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Habr
vovaekb90 @ Habr 2 place · 02/20/2021 11:40 EDT

Хитрости работы с MeshLab: устранение ошибок в 3D моделях

Medium post (Filling holes in 3D mesh): https://vovaprivalov.medium.com/filling-holes-in-3d-mesh-using-meshlab-fea6849ab7a1Common problem with 3D meshes is incomplete surface with holes. That could be caused by imperfect reconstruction algorithm or low quality in depth sensor.We can easily repair surfaces of mesh in Meshlab program. Meshlab includes special filter for filling holes in 3D meshes.First open Meshlab. Then import mesh: File > Import Mesh.Here is an example of mesh with holes Читать далее Read more

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Habr
aarefiev @ Habr 2 place · 02/20/2021 01:04 EDT

Единый UI-кит и синхронизация дизайна в Учи.ру. Часть 1

Пожалуй, все, кто имел дело с развитием семейства сайтов, сталкивались с проблемой поддержания единого вида компонентов. Когда счет сервисов идет на десятки и сотни, когда над ними работает все больше независимых друг от друга команд, рассинхрон в дизайне и коде появляется обязательно. Мы попробовали справиться с этим с помощью единой базы компонентов. В серии постов я расскажу о нашем опыте разработки UI-кита, удобного как для разработчиков, так и для дизайнеров,... Read more

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Habr
basiliscos @ Habr 1 place · 02/20/2021 00:28 EDT

Overview of recent changes in rotor (v0.10… v0.14)

rotor is a non-intrusive event loop friendly C++ actor micro framework with hierarchical supervising, similar to its elder brothers like caf and sobjectizer. There is a bulk of important changes since the last release announcement v0.09 Read more → Read more

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Habr
anton-malakhov @ Habr 1 place · 02/18/2021 11:31 EDT

OOX 2.0: Out of Order eXecution made easy

As Intel Threading Building Blocks (TBB) is being refreshed using new C++ standard, deprecating tbb::task interface, the need for high-level tasking interface becomes more obvious. In this article, I’m proposing yet another way of defining what a high-level parallel task programming model can look like in modern C++. I created it in 2014 and it was my last contribution to TBB project as its core developer after 9 wonderful years... Read more

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Habr
AlfaTeam @ Habr 2 place · 02/18/2021 10:00 EDT

Agile не только в офисе

Привет! В среду, 24 февраля, мы проведем онлайн-митап для интересующихся практиками Agile.Митап бесплатный, главное — зарегистрироваться заранее по ссылке. Всё действо займет пару часов (с 19.00 до 21.00).Если вдруг захотите посмотреть, но по каким-то причинам не получится, то мы пришлем вам запись на почту, указанную при регистрации.В программе 3 доклада от наших спикеров.Программа митапа Читать далее Read more

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Habr
Andrey2008 @ Habr 3 place · 02/18/2021 09:35 EDT

Why PVS-Studio Uses Data Flow Analysis: Based on Gripping Error in Open Asset Import Library

An essential part of any modern static code analyzer is data flow analysis. However, from an outside perspective, the use of data flow analysis and its benefit is unclear. Some people still consider static analysis a tool searching for something in code according to a certain pattern. Thus, we occasionally write blog posts to show how this or that technology, used in the PVS-Studio analyzer, helps to identify another interesting... Read more

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Habr
Rapasantra @ Habr · 02/18/2021 08:45 EDT

Как сделать не стареющее тело? Общий принцип

Что есть общего между человеком и снежинкой? И человек и снежинка могут расти и, причём основной – базовый принцип создания тела снежинки и тела человека одинаковый. В математике и в информатике этот принцип известен под названием клеточные автоматы. Принцип заключается в том, что есть некоторые простые правила добавления или уничтожения элементов конструкции тела. Мы можем задать эти простые правила, задать эти начальные условия развития системы и далее остаётся только наблюдать,... Read more

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Habr
Andrey2008 @ Habr 1 place · 02/16/2021 13:02 EDT

Date Processing Attracts Bugs or 77 Defects in Qt 6

The recent Qt 6 release compelled us to recheck the framework with PVS-Studio. In this article, we reviewed various interesting errors we found, for example, those related to processing dates. The errors we discovered prove that developers can greatly benefit from regularly checking their projects with tools like PVS-Studio. Read more → Read more

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Habr
quaer @ Habr 2 place · 02/16/2021 08:22 EDT

Third Order Low-pass Filter with One Op Amp

Common approach to build a third order low-pass filter is to use two circuit stages and two Op Amps. Making good One Op Amp design is not always easy, but it is possible.Read more → Read more

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Habr
Alikberov @ Habr 2 place · 02/14/2021 14:34 EDT

Koyaanisqtsi: The WYSIWYG-style byte-code CPU

SVG-File (actual draft)LyricsAncient times are known to everyone not with immortal works from Homer's only, but also with the Pythagorean multiplication table, Euclidean geometry and the Archimedes screw and the Pi, which we learned to use only relatively recently. In antiquity the art was not only to be able to write poetry and prose, but to design catapults or battering tools also, now there are rigid frameworks, when the discovering... Read more

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Habr
foto_shooter @ Habr 1 place · 02/12/2021 14:22 EDT

Should We Initialize an Out Parameter Before Returning It from a Method?

