Every year I hit the same problem planning food trips: festival listings tell you a festival exists, but not when the next one is. Pages still show last year's dates, or say "every autumn". So at TableJourney we keep the next dates of 1,376 food festivals in 55 countries, and we have opened the…
MERN Cheat Sheet — Part 2 (verify) = not in my repos and I'm not 100% sure of the API. Versions: see Part 1 (backend: bullmq ^6.3.11, ioredis ^6.0.0, vitest ^4.1.11, supertest ^7.1.4, mongodb-memory-server ^10.2.3; frontend: react ^19.2.8, vite ^8.3.0, react-router-dom ^7.18.4…
A SQL agent sees a table called orders with columns promised_date , delivery_date , and status . You ask it for the on-time delivery rate. It generates a query, the query runs, and you get a number. The number is wrong because the agent guessed the formula. The real definition lives in a Confluence…
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I Built This semester I'm taking a DBMS lab where we write PostgreSQL queries every week. Writing the queries isn't the hard part. Understanding the errors is. column "instructor.name" must appear in the GROUP BY…
BreakMyQuery: find the row that breaks your SQL This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend . What I Built I built BreakMyQuery for a colleague(also a friend🫠) who is a new graduate hire and is struggling with SQL joins or let's say he's scared of SQL joins. A…
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An anonymous reader quotes a report from Ars Technica: Rendering Doom in a database is obviously a bad idea," Lukas Vogel writes in a lengthy blog post explaining how exactly he managed to render Doom using an SQL database. OK, that's not entirely accurate. The SQLDoom project uses a small Python…
Nine vulnerabilities hit YesWiki on October 2, 2026. The lead flaw is CVE-2026-104457 (CVSS 8.6) — unauthenticated SQL injection in the Bazar filtertags action. No login required. Attackers can read the entire database, including administrator password hashes, by injecting a UNION query through a…
1,300 lines of SQL querying renders accurate bitmapped views of Hell at 35 fps.
