News from Habr

Решаем проблемы роста нагрузки в умных домах

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Goobs (Конференции Олега Бунина (Онтико)) @ Habr 1 place · 04/03/2025 05:30 EDT

Всем привет! Меня зовут Вадим Трегубов, я техлид бекэнда платформы умного дома в SberDevices. Я расскажу о проблемах роста нагрузки, возникающие у проектов интернета вещей и решениях, помогают их избежать.Всё началось с того, что мы хотели избавиться от vendor-lock. К 2022 году мы уже наработали свои платформенные сервисы: управление голосом, создание сценария автоматизации. Хотелось их использовать еще шире, глубже и качественнее. Плюс ко всему, мы бы имели полный цикл поддержки... Read more ›

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How to Add Any CSS Framework to Your Project. Part 2

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m_ig @ Habr 2 place · 04/03/2025 05:03 EDT

Typically, I use the following structure for global styles in any project. This setup allows for a highly flexible, easy-to-read, and maintainable style system, which is crucial for large projects that may last several months or even years.Let’s review each of these folders:Common: contains typography styles, imported fonts, icons, and core styles used across the project, such as container.scss or helpers.scss. Read more Read more ›

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Линейная регрессия: как стать магом предсказаний с помощью статистических методов

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tagoki @ Habr 3 place · 04/03/2025 02:15 EDT

Многие из нас мечтали бы заглянуть в будущее — ведь это по-настоящему полезный навык. А что, если я скажу, что при помощи математики можно приблизиться к этой мечте? Да, с некоторыми оговорками, но в этой статье мы попробуем почувствовать себя настоящим Докторам Стрэнджам и предсказать какую кассу соберет фильм при определенном бюджете.Сегодня мы простыми словами разберёмся, что такое линейная регрессия и напишем код на Python, который демонстрирует работу линейной регрессии.... Read more ›

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[Translation] The Links Theory 0.0.2

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Konard @ Habr 1 place · 04/01/2025 08:15 EDT

This world needs a new theory — a theory that could describe all the theories on the planet. A theory that could easily describe philosophy, mathematics, physics, and psychology. The one that makes all kinds of sciences computable.This is exactly what we are working on. If we succeed, this theory will become the unified meta-theory of everything.A year has passed since our last publication, and our task is to share... Read more ›

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Универсальное решение или компромисс: стоит ли покупать игровой ноутбук для работы

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Xcom-shop (Группа компаний X-Com) @ Habr 2 place · 04/01/2025 02:37 EDT

Выбирая ноутбук для работы, многие задумываются: а что, если взять игровую модель? Логика простая — раз он тянет современные игры, то и с рабочими задачами справится на ура. Давайте разберемся, насколько это верно и кому такой вариант может подойти, а кому – нет. Статья предназначена для тех, кто сам еще не задумывался об этих вопросах и не составлял список плюсов/минусов использования игрового ноутбука в качестве рабочей машины. Read more Read more ›

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Gemma 3 Tutorial for Beginners – Google’s Most Powerful Open AI

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profleaddev @ Habr 3 place · 04/01/2025 00:13 EDT

Google has introduced Gemma 3, a collection of lightweight, open-source AI models designed for efficient performance across various devices, from smartphones to workstations. Building upon the technology of the Gemini 2.0 models, Gemma 3 supports over 140 languages and offers advanced text and visual reasoning capabilities. What's to know more? Then, read this article until the end. Read more Read more ›

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How to Add Any CSS Framework to Your Project. Part 1

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m_ig @ Habr 1 place · 03/27/2025 07:47 EDT

There are several ways to integrate a CSS library into your project. By “CSS library,” I mean any modern CSS framework or UI library, such as Bootstrap, NG-Zorro, PrimeNG, etc. While all these methods work, many do not offer great flexibility or support deep customization of the chosen framework.To build a robust foundation for your design system and ensure easy future customization, it’s best to use the source code styles... Read more ›

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[Translation] Top Web Parsers and API Services for Data scraping: A Comparison of Speed, Scalability, and Bypassing Protections

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Markus_automation @ Habr 1 place · 03/26/2025 02:37 EDT

Automatic data scraping (parsing) has become an essential practice for developers, analysts, and automation specialists. It is used to extract massive amounts of information from websites—from competitors’ prices and reviews to social media content. To achieve this, numerous “scrapers” have been developed—libraries, frameworks, and cloud services that enable programmatic extraction of web data. Some solutions are designed for rapid parsing of static pages, others for bypassing complex JavaScript navigation, Read more ›

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Detailed discussion about Lee generation and initial contact with potential clients

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PaulKarol @ Habr 2 place · 03/25/2025 03:51 EDT

I'd be interested in a detailed discussion about lead generation and initial contact with a potential client. Kind of a very first step in the funnel.Currently many different companies are asking me this question so I thought I would address it here. It seems that business will be opening up for America soon and IT companies in Russia are trying to prepare for this and hit the ground running.Lead generation... Read more ›

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ChatGPT Canvas Killer? Hands-On with Google Gemini Canvas

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profleaddev @ Habr 2 place · 03/24/2025 10:41 EDT

The world of AI is constantly evolving, and it feels like every week brings a new tool promising to revolutionize how we work and create. I recently got a chance to try out Gemini Canvas, a new interactive space built into Google’s Gemini app. If you want to know what I discovered and how you might use it, read this article until the end. Read more Read more ›

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Can we guarantee that there will be no memory leaks due to circular references?

