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Blogg

Jeg skriver om data engineering, kode og verktøy.

Verktøy

Claude Fable 5.2 in Practice: What It Did Well and When a Cheaper Model Is Enough

I used Anthropic's new top model on a real project, this website. Here is what it did well, where it struggled, what it cost, and when I would pick it over Opus or Sonnet.

14. nov. 20267 min lesetid
Data Engineering

Spark Partitioning — The Difference Between a 3-Minute and 3-Hour Job

Understanding shuffle partitions, data skew, and when to repartition versus coalesce.

11. sep. 20244 min lesetid
Data Engineering

dbt Testing That Actually Catches Bugs

Moving beyond not_null and unique to tests that reflect your actual data contracts.

18. juni 20243 min lesetid
Data Engineering · Databricks

The Medallion Architecture — Structuring Your Delta Lake for Scale

How to design a bronze, silver, gold lakehouse that stays maintainable as your data and team grow.

4. mars 20243 min lesetid
Kode

Python Best Practices — Writing Clean and Maintainable Code

Practical patterns for writing Python code you'll actually want to maintain six months from now.

10. nov. 20232 min lesetid
Personlig

Min vei til data engineering: ti år med vekst og læring

En gjennomgang av veien min til å bli dataingeniør, fra jeg skrudde sammen min første PC til jeg bygget Databricks-plattformer.

8. nov. 20233 min lesetid