Surely every C# developer has used out-parameters. It seems that everything is extremely simple and clear with them. But is it really so? For a kickoff, let's start with a self-test task. Read more → Read more

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Habr
eugeneovsyannikov @ Habr 1 place · 02/11/2021 02:40 EDT

Just for Fun: PVS-Studio Team Came Up With Monitoring Quality of Some Open Source Projects

Static code analysis is a crucial component of all modern projects. Its proper application is even more important. We decided to set up a regular check of some open source projects to see the effect of the analyzer's frequent running. We use the PVS-Studio analyzer to check projects. As for viewing the outcome, the choice fell on SonarQube. As a result, our subscribers will learn about new interesting bugs in... Read more

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Habr
siyacarla @ Habr 2 place · 02/10/2021 07:38 EDT

How CRM Data Analytics Help Increase Service Efficiency

Data is no longer a buzzword in the service industry. Acknowledging the value of customer data, service providers are happy to have tools like CRM software suites that are capturing detailed customer information across various touchpoints. But are businesses putting these data to good use? Forrester reports state that around 73 percent of data within a company or enterprise goes unused for analytics. Can businesses afford to do that? Can... Read more

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Habr
Bee_brightside @ Habr 3 place · 02/10/2021 05:14 EDT

Как сделать опрос потребителей максимально полезным

Перед открытием нового бизнеса, смены логотипа, расширением ассортимента или запуском рекламной кампании хорошо бы заранее знать главное — как воспримут ваши действия будущие покупатели? Будут ли новшества или активности иметь успех? Сработает ваша бизнес-модель, понравится ли пользователям новый логотип, или от него в восторге только дизайнеры? Принесет рекламная кампания пользу или проделает дыру в бюджете?Давайте же вспомним, чему нас учит маркетинг? Продавать нужно то, что будет непременно куплено. Мы п Read more

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Habr
IchNikola @ Habr 1 place · 02/09/2021 02:50 EDT

How to Get Nice Error Reports Using SARIF

Let's say you use GitHub, write code, and do other fun stuff. You also use a static analyzer to enhance your work quality and optimize the timing. Once you come up with an idea - why not view the errors that the analyzer gave right in GitHub? Yeah, and also it would be great if it looked nice. So, what should you do? The answer is very simple. SARIF is... Read more

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Habr
parthiba @ Habr 2 place · 02/08/2021 10:16 EDT

Top 5 Best Secure Video Streaming Platforms of 2021

In this modern era of technological advancements, it is important to connect with people who matter the most to your business i.e. customers. Are you searching for a secure online video platform for your business? Do you know what is secure streaming! Well, various online video platforms can help you in providing seamless videos to your customers. But what we need is a secure online video platform that can also... Read more

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Habr
aydu @ Habr 2 place · 02/07/2021 13:05 EDT

Algorithms in Go: Dutch National Flag

The flag of the Netherlands consists of three colors: red, white and blue. Given balls of these three colors arranged randomly in a line (it does not matter how many balls there are), the task is to arrange them such that all balls of the same color are together and their collective color groups are in the correct order.For simplicity instead of colors red, white, and blue we will be... Read more

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Habr
CGDrone @ Habr 2 place · 02/06/2021 14:20 EDT

A bit about our currently nameless game company, and what we’re working on at the moment

Hey everyone! I represent a game studio without a name, and the project we’re working on goes by the technical name of "CGDrone". I started writing this article earlier today, having tortured myself for ages with sketches, colours, algorithms and correcting bugs in rotations based on quaternions (the last one just about finished me off). You can probably understand I needed a break.I’ve often come across stories people have posted... Read more

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Habr
dmitrykabanov @ Habr 2 place · 02/06/2021 12:32 EDT

Damned if you do, damned if you don’t: how tech companies can cut through passive-aggressive media

Entrepreneurs make for easy targets. Whatever your business is doing, it’s guaranteed to ruffle some feathers. But don’t be quick to blame the public. Most times, being sceptical of change is only logical.Even those who buy into your product will probably expect it to fail. 20% of businesses shut their doors during their first year, and less then half survive for more than five. We may not know these numbers,... Read more

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