Developer Utilities

Compare barcode scanning hardware: Learn how red laser diode reflections and CCD image sensors decode 1D linear barcode lines and check digits.

Jev is TypeSafe AI's new decision model: state in, typed Choice/Score/Boolean answers out, no text generation. What it actually is, how it compares to GPT, Claude and Gemini, and when it's the right tool.

Regex, JSON, and SQL all share one property that makes them hard to debug: dense syntax that becomes unreadable the moment it is minified, nested, or one character off. Here is why formatter tools outperform print-statement debugging.

Most real projects touch all three config formats in one pipeline — Kubernetes YAML, REST JSON, legacy XML. Here is where type fidelity breaks when converting between them, and how to validate at every stage.

Autocomplete suggests a line you read before accepting. An agent makes twenty changes and runs commands. The difference is where verification moves to — and that is now the real cost.

Markdown fences, truncated objects, refusals, trailing prose and schema-valid nonsense — the failure modes specific to model-generated JSON, and a checklist for diagnosing each one quickly.

A practical guide to building on GPT-6 Astra: what reasoning effort actually costs you, what strict-mode structured outputs guarantee and what they do not, how the agentic tool surface fits together, and how to keep the bill sane.

Deconstruct QR scanning algorithms: Learn how camera image binarization, thresholding, position finder patterns, and alignment grids decode QR matrices.

Master QR codes: Learn the exact differences between static and dynamic QR codes, Reed-Solomon error correction levels (L, M, Q, H), and data capacity limits.

Understand barcode standards: Compare 1D linear symbologies (Code 128, UPC-A, EAN-13) against 2D matrix barcodes, and learn how check digits work.

Convert centimeters to feet and inches correctly using the exact 0.0328084 factor, with a height conversion chart and the rounding mistakes most calculators get wrong.

JSON formatters and validators solve different problems: one makes messy JSON readable, the other checks if it is syntactically correct. Here is how to tell them apart and when to use each.