[C#] 在异步请求并发情况下，dbcontext的安全问题, 第一个问题：在涉及多次含有数据库（dbContext）修改操作的函数，出现偶发修改失败。 原因： 在异步多线程的情况下，当一个线程创建 DbContex...

Python | Isogram Problem!,Hey everone, I wanna share my last challenge that I solved, it took me around 2 days! I know it could be easy for some of you even for beginners but it do...

百万架构师第四十一课：RabbitMq：可靠性投递和实践经验｜JavaGuide,来源：https://javaguide.net RabbitMQ 2-可靠性投递与生产实践 可靠性投递 ​ 首先需要明确，效率与可靠性是无法兼得的，如...

Let's Learn Django #6: Using Database & Admin Panel, Let's Learn Django (6 Part Series) 1 Let's Learn Django #1 Init 2 Let's Learn Django #2 File Structure ... 2 more parts... 3 Le...

Understanding loops,Loops are what makes programming such a powerful art. in fact without iteration a lot of problems coding solves today wouldn't have been possibly solved, it wou...

Java streams and Fibonacci,So, you still struggling trying to understand expressions like this in Java 8+: Stream.iterate(new long[]{ 0L, 1L }, p->new long[]{ p[1], p[0]+p[1] })...

Argument parsing and subparsers in Python,(Image (C) Tai Kedzierski) Python ArgParse Quick-reference A quick reference for argument parsing - and a suggestion for a sub-command imp...

Homebrew, pyenv, ctypes... oh my!, Background Skipping to the End The Problem The Solution? The Itch Isolating the Useful Change One Level Down Another Level Down Finally An Answer...

Mastering Data Preprocessing for Machine Learning in Python: A Comprehensive Guide,Data forms the backbone of machine learning algorithms, yet real-world data is often untidy and r...

Implementing the Decorator Pattern in Python,Good evening everyone, today we're going to learn one of my favorite design patterns, the decorator pattern. Please note that this is n...

URL Shortener Microservice using FastAPI and PostgreSQL,Hello everyone ! Been a long time that I have made my hands dirty on some projects. Currently, am getting to know basics of ...

Programação orientada a testes?!, Para começar Ao construir um projeto, um sistema ou até mesmo um simples código, nos bate aquela dúvida: será que o que eu construi está f...