Tech Articles

cover of post: How FastAPI Works Under the Hood: ASGI and Routing Explained

How FastAPI Works Under the Hood: ASGI and Routing Explained

Aug 06, 2025

When we talk about Python asynchronous web frameworks, FastAPI is undoubtedly the brightest star in recent years. It has gained widespread acclaim for its impressive performance, automatic API documentation generation, and type hint support. But have you ever wondered: what magic lies behind this powerful framework?

By Daniel Hayes#python
cover of post: Why Axum Could Be the Future of Rust Web Development

Why Axum Could Be the Future of Rust Web Development

Aug 04, 2025

If you're a Rust developer, you've undoubtedly heard of Axum. This web framework, introduced by the Tokio team, has rapidly become a community favorite in just a few years, boasting over 22k GitHub stars—far surpassing other frameworks of the same era. What makes Axum stand out? What unique advantages does it offer compared to predecessors like Actix-web and Rocket? Today, we'll delve into this phenomenal framework.

By Wenhao Wang#golang
cover of post: Efficient Go Concurrency Using select

Efficient Go Concurrency Using select

Aug 03, 2025

Understand Go's select to coordinate goroutines and channels effectively.

By Min-jun Kim#Engineering
cover of post: any vs interface{} in Go: What’s the Real Difference?

any vs interface{} in Go: What’s the Real Difference?

Aug 03, 2025

In a recent team discussion, someone claimed "any and interface{} in Go are identical." Technically, they're right—Go's official definition makes any an alias for interface{}

By Ethan Miller#golang
cover of post: NestJS in 2025: Still Worth It for Backend Developers?

NestJS in 2025: Still Worth It for Backend Developers?

Jul 28, 2025

In 2025, amid the ever-proliferating landscape of JavaScript backend frameworks, NestJS remains the unrivaled leader in enterprise-level application development. Since its initial release in 2017, this Node.js-based framework has not only withstood the pressure from predecessors like Express and Koa but also fended off challenges from rising stars such as Fastify and Adonis. Instead, it has amassed over 60k stars on GitHub, securing a spot among the world's top 5 backend frameworks. What enables NestJS to break the "three-year cycle" curse of frontend frameworks? What irreplaceable reasons make it a top choice in 2025?

By Takashi Yamamoto#javascript
cover of post: Infinite Uses of Go's Empty Struct

Infinite Uses of Go's Empty Struct

Jul 27, 2025

Explore Go's zero-size struct type: definition, behavior, and practical uses in sets, channels, and interfaces.

By Grace Collins#Engineering
cover of post: Why Django Is Still the Web Dev King in 2025

Why Django Is Still the Web Dev King in 2025

Jul 22, 2025

In the fast-paced world of web development, where new frameworks emerge seemingly every other day, Django has maintained its relevance and popularity since its inception. As we enter 2025, a question on many developers' minds remains: why should we still use Django? Let's explore the reasons in detail.

By James Reed#python
cover of post: Python Web Framework Wars: Flask’s Legacy vs FastAPI’s Future

Python Web Framework Wars: Flask’s Legacy vs FastAPI’s Future

Jul 21, 2025

In the universe of Python web development, Flask and FastAPI shine like two brilliant stars, each representing distinct development philosophies. Flask is renowned for its lightweight flexibility as a "micro-framework," while FastAPI has sparked a new trend in API development with its asynchronous support and type safety. This article will delve into a comparison of these two frameworks across ecosystem, asynchronous programming, and development experience, revealing their scene through abundant examples to help developers make informed choices for different project requirements.

By James Reed#python
cover of post: Go's Functional Options Pattern

Go's Functional Options Pattern

Jul 20, 2025

Learn how Go's functional options pattern enhances flexibility, readability, and extensibility in function signatures.

By Min-jun Kim#Engineering
cover of post: Actix vs Axum vs Rocket: The Battle of Rust Web Frameworks

Actix vs Axum vs Rocket: The Battle of Rust Web Frameworks

Jul 20, 2025

In the dynamic landscape of web development, Rust has emerged as a formidable language, celebrated for its memory safety, high performance, and concurrency capabilities. As the Rust ecosystem continues to expand, a diverse array of web frameworks has surfaced, each boasting unique features and trade-offs. This in-depth exploration compares some of the most popular Rust web frameworks, examining their architectures, performance traits, and ecosystem support.

