News from Habr

React Native Splash Screen — support for different themes

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dev_family @ Habr 1 place · 09/20/2024 05:27 EDT

Hi all! The dev.family team is in touch. In this article, we are sharing a short guide on how to install Splash Screen in a cross-platform app written in React Native with support for multiple themes.Splash screen is the first screen that users see before loading into the main application. This screen is perhaps the best way to make the name of your app, and in general, its entire name,... Read more ›

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Q3 2021 DDoS attacks and BGP incidents

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Shapelez @ Habr 1 place · 10/21/2021 10:34 EDT

The third quarter of 2021 brought a massive upheaval in the scale and intensity of DDoS attacks worldwide.It all led to September when together with Yandex, we uncovered one of the most devastating botnets since the Mirai and named it Meris, as it was held accountable for a series of attacks with a very high RPS rate. And as those attacks were aimed all over the world, our quarterly statistics... Read more ›

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Best Digital Communication API Providers in 2021: All that You Must Know

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parthiba @ Habr 2 place · 10/21/2021 03:29 EDT

Digital communication APIs and SDKs! the most powerful tool in the era of digitalization. Unlike other tools, these real time communication APIs have spread their impact over all industries and have successfully grabbed the attention of proficient developers too.Based on the demand and need of developers to know more about these digital communication APIs and SDKs concerning their market availability with pricing, features and functionalities, I have posted this article... Read more ›

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Using the Machine Learning model to detect credit card fraud

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Amrita123 @ Habr 2 place · 10/20/2021 08:08 EDT

When we move towards the digital world, we shouldn’t forget that cybersecurity has been playing a major role in our life. Talks about digital security have been stiff. The main challenge we would face is abnormality.During an online transaction, most of the product-lovers prefer credit cards. The credit limit available in credit cards would allow us to purchase even when our bank balance is insufficient. But this is great news... Read more ›

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Structure of a Servo Drive with Harmonic Speed Reducer

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servosila @ Habr 3 place · 10/20/2021 07:58 EDT

In this video we will look at basic components of a high-precision servo drive based on a harmonic speed reducer. Such a servo drive might be used in a robotic arm manipulator or a CNC machine. Servosila harmonic speed reducers are created for those applications where space is at premium while lowest possible weight and minimal backlash are the key design drivers.Lets look at how Servosila harmonic speed reducer works.... Read more ›

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What's new in C# 10: overview

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DstRoses @ Habr · 10/20/2021 04:33 EDT

This article covers the new version of the C# language - C# 10. Compared to C# 9, C# 10 includes a short list of enhancements. Below we described the enhancements and added explanatory code fragments. Let's look at them. Read more Read more ›

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Composable Contexts Architecture

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Saldojin @ Habr 1 place · 10/18/2021 10:38 EDT

Let’s talk about app architecture and the approach I apply as an iOS software engineer in a few companies. My team and I were trying to build something solid without slipping into a dense swamp where following the rules distracts you from actual business domain code. As a result, we got something that works for us and good enough to be told from my point of view. Read more Read more ›

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[recovery mode] The Ideal Economy

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Master255 @ Habr 1 place · 10/17/2021 05:30 EDT

I am not an economist, but in light of current events with cryptocurrencies and the economy in general, I would like to share my thoughts on some kind of ideal economy, around which everything is happening now. Read more... Read more ›

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Mina Monitor — convenient monitoring your Mina nodes

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olton @ Habr 1 place · 10/15/2021 04:36 EDT

My name is Serhii Pimenov. I’m a web developer from Kyiv, Ukraine (maybe you know me by the nickname olton). Today I'm going to speak about one of my tools for the Mina blockchain - “Mina Monitor”. It’s the first article in the series about Mina and Mina Tools. In this article, I will introduce you to my tool for monitoring the Mina nodes. Let's start Read more ›

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SwiftUI and MVI

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VAnsimov @ Habr 2 place · 10/14/2021 12:00 EDT

UIKit first appeared in iOS 2, and it is still here. Eventually we got to know it well and learned how to work with it. We have found many architectural approaches. MVVM, the most popular architecture in my opinion, has strengthened its position with the release of SwiftUI, while other architectures seemed to have some kind of problematic relationships with SwiftUI.But what if I told you that Clean Swift, VIPER... Read more ›

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Сквозь тернии к IPv6

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temujin @ Habr 3 place · 10/14/2021 05:00 EDT

В этом году тихо и незаметно прошёл десятилетний юбилей Международного дня IPv6. Данное событие носило скорее диагностический характер проверки готовности запуска и перехода на IPv6 в масштабах интернета. Через год состоялось более активное и помпезное мероприятие, которое можно принять за точку отсчёта и начало новой эпохи глобальных вычислительных сетей. Read more → Read more ›

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C++ tools evolution: static code analyzers

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Andrey2008 @ Habr 1 place · 10/12/2021 13:25 EDT

Modern applications have lots of code. And the C++ language doesn't get easier. Nowadays, code reviews are not enough to fully analyze program code. Here's where static code analysis comes in. Read more → Read more ›

