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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Database
MySQL
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Tips
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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
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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
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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
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PostgreSQL
Ruby
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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…