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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In the first part of You don't know Redis, I built an app using Redis as a primary database. For most people, it might sound unusual simply because the key-value data structure seems suboptimal for handling complex data models.In practice, the choice of a database often depends on the application’s data-access patterns as well as the current and possible future requirements.Redis was a perfect database for a Q&A board. I... Read more ›
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RAM disk, this is a disk based on RAM memory chips. This kind of disk is not able to retain data after the power is turned off (unless a supporting battery is used), but has an exceptionally high read/write speed (especially for random access) and an unlimited lifespan. It is important in tasks that need a lot of cycles to write over information, even professional SSD drives don’t live long.... Read more ›
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When building a network for communication between a large number of devices, one may think: what interface to choose? Each interface has its own pros and cons that determine its application: CAN — Automotive, RS485 / RS232 — Industrial, Ethernet — Consumer Electronics / Server. What features of the transceiver microcircuit help to protect against many problems during installation and operation? How is the process of measuring and researching of... Read more ›
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![[Translation] How to make debug-friendly method references](https://times42.com/media/7/3/2/2596732_640x200.jpg "[Translation] How to make debug-friendly method references")
Java 8 introduced two kinds of functional expressions: lambda expressions like s -> System.out.println(s) and method references like System.out::println. At first, developers were more enthusiastic about method references: they are often more compact, you don't need to think up the parameter name, and, as urban legends say, method references are somewhat more optimal than lambda expressions. Over time, however, the enthusiasm waned. One of the problems with method references is... Read more ›
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![[Translation] MyBee — FreeBSD OS and hypervisor bhyve as private cloud](https://times42.com/media/5/3/5/2588535_640x200.jpg "[Translation] MyBee — FreeBSD OS and hypervisor bhyve as private cloud")
This article is aimed to describe FreeBSD OS as a platform to launch cloud guest OSes with simple API capabilities, using MyBee and DevOPS I really like! Read more Read more ›
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We, the PVS-Studio static code analyzer developers, have a peculiar view on beauty. On the beauty of bugs. We like to find grace in errors, examine them, try to guess how they appeared. Today we have an interesting case when the concepts of length and size got mixed up in the code. Read more → Read more ›
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This article continues a series of notes about colorization. During today's experiment, we’ll be comparing a recent neural network with the good old Deoldify to gauge the rate at which the future is approaching. This is a practical project, so we won’t pay extra attention to the underlying philosophy of the Transformer architecture. Besides, any attempt to explain the principles of its operation to a wide public in hand waving... Read more ›
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C# has low barriers to entry and forgives a lot. Seriously, you may not understand how things work under the hood but still write code and remain easy-going about this. Though you still have to deal with different nuances over time. Today, we'll look at one of such subtle aspects — handling enumerations. Read more → Read more ›
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As a side hustle, I teach tech recruiters web and software development technologies using plain English. It helps them with understanding job specs and resumes and it makes all of us, tech people, happier.I run a weekly newsletter and often get feedback from recruiters via email or LinkedIn DMs.I thought that I could try to collect feedback using the “Reactions” feature just like LinkedIn or Facebook does. It’s not as... Read more ›
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In this article we will once again return to the tired topic of webinars and webinar hosting tools. And no, we're not about to code a whole new system for webinar hosting – there are already plenty of those. Instead, we will talk about connecting drawing software to the webinar, so that you could manually draw and broadcast the process. Read More Read more ›
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Getting acquainted with the CodeIgniter 4 PHP framework is quite simple.Spend the evening following the instructions in the «Build Your First Application» section. Since the documentation is written in a good, technically understandable language, it is even possible to get some aesthetic pleasure in the process of familiarizing yourself with this and other sections.The feeling of airiness and consistency of the CodeIgniter 4 project will be present with you everywhere... Read more ›
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Goal: continuously send UDP packets from an Arduino Nano 33 IoT to a Raspberry Pi 4 to understand the reliability of this solution. Read more Read more ›
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We present a guide to name entities in code based on putting naming in perspectives of semantic space, design, and readability. The main idea is that naming should not be considered as creation of tags, but as a fundamental part of design process, which implies integral and consistent vocabulary to be used. We discuss naming process and naming formalism from these perspectives and we provide guidelines for practical use.The work... Read more ›
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В начале июня состоялся релиз дистрибутива для цифровой криминалистики и тестирования систем безопасности Kali Linux 2021.2. Эта операционная система является клоном Debian, используя репозиторий Testing с наиболее свежими пакетами. Новые iso образы становятся доступными для загрузки каждые три месяца, предыдущим релизом был 2021.1, а следующим будет 2021.3. Собственные наработки, созданные в рамках проекта, выложены на Гитлабе. Узнать подробности Read more ›
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A few weeks ago we wrote an article about Docker and WebRTC servers and talked about the intricacies of launching containers. Our readers (rightly) questioned whether Docker was a suitable tool for production, for the following reasons: Read more Read more ›
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PVS-Studio has a mascot that became inseparable from the brand - a unicorn. Lately we've been getting many questions about our magic steed: why the unicorn, why has he changed so much, does he have hooves, how come he doesn't wear pants, and how do we draw him. The answers are finally here, in this very article.Attention: there will be a lot of pictures. And I mean A LOT. Read... Read more ›
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The potential of VoIP to your customers is simply phenomenal. Businesses are experiencing the advantages of VoIP’s cost-efficiency and reliability and now you can pass these benefits onto your own customers very easily. Cloud telecommunication is sophisticated and easily integrated. Confidence in this technology is growing fast. There has never been a better time to start talking to your customers about adopting this solution. It will deliver huge business benefits... Read more ›
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Встречали ли вы баги, где было недостаточно информации для понимания про что это? А тикеты, в которых было сложно найти нужную информацию, хотя где-то она все-таки есть? Кажется, команды сами усложняют себе работу не используя стандарт заведения тикетов-багов. И я решил поделиться шаблоном, который используем мы. Read more Read more ›
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The "Click to Call" button on the website is an "innovation" that has been around for about 10 years. The technologies under the hood have changed, but the principle remains the same: someone clicks on the button on the site page, then JavaScript launches and requests access to the microphone and establishes a connection to the server — WebRTC SIP gateway. Further, the first client-server leg is a browser gateway,... Read more ›
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Measuring of stream rate in an artist's impression. In one of our previous publications, we talked about a way to measure event stream rate using a counter based on exponential decay. It turns out that the idea of such a counter has an interesting generalization. This paper by Artem Shvorin and Dmitry Kamaldinov, Qrator Labs, reveals it.Read more → Read more ›
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6% 1 |
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31.12.2025 01:23
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