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Making an Encoder Cable for Servosila Brushless Motor Controller. Testing in Direct Drive mode

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servosila @ Habr 2 place · 10/12/2021 08:07 EDT

In this video, we are making a cable for connecting a quadrature encoder to a Servosila brushless motor controller, and and then running a servo motor in Direct Drive mode. To make the cable we are using a cable assembly kit that can be purchased from the internet store. Alternatively, the components for the cable can be bought in other places. The part numbers are given in the controller's datasheet.... Read more ›

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Лекарства становятся доступны в онлайне. История вопроса

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maximagarev @ Habr 3 place · 10/12/2021 02:58 EDT

В начале осени вступили в силу обновлённые правила онлайн-продажи лекарств с доставкой. Возможность продавать теперь есть не только у крупных аптечных сетей, но и у одиночных аптек — они смогут выйти за пределы своего района и найти новых покупателей. Для людей, в свою очередь, стало проще, быстрее и дешевле купить лекарства онлайн. Но возможности малых аптек в маркетинге и логистике ограничены, и им трудно конкурировать с гигантами. В помощь им... Read more ›

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PVS-Studio 7.15: MISRA, CWE, OWASP, Unreal Engine

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Andrey2008 @ Habr 2 place · 10/11/2021 03:41 EDT

We are actively developing the PVS-Studio static analysis tool towards detecting Safety and Security-related errors. To be more precise, we've expanded the coverage of the MISRA C:2012 and OWASP ASVS standards. We have supported the MISRA Compliance 2020 standard. One of the more extraordinary innovations is the Best Warnings display mode. This mode displays the most significant (meaningful) warnings and can be useful when you are just starting out with... Read more ›

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SEPIC-Ćuk split-rail converter average model

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quaer @ Habr 1 place · 10/08/2021 17:22 EDT

SEPIC-Ćuk split-rail converter can be used to make positive and negative supplies from a single input voltage for relatively well-matched loads like operational amplifiers.Transient models are time consuming. Average models reduce modeling time drastically.The PWM switch average models for current- and voltage-mode are described in details in Christophe Basso’s book “Switch-Mode Power Supplies, Second Edition: SPICE Simulations and Practical Designs”. Using of these models for SEPIC and Ćuk converters are... Read more ›

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Detecting errors in the LLVM release 13.0.0

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Andrey2008 @ Habr 2 place · 10/08/2021 15:09 EDT

Commercial static analyzers perform deeper and fuller code analysis compared to compilers. Let's see what PVS-Studio found in the source code of the LLVM 13.0.0 project. Read more → Read more ›

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Голый функционал: обзор видеорегистратора, спроектированного пандемией

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ushim @ Habr 3 place · 10/08/2021 03:24 EDT

Компания Playme специализируется на гибридных регистраторах и радар-детекторах. Именно в Playme была разработана сигнатурная технология детектирования, которая по образцам сигналов, с одной стороны, умеет точно определять модель полицейского радара, а с другой — с высокой эффективностью отсеивает источники ложных оповещений (которых на практике в городе так много, что ездить с несигнатурным радар-детектором практически невозможно). Видеорегистратор Playme Go — один из «плодов пандемии»: дизайн, характерис Read more ›

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We have published a model for text repunctuation and recapitalization for four languages

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snakers4 @ Habr 1 place · 10/06/2021 10:20 EDT

Working with speech recognition models we often encounter misconceptions among potential customers and users (mostly related to the fact that people have a hard time distinguishing substance over form). People also tend to believe that punctuation marks and spaces are somehow obviously present in spoken speech, when in fact real spoken speech and written speech are entirely different beasts.Of course you can just start each sentence with a capital letter... Read more ›

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Как удержать цену в пандемию — опыт управления производством в ситуации мирового форс-мажора

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ushim @ Habr 2 place · 10/06/2021 08:46 EDT

Вызванный пандемией экономический кризис ударил по экономикам всего мира двумя путями: первым, более очевидным — это снижение и частичная остановка экономической активности из-за карантинных мер в разных странах. И вторым, более разрушительным: вызванными локдаунами нарушениями цепочек производства и поставок. Одно из достижений, которым гордилась современная экономика — это тонко настроенное глобальное разделение труда, при котором логистические цепочки растянуты по всей планете, и поставки по ним ходят «в Read more ›

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Прокачиваем силу — Rust и Windows API

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Nurked @ Habr 3 place · 10/06/2021 05:00 EDT

Недавно я написал статтью Трясём стариной — или как вспомнить Ассемблер, если ты его учил 20 лет назад. В статье рассказывается о том, как изучать ассемблер на примере игрушки 2048. Возможно для целей самой статьи игрушка была подходящая, но конечный результат меня немного удручил. Бинарник размером в 10 килобайт, который потребляет 2 мегабайта памяти, из-за неправильно слинкованной библиотеки резал глаза. Посему я задался вопросом, а как это можно было бы... Read more ›

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