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Habr
Kylin @ Habr 1 place Β· 12/01/2021 14:26 EDT

LVM Thinpool Restore

Hi everyone, today I will tell how I restored a defunct LVM thinpool. Unfortunately I could not find any howtos or manuals on the internet, so maybe this one will help someone in a similar situation. Read more Read more β€Ί

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Habr
SergeyBPshenichnikov @ Habr 2 place Β· 12/01/2021 13:06 EDT

[Translation] Concordance of sense

In [1,2,3] texts (sign sequences with repetitions) were transformed (coordinated) into algebraic systems using matrix units as word images. Coordinatization is a necessary condition of algebraization of any subject area. Function (arrow) (7) in [1]) is a matrix coordinatization of text. One can perform algebraic operations with words and fragments of matrix texts as with integers, but taking into account the noncommutativity of multiplication of words as matrices. Structurization of... Read more β€Ί

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Habr
Mixxxxa @ Habr 3 place Β· 12/01/2021 07:04 EDT

Checking Chromium after three years. How's it going?

We dust off the irregular series of articles about the Chromium project check. Let's look at the code quality in the latest Chromium release and check the new features of the PVS-Studio analyzer. Read more β†’ Read more β€Ί

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Habr
Stolyarrr @ Habr 1 place Β· 11/29/2021 05:35 EDT

An article for those who, like me, do not understand the purpose of std::common_type

This article investigates why the standard library needs a way to deduce a common type, how it is implemented and how it works. Read more β†’ Read more β€Ί

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Habr
Top3DShop @ Habr 1 place Β· 11/27/2021 02:20 EDT

Porsche Invested in an Aerospace Startup That 3D Prints Rockets

Porsche invested money in a German startup called Isar Aerospace that is working on a lightweight launch vehicle with 3D printed parts, including key components of power plants. The initial launch is planned for 2022. Read more Read more β€Ί

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Habr
Top3DShop @ Habr 2 place Β· 11/27/2021 00:20 EDT

CML AT Medical Developed a 3D Printed Knee Joint Endoprosthesis

In the past, FDM 3D printing solutions have been primarily used for surgical planning. The added benefit is one can perform surgical planning digitally in preparation for surgical procedures, create mock up operations physically with the usage of trustworthy full-scale printed parts and test implants prior to inserting them into the body. Read more Read more β€Ί

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Habr
Andrey2008 @ Habr 3 place Β· 11/26/2021 03:28 EDT

Virtual function calls in constructors and destructors (C++)

In different programming languages, the behavior of virtual functions differs when it comes to constructors and destructors. Incorrect use of virtual functions is a classic mistake. Developers often use virtual functions incorrectly. In this article, we discuss this classic mistake. Read more β†’ Read more β€Ί

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Habr
Top3DShop @ Habr 3 place Β· 11/26/2021 02:20 EDT

Raise3D Announced an FDM 3D Printer That Works with Carbon-Filled Polymers

Raise3D is preparing to receive pre-orders for E2CF β€” a version of its desktop additive system E2 that is able to print using carbon-fiber-reinforced polymers. The device is optimized for working with carbon-filled filaments.Β Previously, Raise3D was primarily known for its large-format series such as the Raise3D Pro2 Plus (build volume: 305 x 305 x 605 mm), but the manufacturer is certainly planning to expand in the industrial segment with... Read more β€Ί

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Habr
Top3DShop @ Habr Β· 11/26/2021 00:34 EDT

The Experiments Involving Lunar Soil Will be Conducted on the ISS

Cygnus NG-16 was recently launched into space. It’s an iSS resupply spacecraft that brings materials and equipment needed for 3D printing with lunar regolith simulant to International Space Station. Read more Read more β€Ί

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Habr
PahanMenski @ Habr 1 place Β· 11/24/2021 02:34 EDT

Structured Logging and Interpolated Strings in C# 10

Structured logging is gaining more and more popularity in the developers' community. In this article I'd like to demonstrate how we can use structured logging with the Microsoft.Extensions.Logging package and show the idea how we can extend it using the new features of C# 10. Read more Read more β€Ί

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Habr
foto_shooter @ Habr 2 place Β· 11/24/2021 02:22 EDT

A variety of errors in C# code by the example of CMS DotNetNuke: 40 questions about the quality

Today, we discuss C# code quality and a variety of errors by the example of CMS DotNetNuke. We're going to dig into its source code. You're going to need a cup of coffee... Read more β†’ Read more β€Ί

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Habr
red-cat-fat @ Habr 3 place Β· 11/23/2021 07:00 EDT

