
I spent 10 hours vibe-coding a tool to visualize any Parquet file’s internals
Petquar, watch the 20s demo below
My mom reads my articles to support her son. Now, she can design a data architecture and write ETL scripts.
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Petquar, watch the 20s demo below

To learn stream processing

Context, definition, and implementation (based on my imagination)

The dataflow model, throughput and latency, and the tools

...as a data engineer

Normalization, their approaches and motivations.

Mental model and putting it in Python context

Storing, processing and moving data.

The mindset to grow and get promoted.

Containerization → Reproducibility + Isolation