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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![[Translation] Collective meaning recognition](https://times42.com/media/0/9/2/4475092_640x200.jpg "[Translation] Collective meaning recognition")
The published material is in the Appendix of my book [1]Modern civilization finds itself at a crossroads in which to choose the meaning of life. Because of the development of technology, the majority of the world's population may be "superfluous" - not in demand in the production of values. There is another option, where each person is a supreme value, an absolute individual and can be indispensably useful in the... Read more ›
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Some time ago I discovered that Django has the ability to auto-register ModelAdmins. Since this is not common knowledge and carries a number of benefits, I decided to write an article about it to bring it to the attention of the Django community. Read about Django ModelAdmin autoregistry Read more ›
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I guess, it's not a big deal to say that Wi-Fi (IEEE 802.11 standards) is the one of the most popular and most spread communication technology of the current day. Especially indoors. The growing number of Wi-Fi devices still remains that leads to the overcrowded spectrums: both 2.4 GHz and 5 GHz.This fact means increasing of demand for some optimization routines for utilization of resources. And therefore some RRM (Radio... Read more ›
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Hello, I am Aleksandr Ivanov, CTO at Quadcode. We came to the Medium to show the Fintech “kitchen”; we’ve been at it for 8 years, so we can already share our experience. In our blog we will talk about architectures, technologies, tools and life hacks. Read more Read more ›
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WebRTC integrations have emerged as a game-changer in the Video Calling Technology over the years. The protocol has redefined the way real-time video communications take Developers can integrate WebRTCs commonly available as JavaScript APIs to add audio and video solutions to their apps. place. Developers can integrate WebRTCs commonly available as JavaScript APIs to add audio and video solutions to their apps. This tutorial will take you through the steps... Read more ›
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In the modern world, the term " **blockchain** " is steadily associated with cryptocurrencies, NFTs, mining, trading and financial pyramids. However, even among programmers and IT people there is not always a clear understanding of what it is and what it is for. This article attempts to look at this still relatively new element of the information and human space in practical and slightly philosophical aspects. > **Disclaimer**: The article... Read more ›
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![[Translation] Queries in PostgreSQL. Index scan](https://times42.com/media/7/1/2/4394712_640x200.jpg "[Translation] Queries in PostgreSQL. Index scan")
Queries in PostgreSQL. Index scanIn previous articles we discussed query execution stages and statistics. Last time, I started on data access methods, namely Sequential scan. Today we will cover Index Scan. Read more → Read more ›
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![[Translation] 11 вещей, о которых вы должны помнить перед стартом нового проекта на Flutter](https://times42.com/media/4/9/2/4393492_640x200.jpg "[Translation] 11 вещей, о которых вы должны помнить перед стартом нового проекта на Flutter")
Привет! Меня зовут Дарья, я Flutter-разработчик уровня Junior и это моя первая публикация на Хабре.Знаете, создавать новый проект всегда приятно — новая кодовая база, отсутствие legacy (пока что), null-safety, свежие версии ваших любимых пакетов и далее, далее, далее.Однако в начале проекта вы должны принять несколько важных решений: выбрать инструменты и пакеты для приложения, определить решение для управления состоянием, разработать план тестирования. В противном случае проект из красивой кареты превратит Read more ›
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In this guide, I'd like to share with you tips and tricks about ActiveRecord preloading and how you can enhance it to the next level. Read more Read more ›
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A similar article should have appeared earlier, about ten or fifthteen years ago, when Agile was just starting to be implemented in companies. How many mistakes, problems, conflicts could be avoided if managers immediately approached the issue correctly ...But during this time, the experience of "implementing" Agile in different conditions, in different companies has accumulated, which should be generalized and widely disseminated. Read more Read more ›
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![[recovery mode] Как мы перевели API-модули микросервисного проекта с Feign на OpenFeign](https://times42.com/media/7/6/9/4359769_640x200.jpg "[recovery mode] Как мы перевели API-модули микросервисного проекта с Feign на OpenFeign")
Всем привет! Недавно мы решили задачу, как перейти на новую версию Spring + OpenFeign в мультимодульном проекте, в котором выделен API с навешенными аннотациями @FeignClient@RestController и @FeignClient. Я, Алексей Скакун, @hyragano ведущий разработчик ДОМ.РФ, поделюсь с вами этим кейсом. Читать далее Read more ›
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Today we're talking multi-factor authentication, also known as two-factor authentication, and 2-step verification. It's got a few names but what is it?Well, essentially it's proving your identity in more than one way. The principle being that if one of these authentication factors is defeated, that's not enough to give access to your data. So your data should be secure if someone steals your password for example. It's not enough to... Read more ›
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Sometimes programming with mutexes gets too complicated and messy. Maybe you need to meet a new friend — the Event Loop pattern. Read more Read more ›
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![[recovery mode] Information is changed by entropy](https://times42.com/media/3/8/7/4316387_640x200.jpg "[recovery mode] Information is changed by entropy")
According to the no-cloning theorem it is impossible to create an independent and identical copy of an arbitrary unknown quantum state. We cannot delete any quantum information as well. All changes in time of the state vector in quantum mechanics are described by the action of unitary operators. Accordingly, there must be an operator performing a deleting operation. The operator must be a zero matrix in order to nullify quantum... Read more ›
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Всем привет! Хочу поделиться новостями о том, как развивается BI-платформа в inDriver. Сегодня расскажу, как мы внедрили программу обучения Tableau в компании, чтобы развивать нашу self-service аналитику и децентрализовать процесс анализа данных. Перед тем, как начать рассказ про наш тернистый путь из проб, ошибок и успехов, хочу сделать небольшое лирическое отступление о том, из каких больших структурных блоков состоит наша BI-платформа. Их 3 — архитектура, self-service и репортинг. Подробнее о... Read more ›
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This article discusses the lexical analyzer, which is an integral part of any compiler. The task of the lexical analyzer is to split the source code of the program into tokens. So for example the codeprint(1 + 2) will be tokenized asprint, (, 1, +, 2 and )Read more → Read more ›
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N1Loader is designed to provide a simple way for avoiding N+1 issuesof any kind. Gladly, it's super easy to integrate with your GraphQLAPI. Without further delay, let's look at a simple but yet detailedexample. Read more Read more ›
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Different navigation message protocols are used for different navigation signal type. This is true even for a single system like NAVSTAR GPS. For example, L1C/A signals have a LNAV protocol, while L2C and L5 signals utilize a CNAV protocol. The newest L1C signal will use CNAV-2. The protocol defines a data distribution into frames, subframes, the subframes structure, transmission intervals, data resolution and so on. A navigation receiver use the... Read more ›
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В марте 2010 года были популярны в том числе и на Хабре, бесплатные хостинги картинок: собственного сервиса habrastorage.org у сайта ещё не было, а по форумам была довольно популярной услуга — опубликовать картинку на стороннем сервисе и показать её в статье или в комментарии. Возник вопрос — много ли таких сервисов в природе, чтобы бесплатно и главное — без регистрации, позволяли бы достаточно надёжно публиковать картинки, в основном, не требуя... Read more ›
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Positive Hack Days 11 will begin in a matter of weeks. This international forum on practical security will be held on May 18–19 in Moscow. The red and blue teams for The Standoff have already been formed, and we are putting the finishing touches to the cyberrange infrastructure and the conference program.As per tradition, PHDays will have three big tracks dedicated to countering attacks (defensive), protection through attack (offensive), and... Read more ›
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29.12.2025 16:58
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