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22.12.2025 − 28.12.2025
Habr
NikoCerens @ Habr · 12/22/2025 16:27 EDT

Тот самый 19-летний «визионер»: показываю архитектуру своего AI-бота для микро-обучения (n8n + Supabase + OpenAI)

В прошлом посте мне предрекли судьбу старухи у разбитого корыта. Комментаторы справедливо заметили: «Визионер без хард-скиллов - это просто мечтатель». Я обещал не спорить, а показать результат. Время пришло.Убираем лирику, достаем «мясо». Внутри - полный разбор архитектуры AI-платформы на n8n + Supabase + OpenAI: как реализовать рекуррентные платежи, SRS-систему повторений и генерацию PDF-дипломов, не написав и сотни строк кода вручную. Смотреть архитектуру и «макароны» n8n Read more

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Habr
netsvetaev @ Habr 1 place · 12/02/2022 10:02 EDT

InvokeAI 2.2: UI Outpainting, Embedding Management and more

InvokeAI 2.2 is now available to everyone. This update brings in exciting features, like UI Outpainting, Embedding Management and more. See highlighted updates below, or the full release notes for everything included in the release. What’s new? Read more

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Habr
lucius @ Habr 1 place · 11/26/2022 10:04 EDT

[Translation] Mocking RESP API in 20 minutes via Yakbak

Imagine this: you are an ordinary frontend developer. When you open your mailbox you found a message — tomorrow DevOps team will make an optimization with Kubernetes. You are experienced developer and you know that environment operation test might go sideways. Test environment is crucial for your job as frontend developer and you don’t want to miss a whole day on a job, so there are two possible solutions present:Setup... Read more

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Habr
Browning @ Habr 1 place · 11/23/2022 15:20 EDT

The On-Line Encyclopedia of Integer Sequences today

You can encounter integer sequences all around combinatorics, number theory, and recreational mathematics. And if there is a multitude of objects of the similar form, then one can create an index for these objects. The On-Line Encyclopedia of Integer Sequences, OEIS, is such an index.This article covers the On-Line Encyclopedia inclusion criteria, its editorial process, its role in mathematics, and its future.This is a translation of my article The On-Line... Read more

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Habr
sepulkary @ Habr 2 place · 11/23/2022 05:48 EDT

Python Junior Plus, or the beginner's Roadmap to becoming a Python programmer

Hello! My name is Mikhail Emelyanov, I am embedded software engineer, and I was inspired to write this little roadmap on the capabilities of Python language by a certain commonality among the existing Python tutorials found on the web.The usual suggestions to study, say, “Algorithms and Data Structures” or “Databases” are especially jarring. You can spend years studying these topics, and even after decades you'd still be able to find... Read more

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Habr
parthiba @ Habr 1 place · 11/19/2022 05:50 EDT

How Can I Start My Own IPTV Provider?

IPTV is quickly rising to the top of the list of TV viewing options for viewers worldwide. other types of home entertainment, including music and video. This indicates a developing market for service providers and a potential new source of income. But how can you set up an IPTV service? Mware Solutions can assist you in establishing the required infrastructure for a successful entry into this cutthroat market.TV delivered using... Read more

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Habr
lucius @ Habr 1 place · 11/18/2022 05:26 EDT

Кешируем API ответы для frontend приложения с помощью Yakbak

Представьте себе типичную ситуацию: вы frontend разработчик в обычный компании. После сытного обеда вы лениво скроллите Хабр и смотрите Ютуб. Вдруг в чат прилетает сообщение от девопсов: "Ребята, мы планируем сегодня вечером разгрузить мастер и перенести admission контроллер на ноду и чтобы два раза не вставать всем подам выделим 50 CPU. Завтра всё будет работать как обычно, но быстрее!" Вы понимаете, что скорее всего всё пойдёт не так и штатной... Read more

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Habr
ichikmarev @ Habr 2 place · 11/17/2022 11:58 EDT

WWDC22 hidden gems

For iOS developers, WWDC is always something of a New Year. We are presented with so many new products, and sometimes you can get lost in them. Most of my colleagues are trying to be in touch by watching “Platform State of Union” and all “What’s new” sessions. The event basically provides an opportunity to developers a glimpse of the features to expect from the software part. When Apple has... Read more

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Habr
AnnaKabanets @ Habr 3 place · 11/17/2022 06:22 EDT

Как услышать голос клиента: внедряем Data Driven подход в управление клиентским опытом

С 2010 года мировая экономика проходит трансформацию от рынка товаров к рынку впечатлений. Клиентам уже не так важен сам продукт и его цена. В приоритете простота, доступность продукта и лёгкость использования на каждом этапе CJM. Системная работа с обратной связью, положительной и отрицательной, помогает завоевать лояльность, усилить позиции, закрепить лидерство.Ещё один современный тренд — клиентский опыт становится цифровым. Трансформируются не только стандарты общения, но и технологии сбора обратной свя Read more

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Habr
Dmitrii_Konstantinov @ Habr 3 place · 11/16/2022 14:20 EDT

Startup story — how we pivoted mobile apps and business from «beauty Uber» to «beauty coworking»

Hi everyone! My name is Dmitrii Konstantinov and this is a personal story of experience and growth in a cozy startup. How we made a business pivot and adapted the server and mobile apps for it. What challenges did we face and how did we solve them. Read more Read more

