Best distributed task scheduling framework — Openjob 1.0.7 released

Openjob is a new distributed task scheduling framework based on Akka architecture. Supports multiple cronjob, delay task, workflow, lightweight distributed computing, unlimited horizontal scaling, with high scalability and fault tolerance. Also has complete management, powerful alarm monitoring, and support multiple languages: https://u.habr.com/ZDtOM

PostgreSQL 17: Part 1 or Commitfest 2023-07

We continue to follow the news in the world of PostgreSQL. The PostgreSQL 16 Release Candidate 1 was rolled out on August 31. If all is well, PostgreSQL 16 will officially release on September 14.

What has changed in the upcoming release after the April code freeze? What's getting into PostgreSQL 17 after the first commitfest? Read this review to find out: https://u.habr.com/5KYP3

Exploring FIFO principles using an HDL training tool

The idea of the HDL training tool is that it can help develop a hardware intuition, providing the opportunity to explore ready-made scenarios in a step-by-step interactive way. The tool also provides detailed visualization of a simulated scenario: https://u.habr.com/yrfOW

"This is a translation of my first article, which was born due to the fact that I once played with the types of meterpreter payload from the Metasploit Framework and decided to find a way to detect it in the Windows OS family"

Detection of meterpreter sessions in Windows OS: https://u.habr.com/yIQRp

MSSQL: Table Rebuild and Reorg in highload 24/7 Environments

How do you deal with index fragmentation if your SQL server is working in high load environment with 24/7 workload without any maintenance window? What are the best practices for index rebuild and index reorganize? What is better? What is possible if you have only Standard Edition on some servers? But first, let's debunk few myths: https://u.habr.com/i2LtO

"Hello, dear users of the IT world!

In modern web development there are many ways to make your website interesting and attractive to users. And even using simple techniques you can achieve great results!"

Creating a mini-game with a drip effect and moving circles. Part 1: https://u.habr.com/pZftL

Creating a mini-game with drip effect and moving circles. Part 2. Final

In the first part we made a basic movement of circles on the page. And in today's lesson we will make an animation of "explosion" and absorption of circles: https://u.habr.com/2pGkK

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

This article will introduce you to the React Three Fiber library and teach you how to create interactive 3D games: https://u.habr.com/Zw8Do

"I've long wanted to create educational materials on the topic of Information Theory + Machine Learning. I found some old drafts and decided to polish them up here, on Habr"

1. Information theory + ML. Entropy: https://u.habr.com/qWNak

"My name is Paul Karol and I work connecting Russian IT with their customers in the United States. 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"

The anatomy of a pre-sale meeting to the USA: https://u.habr.com/OmGTE

The art of prioritization in product management

Prioritization is, without a doubt, a major skill for any product manager. To get it right in product management, we need the right tools and approaches. Let's see what it takes to nail prioritization: https://u.habr.com/Hrvx4

"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"

How to make a destructible landscape in Godot 4: https://u.habr.com/Gs29A

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: https://u.habr.com/bG9QJ

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: https://u.habr.com/es4M5

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

In this article, we create two greenlets, executing two test functions, and then switch to the first greenlet. The first greenlet prints, then switches to the second, then prints again and returns a string: https://u.habr.com/vWtKo

High-performance network library using C++20 coroutines

For a comprehensive understanding of C++ 20 coroutines, refer to this article. Below, we examine a code example using coroutines and describe important points applied during implementation: https://u.habr.com/ZeJEP

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?

Do smartphone cameras need 12-bit ADCs, or my failed experiment: https://u.habr.com/73mfR

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 we have a different experience: https://u.habr.com/oMENl

Python Lives in Excel

The code is executed on Microsoft servers. All you need to do on your local computer is start Excel and enter the familiar magical combination =PY( : https://u.habr.com/bKQJd

React — Higher Order Components

In the ever-evolving realm of web development, mastering advanced concepts is essential for creating robust and flexible applications. In this article, we'll delve into one of these foundational React concepts — Higher-Order Components, commonly known as HOCs: https://u.habr.com/dfZNs