JSONata Explained: Query and Transform JSON Without the Boilerplate
Working with complex JSON payloads can quickly become a nightmare. You end up chaining .map() , .filter() , and .reduce() calls across multiple lines …
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JSON or XML Tags for LLM Output: The Format That Holds Under Pressure
Book: Prompt Engineering Pocket Guide: Techniques for Getting the Most from LLMs Also by me: Thinking in Go (2-book series) — Complete Guide to Go Pro…
Why I Built Online JSON Tools Instead of Another AI App
Everyone seems to be building AI products right now. Open LinkedIn, Product Hunt, or Twitter, and you'll find hundreds of new AI tools launching every…
Strict by Accident: Your JSON Parser Isn't Broken — It's Answering the Wrong Question
I was importing a JSON file and it blew up. Not a subtle bug — the parser refused the whole thing. The cause was a single extra comma. After deleting …
How a pure-Python jq ended up 40x faster than the C bindings
I spent yesterday building purejq , a pure-Python implementation of jq. I expected it to be the slow-but-portable option. Then I benchmarked it agains…
Data Visualizer
Data Visualizer Live Demo 🌐 Try it live: https://datavisualizer.urlmediainspector.dev/ What It Is Data Visualizer is a visual workspace where develope…
Top 10 Free Online Tools Every Developer Should Bookmark
Top 10 Free Online Tools Every Developer Should Bookmark Disclosure: I built these tools after repeatedly running into the same development tasks over…
10 JSON Errors Every Developer Hits (And Exactly How to Fix Them)
JSON looks simple — just key-value pairs, right? But its strictness is legendary. No trailing commas. No comments. No single quotes. No undefined . Mi…
[Перевод] TOON против TRON против JSON, YAML и CSV для LLM-приложений
Разные форматы данных существуют, потому что они решают разные задачи. JSON — строгий и машинно-ориентированный, YAML — удобен для чтения человеком, C…
I got tired of describing the same request 3 times in Symfony
When building Symfony APIs, I kept duplicating the same request contract: validation rules in a DTO OpenAPI schema (often separately) mapping / glue c…
Validating lists in Okyline: uniqueness, order, and cross-element rules
In the previous articles of this series, we introduced Okyline with an e-commerce order, added conditional logic, and covered computed business rules.…
fastjson 0.3.0: A Faster Drop-In ext/json for PHP, Backed by yyjson
// Before $payload = json_encode ( $response ); $data = json_decode ( $input , true ); $ok = json_validate ( $input ); // After $payload = fastjson_en…
JSON Validator vs JSON Formatter — What's Actually Different?
You pasted JSON into your editor and it broke. Now what? Most developers jump straight to formatting — prettify it, add indentation, make it readable.…
Архитектура автоматической трансформации данных JSON и XML любой структуры унифицированным способом
В современном IT ландшафте широко используютя форматы представления данных JSON и XML, используемые в качестве своеобразного "общего языка", lin…
Your Python Tool Needs Persistence - It Doesn't Need a Database Server
At some point, every internal tool, CLI utility, or developer script needs to remember something between runs. A list of environments. A job queue. A …
JSON Structure: The Schema Language That Actually Works for Developer
If you've ever tried to do serious code generation from JSON Schema — or used OpenAPI tooling on a complex schema and watched it give up mid-object — …
Tired of validating data with JSON Schema? We built an alternative
We've been there. JSON Schema gets hard to write as soon as your payload is non-trivial. Conditional logic, cross-field rules, business invariants, an…
KODA Format: A Schema-First Data Format to Reduce LLM Token Usage ( 40%)
When building applications with large language models (LLMs), one of the most overlooked costs is how structured data is represented. Most systems use…