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Habr
Evrone @ Habr 2 place · 11/16/2022 06:13 EDT

In 2021, we were contacted by an industrial plant that was faced with the need to create a system for analyzing processes in its production. The enterprise team studied ready-made solutions, but none of the analytics system designs fully covered the required functionality. So they turned to us with a request to develop their own analytical system that would collect data from all machines and allow it to be analyzed... Read more

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Habr
Dmitrii_Konstantinov @ Habr 3 place · 11/16/2022 05:43 EDT

GLAMY startup — how we pivoted mobile apps and business from «beauty Uber» to «beauty coworking»

Hi everyone! My name is Dmitrii Konstantinov and this is a personal story of experience and growth in a cozy startup. How we made a business pivot and adapted the server and mobile apps for it. What challenges we faced and how we solved them. The article may be of interest to managers, designers, and engineers. Read more Read more

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Habr
trusted @ Habr · 11/16/2022 02:00 EDT

[Translation] Understanding the Differences Between Kafka and RabbitMQ: in Simple Terms

Software message brokers became the standard for creating complex systems. However not all IT specialists understand how these instruments work. Pavel Malygin, Lead System Analyst at Innotech, dives into the topic of message brokers and explains how they are used. Read more Read more

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Habr
kaze_no_saga @ Habr · 11/16/2022 01:01 EDT

[Translation] PostgreSQL 16: Part 2 or CommitFest 2022-09

It's official! PostgreSQL 15 is out, and the community is abuzz discussing all the new features of the fresh release.Meanwhile, the October CommitFest for PostgreSQL 16 had come and gone, with its own notable additions to the code.If you missed the July CommitFest, our previous article will get you up to speed in no time.Here are the patches I want to talk about:SYSTEM_USER functionFrozen pages/tuples information in autovacuum's server logpg_stat_get_backend_idset... Read more

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Habr
pulsework @ Habr 1 place · 11/14/2022 07:17 EDT

Digital modeling of analog guitar distortion effects

The sound of rock music, in particular of hard rock and heavy metal, is largely based on a specially distorted guitar sound, for which electronic “distortion” devices, tube amplifiers in “overloaded” mode, computers with appropriate software and digital processors are used. increasingly using neural network algorithms.The distorted sound of electric guitars began to gain popularity around the 1960s. Since that time, the sound of overloaded tube amplifiers, connected to powerful... Read more

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Habr
vvzvlad @ Habr 1 place · 11/14/2022 02:55 EDT

Укрощаем одноглазого змея. Разбираемся с WireGuard и делаем свой умный VPN

Забавная ситуация: сайтов и сервисов, доступных только через VPN, все больше, но при этом многие российские компании закрывают доступ из-за границы. В результате приходится целыми днями теребить ползунки «вкл-выкл», что утомительно. Я расскажу, как с помощью магии маршрутов и WireGuard, решить эту проблему и сделать «умный» VPN, который не надо отключать.Если ты пользуешься VPN, то и сам наверняка сталкиваешься с блокировками зарубежного трафика. К примеру, могут не открываться pochta.ru, leroymerlin.ru,... Read more

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Habr
Zlaylink @ Habr 3 place · 11/14/2022 02:37 EDT

How to handle Stale Element Reference Exception in E2E testing of modern SPA applications

Hello everyone, my name is Denis, I am Software Developer Engineer in Test (SDET) at Bimeister. I am in charge of test software development - frameworks, automated tests, CI Pipelines configuration, and much more.In this article, I will tell you how we defeated the Stale Element Reference Exception while developing our framework using Selenium WebDriver and C#. Read more Read more

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Habr
netsvetaev @ Habr 1 place · 11/12/2022 19:16 EDT

I trained a neural network on my drawings and give the model for free (and teach you to create your own)

Great for seamless patterns, abstract drawings, and watercolor-styled images. How to use it and train a neural network on your own pictures?Download the model here: https://huggingface.co/netsvetaev/netsvetaev-free I wanna know! Read more

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Habr
sharr @ Habr 1 place · 11/11/2022 16:38 EDT

[recovery mode] Features to expect from Apple's upcoming AR/VR headset

Apple next year is planning to enter a new product category, launching its first mixed reality headset. Rumors indicate that the upcoming headset will support both AR and VR technology, and that it will have features that will outshine competing products.With the iPhone, iPad, and Apple Watch, Apple's hardware and software led it to dominate those categories within a few short years after entering a new market, and it's likely... Read more

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Habr
Dmitrii_Konstantinov @ Habr 1 place · 11/09/2022 07:51 EDT

«Look what I have!» — how we made the feature of screen sharing in the mobile video conferencing app

How we listened to the needs of our customers and implemented the feature with the maximum capabilities of the iOS and Android platforms. Then we looked into analytics, added onboarding, and usage grew. At the end of the article there are some cool conclusions and insights. Developing a video conferencing mobile app is fun! Read more Read more

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Habr
kaze_no_saga @ Habr 1 place · 11/08/2022 07:14 EDT

[Translation] Queries in PostgreSQL. Nested Loop

So far we've discussed query execution stages, statistics, and the two basic data access methods: Sequential scan and Index scan.The next item on the list is join methods. This article will remind you what logical join types are out there, and then discuss one of three physical join methods, the Nested loop join. Additionally, we will check out the row memoization feature introduced in PostgreSQL 14. Read more Read more

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29.12.2025 10:53
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