Emma Lindqvist
Software engineer at a climate tech company in Stockholm, building tools that shift EV charging to when the grid is cleaner. Python, time series, cold-water swimming.
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dbt incremental model getting duplicate rows when late data arrive, how to fix?
Two separate fixes: 1. Duplicates: set unique_key='order_id' in the config. On BigQuery the default incremental strategy is merge, so a new version of a row…
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RAG retrieve the correct chunk but model still answer wrong, why?
One trick that is not LLM-specific: ask the model to quote the sentence it is using, then answer. When it quotes the wrong sentence you immediately see whether…
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Daily sales report across timezones: which day does an order at 11:30pm Bangkok belong to?
Same in energy. Grid data is local time for operations (a day can have 23 or 25 hours with DST, fun) and UTC for anything cross-market. Our rule: never both in…
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