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16.09.2024 − 22.09.2024
Habr
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
Habr 1 place · 10/26/2023 01:42 EDT

[Translation] Python Lives in Excel

There was already news on Habr about this significant event. Indeed, it resembles a retelling of the official Microsoft press release, but that's how the 'news' should be. Read more Read more

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Habr
Habr 1 place · 10/24/2023 05:00 EDT

Быстро поднимаем беспроводную сеть в отеле

И снова о гостиничной инфраструктуре.В предыдущей статье мы рассказали о достаточно простой реализации WiFi для мини-отеля.Сейчас мы рассматриваем не мини-отель, а несколько большую бизнес-единицу, например, небольшую гостиницу. Вне зависимости от географического расположения, стабильный доступ в Интернет нужен всегда. Предлагаемое решение может работать не только в отеле, но и в любом публичном месте, где нужен стабильный интернет, например, в библиотеке, доме культуры и так далее. Read more → Read more

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Habr
Habr 1 place · 10/22/2023 15:09 EDT

Doing 10 minute task in 2 hours using ChatGPT

Many of us have heard stories where one was able to complete days worth of work in minutes using AI, even being outside of one's area of expertise. Indeed, often LLM's do (almost) miracles, but today I had a different experience: Read more Read more

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Habr
Habr 1 place · 10/21/2023 08:21 EDT

[Translation] Do smartphone cameras need 12-bit ADCs, or my failed experiment

Among photographers, it is known that on "big" cameras the use of 14-bit readout compared to 12-bit can have a positive impact on shadow detail. How does this apply to small sensors in smartphone cameras? Let's find out Read more

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Habr
Habr 1 place · 10/19/2023 02:00 EDT

High-performance network library using C++20 coroutines

Asynchronous programming is commonly employed for efficient implementation of network interactions in C++. The essence of this approach lies in the fact that the results of socket read/write functions are not immediately available but become accessible after some time. This approach allows for loading the processor with useful work during the wait for data. Various implementations of this approach exist, such as callbacks, actors, future/promise, coroutines. In C++, these implementations... Read more

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Habr
Habr 1 place · 10/15/2023 04:52 EDT

How sqlalchemy uses greenlet to call an async Python function from a normal function

The Python language has two kind of functions - normal functions that you would use in most cases, and async functions. The latter functions are used when performing network IO in an asynchronous manner. The problem with this division is that async functions can only be called from other async functions. Normal functions, on the other hand, can be called from any functions - however, if you call a normal... Read more

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Habr
Habr 1 place · 10/14/2023 00:00 EDT

GEOMETRY OF SOUND

Surprisingly, there are strict mathematical methods that literally allow to hear visual geometric forms and, conversely, to see the beauty of musical harmonies...[Read on Russian] Read more... Read more

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Habr
Habr 1 place · 10/11/2023 00:30 EDT

React Custom Hook: useTimeout

One of the significant advantages of this custom hook is that it ensures the callback function remains up to date even if it changes during component re-renders. By using a useRef to store the callback reference, the hook guarantees that the latest version of the function is always called. Read more Read more

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Habr
Habr 1 place · 10/09/2023 11:55 EDT

[Translation] A (more) accurate camera sensor dynamic range measurement

Hello, everyone! In this post, let's talk about how to (more) accurately measure the dynamic range of a camera sensor and what can be done with these measurements.Of course, I am not an expert in computer vision, a programmer or a statistician, so please feel free to correct me in the comments if I make mistakes in this post. Here my interest was primarily focused on everyday and practical tasks,... Read more

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Habr
Habr 2 place · 10/09/2023 08:08 EDT

Dealing with sanctions and the other difficult question

In our last article we covered the anatomy of a presale meeting gone wrong. In that article we posed some questions for everyone to think about. What exactly does an American company wanting to hire a Russian custom software development company, feel about this Russian company? What are they afraid of? What are their concerns? In the end we came up with five concerns. 1. Is the company a fly... Read more

