Tech Articles

cover of post: Build a Perfect Blog with FastAPI: Add Authorization

Build a Perfect Blog with FastAPI: Add Authorization

Oct 03, 2025

This guide shows how to add user authentication to a FastAPI blog. Learn to manage user sessions with middleware, implement login/logout, protect routes, and dynamically update the user interface.

By Lukas Schneider#python
cover of post: Navigating Hierarchical Data with SQL Common Table Expressions and Recursive Queries

Navigating Hierarchical Data with SQL Common Table Expressions and Recursive Queries

Oct 02, 2025

Explore how SQL CTEs and recursive queries provide a powerful and efficient way to manage and traverse hierarchical data structures like comment trees and organizational charts directly within your database.

By Takashi Yamamoto#Engineering
cover of post: Testing Component Behavior, Not Internal Plumbing

Testing Component Behavior, Not Internal Plumbing

Oct 02, 2025

Exploring the benefits and methodology of focusing on component interaction during testing, rather than getting entangled in implementation details, to achieve more robust and maintainable frontend tests.

By Takashi Yamamoto#Engineering
cover of post: Build a Perfect Blog with FastAPI: Add User System

Build a Perfect Blog with FastAPI: Add User System

Oct 02, 2025

This tutorial shows how to secure a FastAPI blog by adding a user authentication system. It covers creating user models, hashing passwords, and building registration and login routes and pages.

By Lukas Schneider#Engineering
cover of post: Rust Template Engines Compile-Time vs. Run-Time vs. Macro Tradeoffs

Rust Template Engines Compile-Time vs. Run-Time vs. Macro Tradeoffs

Oct 02, 2025

Exploring the performance and flexibility considerations of Askama, Tera, and Maud in Rust templating, contrasting their compile-time, run-time, and macro-based approaches.

By Ethan Miller#Engineering
cover of post: Implementing Concurrent Control with ORM - A Deep Dive into Pessimistic and Optimistic Locking

Implementing Concurrent Control with ORM - A Deep Dive into Pessimistic and Optimistic Locking

Oct 01, 2025

Exploring how ORMs facilitate pessimistic (SELECT FOR UPDATE) and optimistic (versioning) locking mechanisms to ensure data integrity and manage concurrency in database applications.

By Daniel Hayes#Engineering
cover of post: Tailoring Front-End Directory Structures to Project Size and Team Practices

Tailoring Front-End Directory Structures to Project Size and Team Practices

Oct 01, 2025

This article explores how to choose the most effective front-end directory structure by considering project scale and team habits, discussing common approaches and providing practical guidance for different scenarios.

By James Reed#Engineering
cover of post: Build a Great Nest.js Blog: Filter by Tag

Build a Great Nest.js Blog: Filter by Tag

Oct 01, 2025

This tutorial explains how to add a "filter posts by tag" feature to a NestJS blog. It covers updating backend services, creating a new controller, and building a frontend view.

By Min-jun Kim#Engineering
cover of post: Offline Schema Management: Leveraging sqlx-cli and diesel-cli for Robust Rust Applications

Offline Schema Management: Leveraging sqlx-cli and diesel-cli for Robust Rust Applications

Oct 01, 2025

This article explores how Rust developers can effectively manage database migrations and schemas using sqlx-cli and diesel-cli, focusing on their offline capabilities for enhanced development workflows.

By Wenhao Wang#Engineering
cover of post: Optimizing Database Performance with Redis: Cache Key Design and Invalidation Strategies

Optimizing Database Performance with Redis: Cache Key Design and Invalidation Strategies

Sep 30, 2025

This article delves into the critical aspects of using Redis as a query result cache, focusing on intelligent cache key design and robust invalidation strategies to enhance application performance and data consistency.

By James Reed#Engineering
cover of post: State Management in Modern Frontend Applications

State Management in Modern Frontend Applications

Sep 30, 2025

A deep dive into Redux Toolkit, Zustand, and Jotai, comparing their paradigms, implementations, and ideal use cases for effective state management in React.

By Ethan Miller#Engineering
cover of post: Enhancing Rust Web Security with Essential HTTP Headers

Enhancing Rust Web Security with Essential HTTP Headers

Sep 30, 2025

This article explores how to integrate Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options into Rust web applications to bolster security, explaining their importance, implementation, and practical application.

