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SSE Fragmented My JSON Into 30 Pieces. Here's the Parser That Put It Back Together.

I was building a streaming chat interface against MonkeyCode's free model access and its free server option, and the first few test runs went so smo…

aipythonjsondebugging
Dev.to Aug 26, 2026, 05:59 UTC
EN

The Lottielab watermark is layer 12345679

There is a tool on GitHub called "lottielab-watermark-remover" . It is a few lines long. All it does is walk the layers array of a Lottie file and d…

webdevjavascriptjsonanimation
Dev.to Aug 24, 2026, 20:44 UTC
EN

Moderation Summary JSON API: 4 Schema Rules for Title and Bullets

Use chat completions with schema-like JSON instructions, then reject any response that fails a local contract before a moderation report reaches a h…

jsonaibackend
Dev.to Aug 19, 2026, 05:31 UTC
EN

How I wrote a Go message broker with a throughput of a million messages per second

I built HermitMQ entirely in Go. The main feature is ditching heavy wrappers like JSON in favor of a custom 29 byte binary protocol. Additionally, d…

hermitmqjsongodevops
Dev.to Aug 18, 2026, 21:15 UTC
EN

How to Minify JavaScript, CSS, and JSON (Free, No Build Step)

Minification is one of those things everyone knows they should do before shipping to production, but reaching for a full build pipeline just to shri…

cssjsonjavascriptwebdev
Dev.to Aug 18, 2026, 16:13 UTC
EN

What if you could build a dynamic Shopify popup without React? Here’s my JSON-driven approach.

Rendering JSON-Driven Popups in a Shopify Theme App Extension Without React 🤖 Sazzad Hossain Sazzad Hossain Sazzad Hossain Follow Jul 13 Rendering J…

frontendjavascriptjsonwebdev
Dev.to Aug 18, 2026, 08:42 UTC
EN

Parsing numbers from JSON in Python

Consider this hypothetical endpoint in a Python-based web-server: # withdraw.py import json from flask import Flask , request app = Flask ( __name__…

pythonjsonfloatsecurity
Dev.to Aug 17, 2026, 20:25 UTC
EN

2026 LLM API JSON Sales Call Summaries with Bullets and CRM Action Items

A one-person gaming SaaS needs each LLM sales-call summary to arrive as structured output: a JSON schema enforced by its Node.js API, with tenant co…

nodejsonai
Dev.to Aug 14, 2026, 18:05 UTC
EN

Compact Design: a JSON language models can write and Figma can import

Don't ask a model to speak Figma's plugin API. Don't ask it for CSS and hope a screenshot is a design. I wanted a format a model can write, a schema…

figmallmjsontypescript
Dev.to Aug 14, 2026, 07:57 UTC
EN

The Hidden Reason Government Funding Data Is So Hard to Trust

Every government funding program answers the same five questions: who can apply, how much money, what it's for, what the deadline is, and how to app…

apidatajsonwebscraping
Dev.to Aug 13, 2026, 18:47 UTC
EN

10 JSON Tools Every Developer Needs

If you write software, you deal with JSON. It's in your API responses, your config files, your logs, your package.json , your test fixtures — everyw…

jsonwebdevproductivitytools
Dev.to Aug 12, 2026, 01:54 UTC
EN

Contract Testing in 10 Lines: JSON Schema Validation in Postman

Here's a bug your test suite probably wouldn't catch. A backend developer refactors the user model. The id field — an integer since forever — starts…

testingpostmanapijsonqa
Dev.to Aug 10, 2026, 10:00 UTC
EN

5 JSON-to-C# conversion mistakes generated models can hide

JSON-to-C# generators are useful for removing boilerplate, but their output is a starting point - not a schema. Before shipping generated models, I…

csharpjsondotnetprogramming
Dev.to Aug 5, 2026, 01:56 UTC
EN

Stop Reading Raw JSON: A Better Workflow for Debugging API Responses

If you work with APIs every day, you've probably had this experience. You copy a JSON response from your browser's DevTools... ...and you're greeted…

jsonwebdevapiprogramming
Dev.to Aug 4, 2026, 08:27 UTC
EN

How I Built a Free JSON to Excel Converter That Handles Nested JSON

If you've worked with APIs, you've probably received JSON responses that needed to be shared with non-technical users. While developers are comforta…

