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16.09.2024 − 22.09.2024
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dev_family @ Habr 1 place · 09/20/2024 05:27 EDT

React Native Splash Screen — support for different themes

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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Habr
Shapelez @ Habr 2 place · 04/28/2023 07:05 EDT

Q1 2023 DDoS Attacks and BGP Incidents

Let's take a deeper look at the Q1 2023 DDoS attacks mitigation statistics and observations from Qrator Labs' perspective. Read more Read more

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Habr
vda19999 @ Habr 1 place · 04/26/2023 13:35 EDT

On the difference between regular functions and Lambdas

The point of this article is to explore Lambda functions, their dirrerences from regular functions and how they are implemented, based on C++, Python and Java programming languages.Throughout this article I will be using godbolt.org to compile code and see machine code or byte code. Read more Read more

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Habr
princessafia @ Habr 2 place · 04/24/2023 14:14 EDT

An introduction to the world of AI for designers

Every day a new neural network appears and every day more opportunities are opened to designers to simplify their workflow. Someone fundamentally refuses to use them, because “there is no life in machinex and technologies”, and someone is only happy to find a way to reduce the amount of work. Personally, I belong to the second type and want to share the most detailed gait on neurons I have acquired... Read more

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Habr
AmiraB2 @ Habr 1 place · 04/21/2023 09:16 EDT

Networking for Programmers: How to Build Connections and Get Hired

As a programmer, building connections with industry professionals can help you in advancing your career. Whether you're looking for a new job or want to connect with industry professionals, networking can help you achieve your goals. In this article, we'll examine the importance of networking for programmers and share practical tips and techniques for making strong connections in the programming community. From attending industry events to exploiting social media for... Read more

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Habr
LazyFao @ Habr 1 place · 04/20/2023 07:48 EDT

Google SSO for Kibana straightforward way on basic license

As many times before, I keep writing cheat sheets after the tasks which made me search a lot and glue things together before I found a solution. Long story short, this time I was asked to set up Google SSO for Kibana without switching from a basic license to a paid one. Kibana, by the moment, already had authentication set up and the customer wanted to log in there with... Read more

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Habr
AppQuantum @ Habr 1 place · 04/17/2023 11:58 EDT

The unvarnished truth about automation in mobile QA testing

It takes a lot of time and effort to develop a game. Finding and fixing errors before the release is one of the most crucial stages of the whole process, and the bigger your project is, the more people are usually involved in testing. Even the most uncomplicated games require a proper and thorough examination by QAs. The processes are automated to provide high-level project maintenance by increasing testing speed... Read more

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Habr
ewolf @ Habr 1 place · 04/12/2023 05:07 EDT

Как построить надёжную шину данных на Apache Kafka

С помощью Apache Kafka мы в Авито гарантируем соблюдение контрактов публикуемых событий. Рассказываем, как мы переработали архитектуру и сделали работу с Kafka удобнее и надёжнее.Мы можем пережить даже полный отказ дата-центра. Почему — тоже расскажем в этой статье. Read more Read more

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Habr
penetration @ Habr 1 place · 04/08/2023 06:19 EDT

Writing fast .exe console applications with PHP 8.1, why not?

With each release, PHP is getting faster, and when JIT (Just-In-Time) compilation is enabled, it reaches almost the same C marks.Many people at one time probably had a desire to easily write console and window applications. The guys of Runet sometimes wrote irreplaceable applications for solving small tasks and shared them on forums, although some of them contained small bugs. However, times are changing, and people have begun to realize... Read more

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Habr
AKlimenkov @ Habr 1 place · 04/01/2023 05:31 EDT

Langton's ant: a mystery cellular automaton

The life of Langton's Ant seems sad and lonely, but, as we'll discover, he is not ready to put up with such an outrageous situation and is trying his best to escape. American scientist Christopher Langton invented his ant back in 1984. Since then, no one has been able to explain the strange behavior of this mysterious model... Read more Read more

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Habr
Leschev @ Habr 2 place · 04/01/2023 05:21 EDT

Array of weak in Swift

In Swift, when working with objects, it’s important to manage memory correctly. One way to do this is by using weak references to avoid retaining objects too long and causing memory leaks. In this article, we will discuss how to create an array of weak references in Swift using a generic wrapper. Read more Read more

