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25 resultsIntroduction to Data Pipelines
What a data pipeline is, the core stages, and when to build vs buy.
Data Warehouse Modelling — Star Schema and Dimensional Design
Facts, dimensions, slowly changing dimensions, and why modelling choices matter for query performance.
Ransomware Recovery — What To Do Right Now
Immediate response steps, identification, and recovery without paying.
CI/CD Pipeline Design — From Commit to Production
Stages, gates, deployment strategies, and keeping pipelines fast.
Secure Coding — OWASP Top 10 for Backend Engineers
Injection, broken auth, XSS, IDOR, and how to prevent each.
PostgreSQL Performance Tuning Fundamentals
Indexing strategy, EXPLAIN ANALYZE, vacuum, and configuration settings that matter most.
JWT Authentication — Implementation and Security Patterns
Access tokens, refresh tokens, rotation, revocation, and common mistakes.
Building a Data Quality Framework
Dimensions of data quality, validation layers, and monitoring in production pipelines.
SQL Query Optimisation — Indexes, Execution Plans, and N+1
Practical techniques for making slow queries fast.
Product Engineering — Service Overview
APIs, dashboards, and services delivered with tests, CI/CD, and observability from day one.
Convert a Windows 10 Boot Disk from Legacy BIOS (MBR) to UEFI (GPT)
Step-by-step guide to switching an existing Windows 10 installation from MBR/Legacy BIOS boot to GPT/UEFI — without reinstalling Windows — using Microsoft's bu…
Fix Windows Update Stuck or Failing
Clear the update cache, reset services, and force updates to complete.
Reset a Forgotten Windows 10/11 Password
Methods for local accounts and Microsoft accounts, without data loss.
Implementing Data Retention Policies
Legal requirements, technical implementation, and automated deletion workflows.
Secrets Management for Data Platforms
HashiCorp Vault, AWS Secrets Manager, and patterns for rotating credentials safely.
Data Observability — Detecting Silent Pipeline Failures
Freshness, volume, distribution, schema, and lineage monitoring for data reliability.
DuckDB — Blazing Fast Local Analytics
When to reach for DuckDB instead of Spark, and how to use it effectively.
Event-Driven Data Architecture Patterns
Event sourcing, CQRS, outbox pattern, and when event-driven beats request/response.
Monitoring and Alerting for Data Pipelines
What to monitor, SLIs/SLOs for data, and building effective alerting.
How to Update Your BIOS Safely
When to update, how to do it without bricking the board, and recovery options.
Fix Windows Activation Errors
Resolve error codes 0xC004F074, 0x803F7001, and activation issues after hardware changes.
Dependency Management and Supply Chain Security
Lock files, vulnerability scanning, SBOM, and keeping dependencies up to date.
Testing Strategy for Data Pipelines
Unit tests, integration tests, data contract tests, and regression testing for pipelines.
Parquet vs CSV — Why Columnar Storage Matters
How Parquet's columnar format reduces storage costs and speeds up analytical queries.
Docker Containerisation Best Practices
Writing efficient Dockerfiles, multi-stage builds, security hardening, and image size reduction.