By Wenhao Wang#Engineering
cover of post: Build a Great Nest.js Blog: Tags for Post

Build a Great Nest.js Blog: Tags for Post

Sep 30, 2025

This tutorial explains how to add a tagging system to a NestJS blog, covering data modeling, backend service logic with TypeORM, and frontend integration using EJS templates for creating/displaying tags.

By Min-jun Kim#Engineering
cover of post: Fine-Tuning Connection Pools for Peak Database Performance

Fine-Tuning Connection Pools for Peak Database Performance

Sep 29, 2025

This article delves into optimizing PgBouncer and application-level connection pools, explaining key concepts, configuration strategies, and practical examples to achieve superior database performance and resource utilization.

By James Reed#Engineering
cover of post: Boost Performance and Offline Capability with Service Worker Caching

Boost Performance and Offline Capability with Service Worker Caching

Sep 29, 2025

Explore how Service Workers intercept network requests to cache resources, significantly improving website loading times for repeat visits and enabling robust offline experiences.

By Olivia Novak#Engineering
cover of post: Build a Great Nest.js Blog: Visitor Analytics

Build a Great Nest.js Blog: Visitor Analytics

Sep 29, 2025

This tutorial explains how to build a visitor tracking system for a Nest.js blog. It covers database setup, creating a service, and displaying post view counts to identify popular articles.

By Min-jun Kim#Engineering
cover of post: Implementing Long Polling with Streams in Rust Web Services

Implementing Long Polling with Streams in Rust Web Services

Sep 29, 2025

Explore how Rust's asynchronous capabilities and stream-based APIs can be leveraged to build efficient and scalable long-polling mechanisms for real-time web applications.

By James Reed#Engineering
cover of post: Building Modular and Testable Web Applications with Go's net/http

Building Modular and Testable Web Applications with Go's net/http

Sep 29, 2025

This article delves into creating robust, maintainable, and easily testable web applications in Go using the standard net/http package, emphasizing modular design principles.

By Takashi Yamamoto#Engineering
cover of post: Empowering Web Applications with Geographic Awareness Using PostGIS

Empowering Web Applications with Geographic Awareness Using PostGIS

Sep 28, 2025

This article delves into the practical application of PostGIS for handling geospatial data in web applications, focusing on functionalities like finding nearby locations and performing regional searches, complete with code examples.

By Wenhao Wang#Engineering
cover of post: Enhancing Custom Component Accessibility with ARIA Attributes

Enhancing Custom Component Accessibility with ARIA Attributes

Sep 28, 2025

This article delves into the crucial role of ARIA attributes in making custom front-end components accessible, covering core concepts, practical implementation, and real-world examples.

By Emily Parker#Engineering
cover of post: Building Robust Business Logic with Rust Web Service Layers

Building Robust Business Logic with Rust Web Service Layers

Sep 28, 2025

This article explores the design and implementation of service layers in Rust web applications to encapsulate business logic, enhancing maintainability, testability, and separation of concerns.

By Daniel Hayes#Engineering
cover of post: Understanding Routing and Middleware in Gin, Echo, and Chi

Understanding Routing and Middleware in Gin, Echo, and Chi

Sep 28, 2025

This article delves into the routing and middleware design philosophies of Gin, Echo, and Chi, three prominent Go web frameworks, exploring their core concepts, implementations, and practical applications with code examples.

By Min-jun Kim#Engineering
cover of post: Build a Great Nest.js Blog: Full-Text Search for Posts

Build a Great Nest.js Blog: Full-Text Search for Posts

Sep 28, 2025

This guide explains how to add powerful full-text search to a Nest.js blog using PostgreSQL. It covers database setup with `tsvector`, building backend logic, and integrating a frontend search interface.

By Emily Parker#Engineering
cover of post: Seamless Data Synchronization Across Databases with PostgreSQL Logical Replication

Seamless Data Synchronization Across Databases with PostgreSQL Logical Replication

Sep 27, 2025

This article delves into PostgreSQL Logical Replication for cross-database data synchronization and Change Data Capture (CDC), explaining its mechanisms, implementation, and practical applications for maintaining data consistency across distributed systems.