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Habr
Habr 3 place · 10/09/2023 00:35 EDT

React Custom Hook: useStorage

One of the key advantages of this custom hook is its simplicity. You can use it to store any type of data, such as strings, numbers, or even complex objects, with just a few lines of code. Additionally, useStorage handles the serialization and deserialization of data for you, so you don't have to worry about converting values to and from JSON. Read more Read more

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Habr
Habr 3 place · 10/08/2023 11:25 EDT

[Translation] 2. Information Theory + ML. Mutual Information

In Part 1, we became familiar with the concept of entropy.In this part, we will delve into the concept of Mutual Information, which opens doors to error-resistant coding, compression algorithms, and offers a fresh perspective on regression and Machine Learning tasks.It is an essential component that will pave the way, in the next section, for tackling Machine Learning problems as tasks of extracting mutual information between features and the predicted... Read more

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Habr
Habr 1 place · 10/07/2023 11:13 EDT

How to make a destructible landscape in Godot 4

In my just released game “Protolife: Other Side” I have the destructible landscape. Creatures that we control can make new ways through the walls. Also, some enemies are able to modify the landscape as well.Let me describe how it may be done on the Godot engine. Read more Read more

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Habr
Habr 1 place · 10/05/2023 10:46 EDT

The art of prioritization in product management

Product management runs on choices. What to develop next, what to put on hold, and what to discard altogether. Getting these choices right steers products toward success. It's more than just a list; it's understanding needs, managing resources, and aligning with the company vision. Prioritization is, without a doubt, a major skill for any product manager.For most of us, the daily challenge is juggling plenty of tasks, features, and stakeholder... Read more

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Habr
Habr 2 place · 10/05/2023 03:00 EDT

Release of Chipmunk v.3

We released the new version of Chipmunk, software for viewing/analyzing log files. V.3 is wholly reworked with an accent to performance and rethought considering usability. Below short list of the most important changes and a general description. Read more Read more

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Habr
Habr 3 place · 10/05/2023 00:14 EDT

React Custom Hook: useStateWithValidation

One of the key advantages of this custom hook is its flexibility. You can pass any validation function that suits your specific requirements. Whether it's checking the length of a string, ensuring a numeric value falls within a certain range, or performing more complex validations, useStateWithValidation has got you covered. Read more Read more

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Habr
Habr 1 place · 10/03/2023 13:29 EDT

The anatomy of a pre-sale meeting to the USA

My name is Paul Karol and I work connecting Russian IT with their customers in the United States. Please find on Hbar my previous article for a complete explanation of my credentials. Today we're going to look at a presale meeting that was not successful and we will explain exactly how the Russian company lost this business. Please take a look at this photograph. Going into this presale meeting the... Read more

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Habr
Habr 1 place · 10/02/2023 00:11 EDT

React Custom Hook: useStateWithHistory

In this article series, we embark on a journey through the realm of custom React hooks, discovering their immense potential for elevating your development projects. Our focus today is on the "useStateWithHistory" hook, one of the many carefully crafted hooks available in the collection of React custom hooks. Read more Read more

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Habr
Habr 1 place · 10/01/2023 14:33 EDT

[Translation] React + Three.js. Creating your own 3D shooter. Part 1

Hello, dear users of the IT world!In the era of active development of web technologies and interactive applications, 3D-graphics is becoming more and more relevant and in demand. But how to create a 3D application without losing the advantages of web development? In this article, we will look at how to combine the power of Three.js with the flexibility of React to create your own game right in the browser.This... Read more

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Habr
Habr 1 place · 09/28/2023 00:07 EDT

React Custom Hook: useScript

useScript can be used in various scenarios. For instance, you can load external libraries like jQuery, enabling you to harness its powerful functionalities without adding bulk to your bundle. Additionally, you can load analytics scripts, social media widgets, or any other script necessary for your application's dynamic behavior. Read more Read more

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28.09.2024 05:31
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