133 prompts
Write a pandas script to clean this CSV: [describe columns and problems, e.g. mixed date formats, duplicates, missing values, inconsistent names]. Log each cleaning step, keep a summary of rows changed, and save a clean file.
Cleans messy CSV data into an analysis-ready table.
Write Python code using [matplotlib/plotly] to visualise [data description] as [chart type]. Add a clear title, labelled axes, readable fonts, sensible colors, annotations for key points, and save as PNG.
Here's my regex: [regex] meant to match [description]. Generate 15 test strings that should match and 15 that shouldn't, including edge cases. Tell me which ones my regex gets wrong and suggest a fixed version.
Write a Bash script that [task]. Use set -euo pipefail, validate arguments, print usage help, log steps with timestamps, clean up temporary files on exit, and make it safe to run twice.
A robust shell script with error handling and logging.
Write a TypeScript client for the [API name] REST API covering [endpoints]. Include typed requests and responses, auth handling, retries with backoff, timeouts, helpful errors, and usage examples.
Review and rewrite this page's HTML for SEO and accessibility: semantic elements, heading order, meta title and description, Open Graph tags, canonical link, structured data for [type], and image alt text. HTML: [paste HTML]
Semantic HTML and meta tags that help search engines.
Show how to add Stripe Checkout to a [framework] app for [product type: one-time / subscription]. Include server code to create a session, redirect handling, a webhook endpoint that verifies signatures and fulfils orders, and test-mode steps. Use environment variables for keys.
Build validation for a [form type] form in [framework or vanilla JS]. Validate [fields] on blur and submit, show inline accessible error messages, disable submit while sending, and handle server-side errors gracefully.
Accessible form validation with helpful error messages.
Write a Node.js script that [task, e.g. reads a CSV and calls an API for each row]. Use async/await, limit concurrency to [n], retry failed requests with backoff, log progress, and handle errors without crashing. Include package.json dependencies.
A clean Node.js script with proper async error handling.
Refactor this callback-based code to use async/await. Keep the behaviour identical, add proper try/catch error handling, and explain any changes in execution order. Code: [paste code]
Modernises callback-based code to promises and async/await.
My web page has these performance metrics and details: [Lighthouse results / stack / page description]. Identify the biggest causes of slow loading and poor Core Web Vitals, and give prioritised fixes with code examples (images, fonts, JS bundles, caching, rendering).
Finds and fixes slow page loads and poor Core Web Vitals.
Write Jest unit tests for this function/module. Cover normal cases, edge cases, error handling, and mock [dependencies]. Use descriptive test names and arrange-act-assert structure. Code: [paste code]