Practical developer guides
Understand the task.
Then use the tool.
Worked examples, clear boundaries and source-backed explanations for everyday development.
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From Sample JSON to a Reviewed API Contract
Turn sample inference into a reviewed TypeScript and JSON Schema proposal, with explicit acceptance cases.
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Compare Environment Files Without Leaking Secrets
Compare configuration names, understand raw-value differences and keep sensitive values out of review reports.
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Convert cURL to Fetch—and Know What Cannot Transfer
Separate request intent from shell behavior, browser CORS restrictions and credential assumptions.
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Read a HAR File Without Replaying Its Requests
Use recorded timings and response sizes to frame a network investigation without replaying requests.
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Debug CSS Specificity Before Adding !important
Compare selector tuples in a controlled example, then check the cascade decisions that specificity cannot explain.
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Trace CSS Custom Properties and Broken Fallbacks
Follow missing references, potential cycles and invalid substitutions back to their element-level context.
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Make Test Fixtures Reproducible from JSON to SQL
Keep seeded JSON, expected patches and SQL fixture exports together as a reproducible test case.
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Diagnose Garbled Text with BOM, Bytes and Encodings
Preserve original bytes, inspect BOM evidence and use strict decoding before rewriting a damaged file.
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Plan Retry Backoff Without Creating a Retry Storm
Calculate capped delays and jitter ranges while keeping timeout budgets and safe replay decisions separate.
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