webdevjsonopensource
Dev.to Aug 2, 2026, 13:20 UTC
EN

Structured Security Findings From a 7B Model: The Schema That Stopped Breaking

For about two weeks last year, roughly one in five runs of my audit pipeline died on the same line: JSON.parse . The model's security analysis was o…

aitypescriptjsonsecurity
Dev.to Jul 28, 2026, 16:08 UTC
EN

Are duplicate keys valid in JSON? What RFC 8259 actually says

RFC 8259 says object names SHOULD be unique — so duplicates are legal but the behavior is unpredictable. See which value each parser keeps, how to r…

jsonapiwebdevprogramming
Dev.to Jul 26, 2026, 18:25 UTC
EN

Handling Pandas NaN Values in FastAPI JSON Responses

Handling Pandas NaN Values in FastAPI JSON Responses ===================================================== When building APIs with FastAPI and worki…

pythonjsonpandasfastapi
Dev.to Jul 25, 2026, 04:10 UTC
EN

Alpha to Beta: Bringing In QA

Two posts ago , R and D were two roles, two rulebooks, one person switching hats. Last time was D's story: the loop that made shipping safe. By now…

pythonopensourcejsonschema
Dev.to Jul 24, 2026, 13:00 UTC
EN

The DevOps Team That Never Sleeps

Everyone has discovered that AI writes code fast. The harder question is when you can trust what it wrote — especially if you weren't watching while…

pythonopensourcejsonschema
Dev.to Jul 23, 2026, 13:00 UTC
EN

I built a browser-only JSON & Markdown workbench so my data never has to leave my laptop

The problem Every time I needed to format, diff, or validate a gnarly JSON payload — a webhook log, an API response, a config file with a stray trai…

jsonwebdevopensourcesveltekit
Dev.to Jul 22, 2026, 19:25 UTC
EN

The Research Assistant in the Room

Last time , I split the two weeks of building Omnist into two teams of one: a Research Assistant for conceptualization, a DevOps team for materializ…

pythonopensourcejsonschema
Dev.to Jul 22, 2026, 13:00 UTC
EN

A Team of One, Running Two Teams

The initial implementation of Omnist , a tested, open-source Python library , came together from a 16-year-old PhD paper in two weeks — one person,…

pythonopensourceschemajson
Dev.to Jul 21, 2026, 13:00 UTC
EN

Mastering JSON: Tips for Confident Data Handling

Introduction JSON (JavaScript Object Notation) is everywhere. APIs, config files, databases, you name it. Yet many developers trip over the same bas…

jsonjavascriptpythonwebdev
Dev.to Jul 21, 2026, 00:01 UTC
EN

Bulk-validating JSON test cases against a CSV schema with JSONPath (jsonpath-plus)

What this is Of all the tools on Torinoa Tools , the one I personally use the most is the JSON Expected Value Validator . When working on APIs, I re…

jsontypescripttestingjavascript
Dev.to Jul 19, 2026, 22:52 UTC
EN

Measured: the last Sonnet update started wrapping raw JSON in a markdown fence

Liquid syntax error: Unknown tag 'endraw'

llmaitestingjson
Dev.to Jul 18, 2026, 17:10 UTC
EN

How to Compare JSON Files the Easy Way (Without False Positives)

Last month I spent almost an hour convinced an API had a bug. Two responses from the same endpoint, same data, and my diff tool was showing me a wal…

jsonwebdevapitutorial
Dev.to Jul 17, 2026, 12:56 UTC
EN

That online JSON converter you paste prod data into? It's uploading it.

We've all done it. You've got a chunk of JSON — an API response, a config file, a database export — and you need it as YAML or CSV right now . So yo…

jsonwebdevprivacyproductivity
Dev.to Jul 17, 2026, 10:31 UTC
EN

Line simplification algorithms

Cartography is all about taking the real world and turning it into a picture that people can understand. It’s the process of deciding: what places t…

jsond3jsalgorithmsbeginners
Dev.to Jul 15, 2026, 09:36 UTC
EN

Generate TypeScript Types from JSON (and where the auto-generators trip up)

You've got a JSON API response and you want TypeScript interfaces for it. Here's how to generate them fast — and where the auto-generators quietly g…

typescriptjsonwebdevtutorial
Dev.to Jul 12, 2026, 06:11 UTC

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