By Olivia Novak#Engineering
cover of post: Practical Patterns for React Custom Hooks

Practical Patterns for React Custom Hooks

Sep 27, 2025

Explore common and highly effective patterns for building custom React Hooks, focusing on useDebounce and useLocalStorage with practical examples.

By Lukas Schneider#Engineering
cover of post: Secure Configuration and Secrets Management in Rust with Secrecy and Environment Variables

Secure Configuration and Secrets Management in Rust with Secrecy and Environment Variables

Sep 27, 2025

Explore how to safely handle sensitive application configurations and secrets in Rust using the `secrecy` crate and environment variables, ensuring robust security practices.

By Grace Collins#Engineering
cover of post: Advanced Go Template Rendering for Robust Server-Side Applications

Advanced Go Template Rendering for Robust Server-Side Applications

Sep 27, 2025

Explore advanced html/template features and best practices to build performant and secure server-side rendered Go applications.

By Emily Parker#Engineering
cover of post: Build a Great Nest.js Blog: Upload Image

Build a Great Nest.js Blog: Upload Image

Sep 27, 2025

This tutorial demonstrates how to add image uploads to a Nest.js blog using S3-compatible storage, covering the backend API creation, frontend integration with the FilePicker API, and Markdown rendering.

By Daniel Hayes#Engineering
cover of post: Optimizing PostgreSQL Full-Text Search Performance

Optimizing PostgreSQL Full-Text Search Performance

Sep 26, 2025

A comprehensive guide to enhancing PostgreSQL full-text search performance through effective indexing, dictionaries, and ranking algorithms.

By Emily Parker#Engineering
cover of post: Understanding Key Props in React and Vue List Rendering

Understanding Key Props in React and Vue List Rendering

Sep 26, 2025

This article delves into the critical role and underlying mechanics of key props when rendering lists in React and Vue, explaining how they optimize performance and maintain state coherence.

By Min-jun Kim#Engineering
cover of post: Achieving End-to-End Type Safety in Next.js with tRPC

Achieving End-to-End Type Safety in Next.js with tRPC

Sep 26, 2025

Explore how tRPC eliminates the need for code generation to deliver seamless, end-to-end type safety between your Next.js frontend and Node.js backend, streamlining development and reducing errors.

By Takashi Yamamoto#Engineering
cover of post: Go database/sql Interface Demystified - Connection Pooling to Transaction Mastery

Go database/sql Interface Demystified - Connection Pooling to Transaction Mastery

Sep 26, 2025

A comprehensive guide to Go's database/sql package, covering connection management, prepared statements, and transaction handling with practical examples.

By Ethan Miller#Engineering
cover of post: Build a Great Nest.js Blog: Reply Comment

Build a Great Nest.js Blog: Reply Comment

Sep 26, 2025

This tutorial explains how to add threaded replies to a NestJS blog by updating the data model, adjusting backend services to handle hierarchical data, and enhancing the frontend with JavaScript.

By Wenhao Wang#Engineering
cover of post: Evolving Database Schemas for Continuous Application Growth

Evolving Database Schemas for Continuous Application Growth

Sep 25, 2025

Designing database schemas that can adapt to change is crucial for modern applications. This article explores strategies and techniques for adding, modifying, and deleting columns without impacting service availability, ensuring your application remains agile and performant.

By Emily Parker#Engineering
cover of post: Keeping Frontend Data Fresh Understanding TanStack Query's Automatic Sync

Keeping Frontend Data Fresh Understanding TanStack Query's Automatic Sync

Sep 25, 2025

This article delves into how TanStack Query (formerly React Query) intelligently synchronizes and refreshes frontend data with the backend, enhancing user experience and developer efficiency.

By Takashi Yamamoto#Engineering
cover of post: Fortifying Node.js Applications Against OWASP Top 10 Threats

Fortifying Node.js Applications Against OWASP Top 10 Threats

Sep 25, 2025

This article delves into practical strategies and code examples for securing Node.js applications against prevalent OWASP Top 10 vulnerabilities, focusing on injection flaws and broken access control.

