All topics
Database
MySQL
Others
Tips
Optimizing GROUP BY in MySQL: Insights from Real-Life Query Analysis
My current query: SELECT eod.date, SUM(eod.stable_price) AS sumStablePrice FROM item_eod eod WHERE eod.date >= CURRENT_DATE…
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Architecture & Design
AWS
Security
Tools
AWS Backup: Simplify Your Cloud Data Protection
In today’s data-driven world, organizations are constantly seeking efficient and reliable ways to protect their…
Javascript/Typescript
NodeJS
Tips
10 Advanced JavaScript Tricks Every Developer Should Master
Discover 10 advanced JavaScript techniques, including tail call optimization, currying, proxies, debouncing, throttling, and more.…
Interview Question
Tips
Tools
Step-by-Step Guide: Setting Up Git and Shell Aliases on All Operating Systems
Learn how to create Git and shell aliases on Windows, macOS, and Linux. Follow this…
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Database
MySQL
Others
PostgreSQL
Ruby
Tips
Tools
Laragon: The Ultimate Lightweight Development Environment for Windows
Introduction Setting up a local development environment is often a daunting task for developers. Tools…
Interview Question
Tools
Github Action Interview: CICD Pipeline
GitHub Actions is a CI/CD tool tightly integrated with GitHub, allowing developers to automate workflows…
Database
Interview Question
MySQL
NoSQL
Tips
LIKE vs Full-Text Search: SQL Performance and Use Cases
Explore the differences between SQL’s LIKE operator and Full-Text Search. Learn their syntax, performance, use…
Interview Question
Security
Comprehensive Guide to Token-Based Authentication & Secure Access Control
Master token-based authentication, OAuth2, API security, and access control strategies like RBAC and ABAC for…
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NodeJS
Tips
Tools
Declutter Your Disk Space with NPKill: A Lifesaver for Node.js Developers
Introduction Introduce the problem of bloated disk space due to node_modules folders and the challenges…
Design patterns
Interview Question
Tips
System Design: Top 10 Best Practices for Senior Engineers
Prepare for your Senior Software Engineer interview with this comprehensive guide covering OOP principles, system…