Π§Ρ‚ΠΎ Ρ‚Π°ΠΊΠΎΠ΅ ECS ΠΈ с Ρ‡Π΅ΠΌ Π΅Π³ΠΎ компилят

ΠŸΡ€ΠΈΠ²Π΅Ρ‚! Π­Ρ‚Π° ΡΡ‚Π°Ρ‚ΡŒΡ β€” пСрвая Π² Π±Π»ΠΎΠ³Π΅ MY.GAMES, ΠΌΠ΅ΠΆΠ΄ΡƒΠ½Π°Ρ€ΠΎΠ΄Π½ΠΎΠ³ΠΎ Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Ρ‡ΠΈΠΊΠ° ΠΈ издатСля Π²ΠΈΠ΄Π΅ΠΎΠΈΠ³Ρ€. Π—Π΄Π΅ΡΡŒ ΠΌΡ‹ объСдиним Π½Π°Ρ€Π°Π±ΠΎΡ‚ΠΊΠΈ ΠΈ экспСртизу всСх 14 Π½Π°ΡˆΠΈΡ… ΠΈΠ³Ρ€ΠΎΠ²Ρ‹Ρ… студий. Π’ΠΏΡ€ΠΎΡ‡Π΅ΠΌ, Π±ΡƒΠ΄Π΅ΠΌ Ρ€Π°ΡΡΠΊΠ°Π·Ρ‹Π²Π°Ρ‚ΡŒ Π½Π΅ Ρ‚ΠΎΠ»ΡŒΠΊΠΎ ΠΎ Π²Π½ΡƒΡ‚Ρ€Π΅Π½Π½Π΅ΠΉ ΠΊΡƒΡ…Π½Π΅ экосистСмы MY.GAMES, Π½ΠΎ ΠΈ ΠΎ Ρ‚ΠΎΠΌ, Ρ‡Π΅ΠΌ ΠΆΠΈΠ²Π΅Ρ‚ Π³Π΅ΠΉΠΌΠ΄Π΅Π² Π² России ΠΈ ΠΌΠΈΡ€Π΅ Π² Ρ†Π΅Π»ΠΎΠΌ, ΠΎ соврСмСнных Ρ‚Ρ€Π΅Π½Π΄Π°Ρ… ΠΈ новостях индустрии. МСня Π·ΠΎΠ²ΡƒΡ‚ АндрСй Π‘ΠΎΡ€ΠΎΠ½Π½ΠΈΠΊΠΎΠ², ΠΈ я Ρ€Π°Π±ΠΎΡ‚Π°ΡŽ Π² ΠΊΠΎΠΌΠ°Π½Π΄Π΅ ΡΠΊΡΠΏΠ΅Ρ€ΠΈΠΌΠ΅Π½Ρ‚Π°Π»ΡŒΠ½Ρ‹Ρ… ΠΏΡ€ΠΎΠ΅ΠΊΡ‚ΠΎΠ² студии IT Territory, Π³Π΄Π΅ занимаюсь Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚ΠΊΠΎΠΉ... Read more β€Ί

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Habr
MrROBUST @ Habr 1 place Β· 11/22/2021 05:46 EDT

Thanks, Mario, but the code needs fixing β€” checking TheXTech

It's cool when enthusiastic developers create a working clone of a famous game. It's even cooler when people are ready to continue the development of such projects! In this article, we check TheXTech with PVS-Studio. TheXTech is an open implementation of the game from the Super Mario universe. Read more β†’ Read more β€Ί

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Habr
AtariSMN82 @ Habr 2 place Β· 11/21/2021 11:34 EDT

ΠŸΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΠ° SEZE II

Если Π²Π°ΠΌ интСрСсна 2D Π³Ρ€Π°Ρ„ΠΈΠΊΠ° ΠΈ Π²ΠΈΠ΄Π΅ΠΎ Ρ„ΠΈΠ»ΡŒΡ‚Ρ€Ρ‹, Ρ‚ΠΎ ΠΏΡ€Π΅Π΄Π»Π°Π³Π°ΡŽ Π²Π°ΠΌ ΠΎΠ·Π½Π°ΠΊΠΎΠΌΠΈΡ‚ΡŒΡΡ с SEZE, ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΠΎΠΉ ΠΏΡ€ΠΈΠΌΠ΅Π½ΡΡŽΡ‰Π΅ΠΉ ΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Ρ‚Π΅Π»ΡŒΡΠΊΠΈΠ΅ Ρ„ΠΈΠ»ΡŒΡ‚Ρ€Ρ‹ ΠΊ Π²ΠΈΠ΄Π΅ΠΎ, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ ΠΌΠΎΠΆΠ½ΠΎ Π½Π°ΠΏΠΈΡΠ°Ρ‚ΡŒ самому Π½Π° C++. Π§ΠΈΡ‚Π°Ρ‚ΡŒ Π΄Π°Π»Π΅Π΅ Read more β€Ί

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Habr
averkij @ Habr 3 place Β· 11/21/2021 08:35 EDT

How to create bilingual books. Part 2. Lingtrain Alignment Studio

How to make a parallel book for language learning. Part 1. Python and Colab versionThis is a second article on making parallel books. Today we will use the more advanced tool which will bring rich UI functionality. Lingtrain Alignment Studio is a web application written on Vue and Python. The main purpose of it is to extract the parallel corpora from two raw texts and make a bilingual (or even... Read more β€Ί

