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Article
Data & Platform
★ Featured
Choosing a vector database: pgvector vs Pinecone vs Weaviate
A practical comparison across dimensions that matter for production RAG systems.
Article
Computer Repair
Laptop Battery Not Charging — Diagnosis and Fix
Plugged in but not charging? Work through software, driver, and hardware causes.
Article
Data & Platform
Change Data Capture (CDC) — Debezium and Log-Based CDC
How CDC works, why it beats polling, and how to implement it with Debezium.
Article
Computer Repair
Replace the CMOS Battery (Fixing Date/Time Reset)
How to identify a dead CMOS battery and replace it on desktops and laptops.
Article
Computer Repair
PC Won't Turn On — Zero Power Diagnosis
Methodical troubleshooting when pressing the power button does nothing at all.
Article
Computer Repair
Fix a Corrupted Windows User Profile
Symptoms of a corrupt profile and how to migrate to a new one without data loss.
Article
Data & Platform
PostgreSQL Replication — Streaming, Logical, and Read Replicas
Set up read replicas, understand WAL, and choose between streaming and logical replication.