ListicleAI ToolsBeginner
Top Free AI Tools for Developers to Try First
A practical roundup of free or free-tier AI tools developers can use for coding, debugging, documentation, search, and day-to-day technical work.
10 min readUpdated Apr 24, 2026
Tutorial Library
Developer Tutorials, Quick Fixes, AI Tools, and Learning Lists
A practical knowledge hub for installation guides, troubleshooting notes, developer tutorials, AI tool roundups, and curated free learning resources.
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TutorialInstallationBeginner
How to Install and Configure Nginx on Ubuntu 24.04 LTS
Install Nginx on Ubuntu 24.04 LTS, allow web traffic through UFW, create a simple server block, test the configuration, and troubleshoot common issues.
9 min readUpdated Apr 24, 2026
Quick FixQuick FixesBeginner
Quick Fix: Node Port Already in Use on Windows
Find the process using your Node.js port, stop it safely with Windows tools, and restart your dev server without guessing.
6 min readUpdated Apr 24, 2026
TutorialAPIsBeginner
How to Plan a Clean REST API Endpoint
Design request fields, validation rules, response shapes, status codes, and error handling before writing a REST endpoint.
8 min readUpdated Apr 24, 2026
ListicleFree CoursesBeginner
Best Free Courses for Learning Linux Basics
A practical roundup of free Linux courses, videos, and hands-on labs, with notes on who each one helps and how to practice while learning.
11 min readUpdated Apr 24, 2026
GuideDockerIntermediate
Docker Image Cleanup Without Breaking Deployments
Learn which Docker prune commands are safe, what they actually delete, and how to avoid removing data or breaking active work.
8 min readUpdated Apr 24, 2026
GuideDatabasesAdvanced
How to Review PostgreSQL Indexes Before Production
Review PostgreSQL indexes with filters, joins, sort order, selectivity, and query plans before making production changes.
9 min readUpdated Apr 24, 2026
TutorialJavaScriptBeginner
Regex Testing Notes for Production Scripts
Test JavaScript regex patterns with positive cases, negative cases, flags, replacement checks, and readable notes for future maintenance.
7 min readUpdated Apr 24, 2026
GuideDevOpsIntermediate
Environment Variable Safety in CI/CD
Separate secrets from public variables, document examples safely, and add CI/CD checks that prevent accidental leaks during releases.
8 min readUpdated Apr 24, 2026
TutorialPythonBeginner
Python Automation Script Structure
Structure Python automation scripts with clear inputs, logging, dry-run support, error handling, and output that is safe to trust in real workflows.
8 min readUpdated Apr 24, 2026
GuideCareerBeginner
Writing Useful Technical Status Updates
Write technical status updates with context, progress, blockers, risk, and next steps so teammates and managers can act quickly.
6 min readUpdated Apr 24, 2026
GuideSecurityIntermediate
Basic Threat Modeling for Small Web Apps
Map assets, entry points, trust boundaries, abuse cases, and practical mitigations before launching a small web application.
9 min readUpdated Apr 24, 2026
TutorialNext.jsIntermediate
Next.js Static Export on GitHub Pages
Set up `output: "export"`, generate the `out` directory, publish to GitHub Pages, and avoid the common path and asset mistakes.
10 min readUpdated Apr 24, 2026