By Min-jun Kim#Engineering
cover of post: Accelerating Go Web Services with Concurrent I/O Patterns

Accelerating Go Web Services with Concurrent I/O Patterns

Sep 25, 2025

Explore how Go's powerful concurrency primitives can effectively manage high-latency I/O operations in web services, improving responsiveness and throughput.

By Wenhao Wang#Engineering
cover of post: Build a Great Nest.js Blog: Comment System

Build a Great Nest.js Blog: Comment System

Sep 25, 2025

This tutorial details how to add a complete comment system to a Nest.js blog, covering the TypeORM data model, backend services, authenticated routes, and frontend EJS template integration.

By Takashi Yamamoto#Engineering
cover of post: Speeding Up Complex Analytics with Materialized Views

Speeding Up Complex Analytics with Materialized Views

Sep 24, 2025

Explore how materialized views can significantly improve the performance of intricate aggregate queries by caching pre-computed results, making them an indispensable tool for data analysts and developers.

By Lukas Schneider#Engineering
cover of post: Crafting Intuitive Component Props APIs boolean enum and their composition

Crafting Intuitive Component Props APIs boolean enum and their composition

Sep 24, 2025

This article delves into the design considerations for component props, focusing on boolean, enum, and composite patterns to create APIs that are both clean and predictable for front-end developers.

By Grace Collins#Engineering
cover of post: Passwordless Authentication in Node.js with Passkeys and WebAuthn

Passwordless Authentication in Node.js with Passkeys and WebAuthn

Sep 24, 2025

Exploring how Passkeys and WebAuthn can revolutionize user authentication in Node.js applications by eliminating passwords and enhancing security.

By Lukas Schneider#Engineering
cover of post: Structuring Go Web Applications for Maintainability and Scalability

Structuring Go Web Applications for Maintainability and Scalability

Sep 24, 2025

This article delves into the layered architecture for Go web applications, explaining how to organize handlers, services, and repositories to achieve better code organization, testability, and scalability.

By Wenhao Wang#Engineering
cover of post: Build a Great Nest.js Blog: Add Authorization

Build a Great Nest.js Blog: Add Authorization

Sep 24, 2025

This tutorial explains how to add persistent user authentication to a NestJS blog using express-session and Redis, covering session management, protected routes, and dynamic UI updates.

By Takashi Yamamoto#Engineering
cover of post: Streamlining SQL Queries with Window Functions

Streamlining SQL Queries with Window Functions

Sep 23, 2025

Discover how SQL window functions offer a powerful alternative to complex subqueries and self-joins, simplifying data analysis and improving query performance.

By Min-jun Kim#Engineering
cover of post: Choosing the Right Configuration Source for Your Python Application

Choosing the Right Configuration Source for Your Python Application

Sep 23, 2025

This article compares environment variables, INI files, and Python modules as configuration sources for Python applications, highlighting their pros and cons with practical examples.

By Daniel Hayes#Engineering
cover of post: Optimizing CI/CD for Full-Stack Projects: Leveraging Turborepo's Remote Caching and On-Demand Builds

Optimizing CI/CD for Full-Stack Projects: Leveraging Turborepo's Remote Caching and On-Demand Builds

Sep 23, 2025

This article explores how Turborepo's remote caching and on-demand build features can revolutionize CI/CD pipelines for monorepo full-stack JavaScript projects, leading to faster build times, reduced resource consumption, and more efficient development workflows. We delve into core concepts, practical implementation, and real-world benefits.

By Lukas Schneider#Engineering
cover of post: Building Robust RESTful APIs in Go Versioning Error Handling and HATEOAS

Building Robust RESTful APIs in Go Versioning Error Handling and HATEOAS

Sep 23, 2025

Explore how to construct resilient and maintainable RESTful APIs in Go by implementing effective versioning, comprehensive error handling, and the HATEOAS principle for enhanced discoverability and client interaction.

By James Reed#Engineering
cover of post: Build a Great Nest.js Blog: Add User System

Build a Great Nest.js Blog: Add User System

Sep 23, 2025

This tutorial guides you through securing a NestJS blog by adding a user registration and login system, implementing session-based authentication, and using bcrypt for secure password hashing.

By Wenhao Wang#Engineering