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185 entries match these filters
- 0009 CSV to JSON converter A small command-line tool that turns a CSV file into a JSON array of objects, with optional number detection, custom delimiters and… Beginner · Step by step · Any system Script CSV & JSON · Files & automation 15 Oct 2026
- 0026 Fix: TypeError: Cannot read properties of undefined (reading ‘x’) You tried to read a property from a value that is undefined or null. Find which value is missing, then guard it… Beginner · Fixes an error · Any system Article Basics · Common errors 15 Oct 2026
- 0010 Find duplicate files by content Scans folders and lists files with identical content, using file size first and SHA-256 hashes second. It is read-only and only reports… Intermediate · Step by step · Any system Script Files & automation 15 Oct 2026
- 0027 Fix: SyntaxError: Cannot use import statement outside a module The file uses ES module import syntax, but Node or the browser is loading it as a classic script or CommonJS. Tell… Intermediate · Fixes an error · Any system Article Common errors · Node.js 15 Oct 2026
- 0012 Requests: HTTP for humans Requests is the classic Python library for calling web APIs and downloading pages, with a simple API for GET and POST requests,… Any system Repo Files & automation · Making requests 15 Oct 2026
- 0029 TypeScript Microsoft's TypeScript language and compiler: typed JavaScript that compiles to plain JavaScript, plus the language service that powers editor features. Any system Repo Basics 15 Oct 2026
- 0013 pytest pytest is the de facto standard test runner for Python: plain functions with assert, detailed failure reports, fixtures, parametrization and a large… Any system Repo Testing 15 Oct 2026
- 0030 Axios A promise-based HTTP client for browsers and Node.js with interceptors, automatic JSON handling, request cancellation and a consistent API in both environments. Any system Repo Async code · Making requests 15 Oct 2026
- 0014 uv: Python package and project manager uv is a very fast Python package and project manager written in Rust. It replaces pip, venv and related tools, manages lock… Any system Repo Environments & packages 15 Oct 2026
- 0031 Lodash A JavaScript utility library with helpers for arrays, objects, strings and functions, including debounce, throttle, deep cloning and safe property access. Any system Repo Patterns 15 Oct 2026