Hello everyone, I'm @xiaoqiangapi, the Chinese teacher who gives apis a "check-up". [An article on] (HTTP: / / https://dev.to/xiaoqiangapi3721/a-chinese-language-teachers-api-security-checkup-1-passing-all-three-certification-checkpoints-3d1e, I tested the most basic authentication mechanisms - no Key, wrong Key, empty requests - and the API blocked them all. But authentication is just the first g
Opinion: We Ditched All Third-Party Mobile SDKs – Cut App Startup Time by 30% for iOS 18 When iOS 18 launched, our team braced for the usual post-release performance tweaks. Instead, we hit a wall: our flagship app’s cold startup time had crept up to 2.8 seconds, well above Apple’s recommended 1.5-second threshold for optimal user retention. After months of debugging, we made a radical call: rem
This is part 3 of a series on building MetaBulkify, a Shopify app for bulk editing metaobjects via CSV. Part 1: Excel data corruption and GID/handle resolution Part 2: Shopify platform traps (scopes, throttling, dev store billing) This post is about two things: how I build software as a solo developer with AI, and how I designed pricing to let users try the app properly before committing. I have a
AI, Intimacy, and the Data You Never Meant to Share
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I recently shipped MetaBulkify, a Shopify app for bulk editing metaobjects via CSV. (Part 1 covers the metaobject-specific challenges.) The metaobject stuff was hard, but the Shopify platform stuff was harder. Here are three traps that aren't obvious from the docs. Week 1 of development. Nothing works. metaobjectDefinitions query returns an empty array. No error message. Just... nothing. The probl
Open Source Does Not Imply Open Community
By Q2 2026, engineering teams building local Retrieval-Augmented Generation (RAG) pipelines will waste $47M annually on managed vector databases they don't need – and Pinecone 2.0's 300% price hike over its 1.0 release is the biggest culprit. VS Code inserting 'Co-Authored-by Copilot' into commits regardless of usage (842 points) A Couple Million Lines of Haskell: Production Engineering at Mer