[{"data":1,"prerenderedAt":79},["ShallowReactive",2],{"api:\u002Fapi\u002Fconfig:en":3,"api:\u002Fapi\u002Fnotes:en":8,"api:\u002Fapi\u002Fprojects\u002Fbad-club-booking-app:en":32},{"email":4,"lang":5,"name":6,"role":7},"hello@ewsirdev.example","en","Ewsirdev","Web developer: websites, landing pages and Go services",[9,16,22,27],{"slug":10,"lang":5,"title":11,"date":12,"summary":13,"project":14,"minutes":15},"double-booking","Double booking: a transaction plus a partial UNIQUE index","2026-10-20","How booking-slots protects against two clients booking the same time at once, and how that protection is tested.","booking-slots",1,{"slug":17,"lang":5,"title":18,"date":12,"summary":19,"project":20,"minutes":21},"lease-and-fencing","Lease and fencing: how a queue neither loses a job nor lets a zombie finish it twice","A worker can crash, stall, or wake up after its job was taken by someone else. How the lease and the lease token in job-queue deal with that on SQLite.","job-queue",2,{"slug":23,"lang":5,"title":24,"date":12,"summary":25,"project":26,"minutes":21},"p95-nearest-rank","p95 in an uptime monitor: the nearest-rank method and what it does not hide","How uptime-monitor computes p50\u002Fp95 latency and uptime, why the nearest-rank method was chosen, and where those numbers can mislead.","uptime-monitor",{"slug":28,"lang":5,"title":29,"date":12,"summary":30,"project":31,"minutes":21},"websocket-from-scratch","WebSocket on the standard library: what really happens under new WebSocket()","Why realtime-rooms has its own RFC 6455 layer, which protocol violations it checks, and why a library is still the better choice for production.","realtime-rooms",{"slug":33,"title":34,"type":35,"stack":36,"description":46,"highlights":47,"run":52,"hue":53,"og":54,"shots":55,"case":63,"case_lang":5,"prev":73,"next":76},"bad-club-booking-app","Bad Club: seat booking for a gaming coworking space","app",[37,38,39,40,41,42,43,44,45],"Vue 3","Vite","Pinia","Vue Router","GSAP","Express","node:sqlite","JWT (httpOnly cookie)","Resend","A demo app on Vue 3, Express and SQLite: an interactive hall map with seat booking, a user account and an admin panel with a layout editor. Passwordless sign-in via a one-time e-mail code.",[48,49,50,51],"Hall map with zones (standard, quiet, VIP, dual-monitor), a type filter and seat status","Admin panel: overview, bookings, seats, computers, users and a drag-and-drop layout editor","OTP sign-in with attempt and rate limits; the admin role is bootstrapped via an env variable","Demo data is created by a seed script on first start","npm install && npm run dev",150,"\u002Fog\u002Fen\u002Fbad-club-booking-app.jpg",{"desktop":56,"desktop_sm":57,"mobile":58,"dw":59,"dh":60,"mw":61,"mh":62},"\u002Fshots\u002Fbad-club-booking-app-desktop.webp","\u002Fshots\u002Fbad-club-booking-app-desktop-sm.webp","\u002Fshots\u002Fbad-club-booking-app-mobile.webp",1280,800,390,844,{"about":64,"features":65,"run":66,"notes":68},[46],[48,49,50,51],[52,67],"# backend :3001, frontend :5173; production: npm run build, then NODE_ENV=production npm start (JWT_SECRET and ADMIN_EMAILS in backend\u002F.env)",[69,70,71,72],"A demo project that is not deployed anywhere; no production or real customers.","Screenshots were taken on a fresh database with seed data; busy seats on the map come from the seed, not real bookings.","Without a mail service key the sign-in code is printed to the server console.","The project has no automated tests.",{"slug":74,"title":75},"legal-multipage-site","Multi-page legal services website",{"slug":77,"title":78},"dovod-concept","Dovod: expert-firm landing concept",1792697892726]