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Habr
VasyaPal @ Habr 3 place · 03/31/2023 15:10 EDT

GNU radio 802.11 black box optimization

In this post I'll share my experience in adjustment of WiFi physical channel. The channel was implemented on a software defined radio (SDR) platform. WiFi looks like a very complicated thing standardized over hundreds of pages. Could a non-expert with a PC and a couple of 100$ devices (HackRFs) somehow improve it? Here I try to develop a WiFi optimization approach basically agnostic of protocol implementation details. There's some math... Read more

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Habr
quaer @ Habr 1 place · 03/23/2023 15:58 EDT

Not 'Doom' ported

Cruel time. Nothing I can do.I needed positive emotions. Distract myself, do some useless work.Coding a game might help. Read more Read more

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Habr
korkin25 @ Habr 1 place · 03/22/2023 14:28 EDT

About «free» #iam, #oidc, #saml, #etc

Reasons to write article: at the moment investigation is in a progress. Some of collected&tested info will be usefull for other. May be someone will add some tips. thank you.There is a task to develop a solution that allows: - keep users/groups in the some one directory - based on this information: 1. Access control to web applications via #oidc /#saml 2. Access control to vanilla #kubernetes. 3. SSH-access control... Read more

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Habr
AKlimenkov @ Habr 1 place · 03/21/2023 11:13 EDT

The Collatz conjecture is the coolest mathematical trick of all time

On the Internet and in non-fiction literature you can often find various mathematical tricks. The Collatz conjecture leaves all such tricks behind. At first glance, it may seem like some kind of a trick with a catch. However, there is no catch. You think of a number and repeat one of two arithmetic operations for it several times. Surprisingly, the result of these actions will always be the same. Or,... Read more

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Habr
aabzel @ Habr 2 place · 03/20/2023 12:23 EDT

Вывод формулы для двустороннего определения дальности между UWB трансиверами

Настал третий за 12 лет случай, когда в профессии программист-микроконтроллеров понадобилось вспомнить школьную математику. В этом тексте я представил перевод AppNote(а) "The mathematics of two-way ranging". Также добавил свои комментарии в те места, которые неочевидны при первом прочтении.Тема нужна для определения расстояния между двумя радио трансиверами, которые могут определять моменты времени прихода и отправки радиоволны. Такое умеют делать UWB трансиверы, например чип DW1000. Read more Read more

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Habr
pazlvbanke @ Habr 1 place · 03/17/2023 06:08 EDT

Tutorial. Onchain Analysis basics

Last week, I introduced you to the world of onchain analysis and explored some of the ways it can be used to gain insights into the cryptocurrency market.Today, we're taking things up a notch with a tutorial that will guide you through running your own onchain analysis. By the end of this tutorial, you'll have the skills and knowledge you need to start analyzing blockchain data and making informed decisions... Read more

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Habr
simonzolin @ Habr 2 place · 03/17/2023 02:21 EDT

Cross-Platform System Programming Guide for UNIX & Windows: Level 1

In this tutorial we'll learn how to write cross-platform code in C using the system functions on popular OS (Windows, Linux/Android, macOS & FreeBSD): file management functions and file I/O, console I/O, pipes (unnamed), execution of the new processes. We're going to write our own small helper functions on top of low-level userspace system API and use them so that our main code can run on any OS without modifications.... Read more

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Habr
Murz @ Habr 3 place · 03/17/2023 02:04 EDT

Journey to find a headset with a good side talk cancellation mic for calls in an open office

TL;DR: All AI-based noise cancellations suck, only the physical cancellation technique works! And physical cancellation is implemented well only in Jabra devices yet, but other features suck them! All Bluetooth headsets suck too! So, no solution yet, just complaints!The environment: I work in a pretty talky office room, where sit around 10 people, and all of them have many online conferences every day, including me. So, silence in the room... Read more

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Habr
AllDmeat @ Habr 1 place · 03/15/2023 10:12 EDT

Обновляю ссылку один месяц, или Лёгких задач не бывает

История о том, почему «обновить ссылку» — задача для техлида: тут и про тесты, и про вёрстку, и про архитектуры процессоров. Бульварное чтиво из 15+1 мемов Read more

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