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Habr
Top3DShop @ Habr 1 place Β· 11/20/2021 01:20 EDT

3D Printers by Desktop Metal Now Have a Titanium Filament

The list of materials for additive manufacturing devices Studio System 2 by Desktop Metal now includes a filament filled with titanium alloy Ti-6Al-4V (Ti64), a new step in the field of metal 3D printing. Read more Read more β€Ί

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Habr
Top3DShop @ Habr 2 place Β· 11/19/2021 08:17 EDT

Ford Maverick: Customers Can Buy a Pickup Truck and 3D Print the Additional Parts

Ford equipped its new Maverick pickup truck with convenient slots to customize the cars with DIY 3D printed accessories. Read more Read more β€Ί

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Habr
Cockatoo @ Habr 3 place Β· 11/19/2021 08:01 EDT

How the Carla car simulator helped us level up the static analysis of Unreal Engine 4 projects

One of the mechanisms of static analysis is method annotations of popular libraries. Annotations provide more information about functions during errors detecting. CARLA is an impressive open-source project in C++ that helped us implement this mechanism to our analyzer. Subsequently, the simulator became a test-target for the improved PVS-Studio static analyzer. Read more β†’ Read more β€Ί

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Habr
EgorKotkin @ Habr 1 place Β· 11/19/2021 08:00 EDT

Π–ΠΈΠ·Π½ΡŒ ΠΊΠ°ΠΊ этап ΡΠ²ΠΎΠ»ΡŽΡ†ΠΈΠΈ ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΠΈ

БиологичСская рСакция выдСляСтся Π½Π΅Π»ΠΈΠ½Π΅ΠΉΠ½Ρ‹ΠΌ ΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΠ΅ΠΌ ΠΎΠ±ΡŠΠ΅ΠΊΡ‚Π° Ρ€Π΅Π°ΠΊΡ†ΠΈΠΈ ΠΊ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡ‚Π²ΠΈΡŽ, Π΅Ρ‘ Π²Ρ‹Π·Π²Π°Π²ΡˆΠ΅ΠΌΡƒ. Если ΠΏΡ€Π΅Π΄ΡΡ‚Π°Π²ΠΈΡ‚ΡŒ Π»ΡΠ³ΡƒΡˆΠΊΡƒ, ΠΏΡ€Ρ‹Π³Π½ΡƒΠ²ΡˆΡƒΡŽ ΠΈΠ·-Π·Π° Ρ‚ΠΎΠ³ΠΎ, Ρ‡Ρ‚ΠΎ Π½Π° Π½Π΅Ρ‘ ΡƒΠΏΠ°Π»Π° капля Π²ΠΎΠ΄Ρ‹, Ρ‚ΠΎ Π² этом Π½Π΅ Π±ΡƒΠ΄Π΅Ρ‚ Π½ΠΈΡ‡Π΅Π³ΠΎ Π½Π΅ΠΎΠ±Ρ‹Ρ‡Π½ΠΎΠ³ΠΎ. Но Ссли ΠΏΡ€Π΅Π΄ΡΡ‚Π°Π²ΠΈΡ‚ΡŒ Ρ‚Ρƒ ΠΆΠ΅ каплю, ΠΊΠ°ΠΏΠ½ΡƒΠ²ΡˆΡƒΡŽ Π½Π° камСнь ΠΈ Π² Ρ‘ΠΌΠΊΠΎΡΡ‚ΡŒ с Ρ€Π΅Π°Π³Π΅Π½Ρ‚ΠΎΠΌ сопоставимых Ρ€Π°Π·ΠΌΠ΅Ρ€ΠΎΠ², Ρ‚ΠΎ Ρ€Π°Π·Π½ΠΈΡ†Π° химичСской, физичСской ΠΈ биологичСской Ρ€Π΅Π°ΠΊΡ†ΠΈΠΈ Π±ΡƒΠ΄Π΅Ρ‚ ΠΎΡ‡Π΅Π²ΠΈΠ΄Π½Π°: химичСской Ρ€Π΅Π°ΠΊΡ†ΠΈΠΈ Π±ΡƒΠ΄Π΅Ρ‚ Π½Π° каплю β€” Π² ΠΏΡ€Π΅Π΄Π΅Π»Π°Ρ…, для ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π΅Ρ‘ Ρ…Π²Π°Ρ‚ΠΈΡ‚ ΠΊΠ°ΠΊ Ρ€Π΅Π°Π³Π΅Π½Ρ‚Π°, физичСская... Read more β€Ί

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Habr
Top3DShop @ Habr 2 place Β· 11/19/2021 01:00 EDT

This 3D Printed Hypercar is Faster than McLaren Senna

The Czinger C21 hypercar set a lap record at the Laguna Seca Raceway track. The previous holder was McLaren Senna and Czinger C21 beat its time by 2 seconds. The C21 costs more than $1.5 million and its body includes reinforced polymers and 3D printed titanium parts. Read more Read more β€Ί

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