By Min-jun Kim#rust
cover of post: Why Go Won't Simplify Error Handling

Why Go Won't Simplify Error Handling

Jul 20, 2025

After three failed attempts, Go team confirms no future error handling syntax changes, focusing on tooling improvements.

By Lukas Schneider#Engineering
cover of post: Your Rust Is Too Slow - 20 Practical Ways to Optimize Your Code

Your Rust Is Too Slow - 20 Practical Ways to Optimize Your Code

Jul 19, 2025

Rust, as a performance-focused systems programming language, has demonstrated excellent performance in many scenarios. However, to fully unleash Rust's potential and write efficient code, it's necessary to master some performance optimization techniques. This article will introduce 20 practical tips for Rust performance optimization, with specific code examples to aid understanding.

By Lukas Schneider#rust
cover of post: Go in Production: 20 Must-Know Performance Tuning Tips

Go in Production: 20 Must-Know Performance Tuning Tips

Jul 19, 2025

As an engineer who has spent years building backend services with Go, I'm keenly aware of the language's immense performance potential. But potential needs to be properly unlocked. There's a world of difference between merely implementing a feature and building a system that runs stably and efficiently under high concurrency. Poor coding habits and a disregard for underlying mechanics can easily negate the performance advantages Go offers at the language level.

By Wenhao Wang#golang
cover of post: sync.Once: Go's Simple Pattern for Safer Concurrency

sync.Once: Go's Simple Pattern for Safer Concurrency

Jul 17, 2025

In Go concurrent programming, ensuring an operation is executed only once is a common requirement. As a lightweight synchronization primitive in the standard library, sync.Once solves this problem with an extremely simple design. This article takes you to a deep understanding of the usage and principles of this powerful tool.

By Grace Collins#golang
cover of post: Rate Limiting in Go: Implementing the Token Bucket Algorithm

Rate Limiting in Go: Implementing the Token Bucket Algorithm

Jul 13, 2025

The Token Bucket Algorithm provides a flexible and efficient way to implement rate limiting and traffic shaping in a wide range of applications. Its ability to handle both steady traffic and sudden bursts makes it particularly valuable in real-world systems where traffic patterns are often unpredictable.

By Takashi Yamamoto#golang
cover of post: The Dark Side of Python’s eval() (and When It’s Actually Useful)

The Dark Side of Python’s eval() (and When It’s Actually Useful)

Jul 10, 2025

`eval()` is a powerful yet controversial built-in function in Python. Its working principle is to parse, compile, and execute Python code passed as a string, and it is widely used in scenarios such as dynamic expression calculation and dynamic data structure processing. However, `eval()` also has risks such as security vulnerabilities and performance loss, so caution is required when using it.

By James Reed#python
cover of post: Understanding sync.Once in Go

Understanding sync.Once in Go

Jul 05, 2025

Learn how to use sync.Once for concurrency-safe, lazy initialization in Go.

By Takashi Yamamoto#Engineering
cover of post: How to Implement Enum Types in Go

How to Implement Enum Types in Go

Jul 03, 2025

Learn how to create and use enums in Go without native enum support.

By Emily Parker#Engineering
cover of post: Understanding SQL Common Table Expressions (CTEs)

Understanding SQL Common Table Expressions (CTEs)

Jun 30, 2025

CTEs simplify, organize, and enable recursive SQL queries efficiently.

By Min-jun Kim#Engineering
cover of post: Understanding SQL Aggregate Functions

Understanding SQL Aggregate Functions

Jun 30, 2025

SQL aggregate functions simplify data summarization and analysis.

By Emily Parker#Engineering
cover of post: How to Rank Data in SQL: An Introduction to Window Functions

How to Rank Data in SQL: An Introduction to Window Functions

Jun 30, 2025

SQL ranking functions help order and analyze data with or without grouping.

