Python
Pandas groupby with multiple aggregations
Apply different aggregations to different columns in a single pass instead of chaining multiple operations.
Snippets
Small, reusable code snippets with short explanations — quick reference for the tricks I reach for often.
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Python
Retry a flaky call with exponential backoff
Wrap an unreliable function with a small retry loop that waits longer after each failure.
JSON
What is JSONL?
JSONL stands for JSON Lines. It's a text file where each line is one complete, standalone JSON object, with no commas between lines and no outer brackets.
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