Technical experiences and insights shared by itemSCV engineers
Found 28 posts
ORMs used to be unfashionable (“real engineers write SQL”). Agents changed that: schema, migrations, and generated clients are back. Why ORMs were snubbed, what vibe coding flipped, real repo examples, and cautions for production rollout.
A practical guide to social media marketing: channel selection, content planning, community management, and measuring performance.
A practical guide to email marketing: list building, planning, copy and design, A/B testing, and measuring results.
Essential user research methods for product work, split into qualitative and quantitative approaches: interviews, surveys, observation, usability tests, A/B tests, and analytics—with checklists you can use immediately.
What ontologies are in data and AI, and how we designed and applied them in reward and event domains, grounded in real delivery work. Covers concepts, relations, properties, JSON-LD and RDF examples, failure modes, and references.
A stage-by-stage playbook for shipping products successfully: pre-launch preparation, launch-day execution, and post-launch measurement—written for practitioners.
§5 golden sets, §6 vendors, plus §7 EN/KO stack & glossary, §8 logging/tools/red team, §9 observability·rollback·degraded mode—ops-first LLM comparison notes.
How to use large language models efficiently: token optimization, prompt engineering, caching, and cost controls you can apply in real projects.
Strategies and implementation details for Next.js SEO we use in real projects: metadata, structured data, internationalization, and more—with code.
OWASP Top 10–aligned practices with concrete examples: authentication, authorization, data protection, and vulnerability prevention.
A practical guide to brand positioning: target analysis, competitive mapping, differentiation, unique value proposition, messaging, and how to operationalize and monitor position over time.
Read-replica rationale, WAL lag, replica-side SQL, hot_standby_feedback, planner drift, failover/DNS, and an adoption checklist—plus API routing, RYW, pooling, conflict cancels, and on-call order. itemSCV PostgreSQL field notes.
How we run Docker in production: multi-stage builds, security, health checks, Compose, monitoring, and CI/CD—with concrete examples.
Growth tactics for startups and scaling companies: viral loops, retention, partnerships, and experiment-driven iteration—organized around acquisition, activation, retention, revenue, and referral.
Compare AWS, Naver Cloud Platform (NCP), and GCP from a DevOps angle: startup/public-sector/global scenarios, Terraform provider skeletons, kubectl and SSO in practice, a one-week PoC checklist, and incident time zones.
Principles, sync/async communication, discovery, API gateways, tracing, metrics, failure handling, and deployment patterns—with examples.
How to build an effective content marketing strategy step by step: audience analysis, editorial planning, distribution, and measurement—focused on what teams actually do.
Schema as contract, N+1, DataLoader, depth/complexity limits, field auth, caching reality checks—operations-focused notes with minimal code.
How to use advanced TypeScript features for safer, more flexible code: generics, conditional types, mapped types, and practical examples.
Practical guidance for efficient, scalable databases: normalization, indexing, relationships, and operations you can apply immediately.
How the web evolved, what Web3 changes, and how to build: blockchain basics, smart contracts, dApp stacks, security, gas, roadmaps, checklists, and FAQ.
Semantic tags, multimedia, forms, and APIs—practical HTML5 patterns, checklists, FAQ, and references you can use on real pages.
Deploy reliable, scalable apps on Kubernetes: resources, health checks, autoscaling, rollout strategies, ConfigMaps, Secrets, networking, monitoring, and security.
Practical techniques to speed up React apps: memoization, code splitting, virtualization, and more—with examples.
INNER, LEFT, RIGHT, FULL OUTER, and CROSS JOINs with practical examples, performance tips, a mistake-prevention checklist, and FAQ.
Major Next.js 14 features and performance improvements, with notes on applying them in real projects.
How to use GA4 for campaign and content decisions—not just “reporting numbers.” Includes GTM scenarios, UTM URL examples, DebugView and self-referral troubleshooting, and a mini event dictionary template.
A concise map of 2025 IT/digital trends with real-world examples and checklists you can use in planning—not hype slides.
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