The Reusable Part of a Bulk Translator Isn't the Translate Call
A V2EX builder bulk-translated user content with an AI Persona API. The part worth keeping is a hosted Python endpoint plus an editable SQLite cache that stops you paying twice.
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Evidence-based AI market signals, coding demand, and practical growth cases for builders.
Practical guides
Rebuilding the Durable Half of a Masking Gateway as a Hosted Python Endpoint
A dev leaked cloud keys twice through vibecoding. Here's how to rebuild the reliable core of a mask-and-restore gateway as a hosted endpoint, plus the honest limits.
Rebuilding the caretaker-controlled TV playlist: a hosted player and an editable URL ledger
A builder debrief on the 'node list' TV app: keep the durable half — a hosted HTML player, a hand-edited whitelist, a small remote endpoint — and drop the fragile shell.
Rebuilding AegisCrawler's Immutable-Rule Idea on VicroCode: Python + SQLite Version Binding, Minus the Browser
AegisCrawler's best call was making rules immutable, versioned, and patch-only for the LLM. Here's how to rebuild that audit half in hosted Python and SQLite.
Retrieve, Don't Re-Feed: Cutting the Token Bill on Document Cross-Review
Cross-doc review costs climb as the pile grows. The fix isn't a bigger window, it's scoping each pass to the passages that matter. Here's a hosted retrieval build.
Stop guessing your prompt cache TTL — probe it and log the answer
A dev asked how long Claude Desktop's input cache lives and got a shrug. Here's how to measure cache expiry instead of guessing, using a Python probe and a hosted SQLite ledger.
The Contradiction Finder: Rebuilding a Thought-Clarifier as a Hosted Journal on VicroCode
A vibe-coded plugin hunted self-contradictions in one person's rambles. Here's how to rebuild the winnable core as a hosted journal that surfaces conflict without deciding for you.
Stop Trading Prompts: Build a Regression Bench That Proves a Tweak Actually Helped
A V2EX dev handed review, testing, and triage to agents and asked for treasure prompts. The real problem isn't collecting prompts, it's proving one version beats another.
GitHub Trending Got Drowned in AI Slop, So I Built My Own Triage Ledger
A builder debrief: when star counts stop meaning anything, you rebuild your own signal-based repo scorer, a hand-editable ledger, and a hosted ranking board.