By Ethan Miller#Engineering
cover of post: A Comprehensive Guide to iota in Go

A Comprehensive Guide to iota in Go

Jun 30, 2025

Explains Go’s iota, its uses in constants, enums, and bitwise operations, with tips and best practices.

By Olivia Novak#Engineering
cover of post: A Practical Guide to Go’s Timer and Ticker

A Practical Guide to Go’s Timer and Ticker

Jun 29, 2025

Explains Go’s Timer and Ticker with usage, differences, and resource management tips.

By Olivia Novak#Engineering
cover of post: Build a Pure Node.js Search Engine from Scratch Using Only Node.js

Build a Pure Node.js Search Engine from Scratch Using Only Node.js

Jun 28, 2025

In the era of information explosion, search engines have become the core tool for people to access information. From Google to Bing, these large-scale search engines are backed by complex technical architectures, but their core principles can be implemented using basic technology stacks. This article will guide you through building a TF-IDF algorithm-based English search engine from scratch using pure Node.js, without any third-party libraries, storing the inverted index in CSV files. Through this practice, you will gain a deep understanding of the core mechanisms of information retrieval and master key technologies in text processing, weight calculation, and index construction.

By Ethan Miller#javascript
cover of post: From Cache Breakdown to Robustness: singleflight in Go

From Cache Breakdown to Robustness: singleflight in Go

Jun 27, 2025

Learn how Go’s singleflight package prevents cache breakdown and optimizes concurrent database access.

By Emily Parker#Engineering
cover of post: Build a Search Engine in Pure Python, Step by Step — No Dependencies Needed

Build a Search Engine in Pure Python, Step by Step — No Dependencies Needed

Jun 27, 2025

Through this article, we've built a TF-IDF-based English search engine from scratch without relying on any third-party libraries, and stored the key inverted index in CSV format. This process has allowed us to gain an in-depth understanding of the core principles and implementation details of search engines, including key steps such as document preprocessing, inverted index construction, TF-IDF calculation, and query processing. While this implementation is relatively simple, it covers the basic framework of modern search engines. On this foundation, you can further expand the functionality and optimize performance to build a more powerful retrieval system. Whether for academic research or practical applications, understanding these basic principles is an important step in deepening your knowledge of information retrieval technology. We hope this article has opened the door to the field of information retrieval for you, inspiring your interest and desire to explore search engine technology. In this era of information explosion, mastering information retrieval technology not only helps us obtain information more efficiently but also provides a solid foundation for research in fields such as data mining and artificial intelligence.

By Olivia Novak#python
cover of post: Understanding Grouping in SQL Queries

Understanding Grouping in SQL Queries

Jun 25, 2025

Grouping in SQL helps summarize and analyze data efficiently.

By James Reed#Engineering
cover of post: Understanding CTEs (Common Table Expressions) in SQL

Understanding CTEs (Common Table Expressions) in SQL

Jun 25, 2025

CTEs simplify, organize, and enhance complex SQL queries.

By James Reed#Engineering
cover of post: Understanding Condition Statements in SQL

Understanding Condition Statements in SQL

Jun 25, 2025

Condition statements enable precise, efficient data filtering in SQL.

By Olivia Novak#Engineering
cover of post: How to Build a Event Bus in Go

How to Build a Event Bus in Go

Jun 25, 2025

A practical guide to building a simple event bus in Go using publish-subscribe patterns and channels.

By Grace Collins#Engineering
cover of post: Clean Architecture in Go Using go-clean-arch

Clean Architecture in Go Using go-clean-arch

Jun 23, 2025

Explains how to implement Clean Architecture in Go with practical examples from the go-clean-arch project.

By Daniel Hayes#Engineering
cover of post: Log Rotation and File Splitting in Go: Insights from logrus, zap, and slog

Log Rotation and File Splitting in Go: Insights from logrus, zap, and slog

Jun 20, 2025

Comparative analysis of log rotation and file splitting with Go logging libraries logrus, zap, and slog.

By James Reed#Engineering
cover of post: How to Rename a Column in SQL

How to Rename a Column in SQL

Jun 19, 2025

Different SQL databases require different commands to rename columns.