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rsashka @ Habr 1 place · 03/21/2025 17:05 EDT

The most common types of software bugs are memory management bugs. And very often they lead to the most tragic consequences. There are many types of memory bugs, but the only ones that matter now are memory leaks due to circular references, when two or more objects directly or indirectly refer to each other, causing the RAM available to the application to gradually decrease because it cannot be freed. Memory... Read more ›

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A React Native & Lynx i18n solution that keeps your translations organized

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aymericzip @ Habr 2 place · 03/21/2025 09:42 EDT

If you’re building a multilingual React Native (or web) app, you’ve probably tried react-i18next, i18n-js, LinguiJS, or similar libraries.But in every project, the same issues come up: ❌ Unused key-value pairs are never removed ❌ Content gets duplicated ❌ Ensuring format consistency across languages is painful ❌ i18next doesn’t generate TypeScript types by default – so t("my.key") won’t throw even if it’s been deleted ❌ Localization platforms like Lokalise or... Read more ›

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[Translation] How to Bypass Cloudflare Turnstile CAPTCHA – or Bypassing Cloudflare at Varying Levels of Difficulty

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kentavr009 @ Habr 3 place · 03/21/2025 07:07 EDT

As part of my scientific and research interests, I decided to experiment with bypassing complex types of CAPTCHAs. Well, by “experiment” I mean testing the functionality and verifying that my electronic colleague can write code on my behalf. Yes, there was a lot of extra stuff—follow ethical norms, blah blah blah… But the simple fact remains: dude, I’m doing this solely as part of research, and everyone agreed. Read more Read more ›

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Building Flame Diagram for MSSQL stored procedures

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Tzimie @ Habr · 03/21/2025 04:59 EDT

If your code has many nested executions of stored procedures, you can benefit from building popular "flame diagram" of the execution time which is de facto standard for performance profiling. Read more Read more ›

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[Translation] Mastering Data Lifecycle Management: ILM in Postgres Pro Enterprise 17

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melanny20 (Postgres Professional) @ Habr 3 place · 03/20/2025 09:05 EDT

Storing all your data in one place might seem convenient, but it’s often impractical. High costs, database scalability limits, and complex administration create major hurdles. That’s why smart businesses rely on Information Lifecycle Management (ILM) — a structured approach that automates data management based on policies and best practices.With Postgres Pro Enterprise 17, ILM is now easier than ever, thanks to the pgpro_ilm extension. This tool enables seamless data tiering,... Read more ›

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You Can Grow or Stay Stuck: It All Depends on Your Mindset

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vasilevafb @ Habr 2 place · 03/20/2025 02:58 EDT

Check Yourself:– Does your mindset hold you back? – Do you try to look smarter than you are? – Do you avoid difficult tasks to not seem "incompetent"? – Do you believe success is all about talent, not effort? – Do you think working harder means you're less talented?If you said yes to these, Read more Read more ›

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Ошибка тестирования с Laravel Prompts в Laravel-Zero

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Helldar @ Habr 1 place · 03/19/2025 02:00 EDT

Laravel-Zero - это микро-фреймворк для консольных приложений на базе Laravel Framework, позволяющий легко и быстро разрабатывать функционал работающий без веба. Но инициатором этой статьи стал кейс при использовании Laravel Prompts с несколькими часами потраченного времени.Для экономии Вашего времени при столкновении с этой ошибкой или вовсе преждевременным её устранением, добро пожаловать под кат. Читать далее Read more ›

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Master Google AI Studio in 10 Minutes

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profleaddev @ Habr 1 place · 03/18/2025 00:51 EDT

Hey everyone! I'm super excited to share something cool I've been playing around with: Google AI Studio. It's like a playground where you can build stuff with Google's AI models. So, if you're curious and want to dip your toes into the world of AI, follow along! I'll show you the basics. Read more Read more ›

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jBPM as AI Orchestration Platform

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lukyanchikov @ Habr 1 place · 03/13/2025 06:46 EDT

Author: Sergey Lukyanchikov, C-NLTX/Open-SourceDisclaimer: The views expressed in this document reflect the author's subjective perspective on the current and potential capabilities of jBPM.This text presents jBPM as a platform for orchestrating external AI-centric environments, such as Python, used for designing and running AI solutions. We will provide an overview of jBPM’s most relevant functionalities for AI orchestration and walk you through a practical example that demonstrates its effectiveness as an Read more ›

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Energomera CE6806P: Bridging Analog and Digital in Energy Metering

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wb-engineer (Wiren Board) @ Habr 2 place · 03/12/2025 08:09 EDT

How did engineers in the past manage to measure electrical power without modern microchips and DSPs? This article explores the Energomera CE6806P, a device created in 2006 for verifying electricity meters, yet built using 1980s-era technology.We’ll take a closer look at its design, principles of operation, and how discrete-analog solutions were used to achieve high accuracy. The Energomera is a fascinating example of engineering and ingenuity, giving us a unique... Read more ›

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