ESLint and Prettier Conflict: How to Fix It
Why an eslint and prettier conflict happens, and the official, documentation-backed fix using eslint-config-prettier, explained step by step.
Software
Articles on custom software, CRM, e-commerce platforms, integrations and SaaS products.
174 posts
What Is Regex? Regular Expressions Explained With Examples
What is regex and how do you write it well? Character classes, groups, anchors, greedy vs lazy matching, validation examples and practical defenses against ReDoS.
What Is a Webhook? How It Works and How It Differs From an API
What is a webhook, and how is it different from an API or WebSocket? We explain event-driven push, HMAC signature checks, retries and idempotency with clear examples.
What Is YAML? YAML vs JSON, Syntax and Common Indentation Errors
What is YAML and how does it differ from JSON and TOML? Key and value pairs, lists, multi-line strings, indentation rules, the tab error and type traps like the Norway problem.
How to Fix the pip externally-managed-environment Error
If pip install fails with externally-managed-environment, PEP 668 is protecting your system Python. Here is how to fix it safely with venv, pipx, or system packages.
What Is Claude Code? How to Install and Use It
What is Claude Code, and how do you install and use it? We explain Anthropic's terminal AI coding agent with setup, CLAUDE.md, permissions, and a comparison table.
How to Resolve Git Merge Conflicts: A Step-by-Step Fix
A conflict showed up during merge, pull or rebase. Check git status, clean the markers, stage the files and finish the operation. If you want out, abort restores the previous state.
ModuleNotFoundError: No module named in Python, How to Fix It
Fix the Python No module named error in the right order: interpreter, venv, IDE, Jupyter kernel, file shadowing, project layout, PYTHONPATH, Docker and CI.
JavaScript Heap Out of Memory Error: How to Fix It in Node.js
Getting a JavaScript heap out of memory error in Node.js? Raise the limit temporarily, then find the real cause: oversized data, build load, or a memory leak.
Localhost Refused to Connect? How to Fix ERR_CONNECTION_REFUSED
When localhost refused to connect, check the server, the port and the listening address first. Then work through Docker, WSL, cache and security software in the right order.