By Lukas Schneider#Engineering
cover of post: How to Add a Column in a Table Using SQL

How to Add a Column in a Table Using SQL

Jun 19, 2025

Add columns to SQL tables using the `ALTER TABLE` statement.

By Takashi Yamamoto#Engineering
cover of post: PyTorch Lightning: Simplifying Deep Learning Research and Production

PyTorch Lightning: Simplifying Deep Learning Research and Production

Jun 19, 2025

PyTorch Lightning simplifies deep learning research and scalable model deployment.

By Olivia Novak#Engineering
cover of post: Hands-on with Go’s slog Package

Hands-on with Go’s slog Package

Jun 19, 2025

Learn how to use Go’s slog package for clear, structured, and customizable application logs.

By Min-jun Kim#Engineering
cover of post: How to Download and Install PyTorch

How to Download and Install PyTorch

Jun 17, 2025

Step-by-step guide for installing PyTorch on any system.

By Emily Parker#Engineering
cover of post: How to Install PyTorch Using Pip

How to Install PyTorch Using Pip

Jun 17, 2025

Install PyTorch easily using pip and verify your setup for smooth deep learning.

By Min-jun Kim#Engineering
cover of post: A Practical Overview of PyTorch Geometric for Graph Neural Networks

A Practical Overview of PyTorch Geometric for Graph Neural Networks

Jun 17, 2025

PyTorch Geometric enables fast, flexible graph deep learning with scalable, research-friendly features.

By James Reed#Engineering
cover of post: Effective Error Handling in Go’s Gin Framework

Effective Error Handling in Go’s Gin Framework

Jun 17, 2025

Best practices for error management and real-time error tracking in Gin-powered Go web services.

By Olivia Novak#Engineering
cover of post: How to Install PyTorch Using Conda

How to Install PyTorch Using Conda

Jun 16, 2025

Use Conda and official commands for reliable PyTorch installation.

By James Reed#Engineering
cover of post: Understanding PyTorch DataLoader: Efficient Data Loading for Deep Learning

Understanding PyTorch DataLoader: Efficient Data Loading for Deep Learning

Jun 16, 2025

PyTorch DataLoader enables efficient, flexible, and scalable deep learning data handling.

By Emily Parker#Engineering
cover of post: TensorFlow vs PyTorch: A Comparative Analysis for 2025

TensorFlow vs PyTorch: A Comparative Analysis for 2025

Jun 16, 2025

PyTorch leads in research; TensorFlow excels in production deployment.

By Daniel Hayes#Engineering
cover of post: Comparing MVC and DDD Layered Architectures in Go: A Detailed Guide

Comparing MVC and DDD Layered Architectures in Go: A Detailed Guide

Jun 16, 2025

A comprehensive comparison of MVC and DDD layered architectures in Go, with structure, examples, and practical guidance.

By Takashi Yamamoto#Engineering
cover of post: Boost Go Performance Instantly with Sync.Pool Explained

Boost Go Performance Instantly with Sync.Pool Explained

Jun 14, 2025

In concurrent programming, the frequent creation and destruction of objects can lead to significant performance overhead. The `sync.Pool` mechanism in Go language effectively reduces memory allocation and garbage collection pressure through object reuse strategies. This article will provide a comprehensive analysis of this high-performance component, covering usage scenarios, core principles, and practical optimizations.

By Takashi Yamamoto#golang
cover of post: Learning Go Testing from Kubernetes

Learning Go Testing from Kubernetes

Jun 12, 2025

A practical guide to unit testing, mocking, and TDD in Go, inspired by real-world Kubernetes practices.

By Takashi Yamamoto#Engineering
cover of post: Learning Go Engineering Practices from Kubernetes

Learning Go Engineering Practices from Kubernetes

Jun 11, 2025

Key Go engineering lessons from Kubernetes: efficient concurrency, modular architecture, abstraction, and decoupled component design.

By Olivia Novak#Engineering
cover of post: Learning Code Readability from Kubernetes

Learning Code Readability from Kubernetes

Jun 11, 2025

Practical lessons on naming and commenting for clearer, more maintainable code, inspired by Kubernetes source.

By Wenhao Wang#Engineering