Quantified Self: How I Handled 100GB of Messy Biosensor Data with Polars and Dask
We live in the era of the "Quantified Self." Between my Oura ring, Apple Watch, and continuous glucose monitor (CGM), I’m generating more data than…
DevOps
⚑ Сообщить о проблемеПоследние новости DevOps от Tech News
Все темы
agents
ai
api
architecture
automation
aws
backend
beginners
cloud
database
devchallenge
devops
docker
javascript
kubernetes
llm
machinelearning
mcp
node
opensource
performance
productivity
programming
python
security
showdev
testing
tutorial
typescript
webdev
Python Polars Cheat Sheet: Fast DataFrames for Busy Engineers
Polars hits the sweet spot between Pandas’ ease and Spark’s scale. If you’ve ever waited on a groupby or cursed a memory error, this cheat sheet is…
Writing a native Polars plugin in Rust: PII masking with no per-row Python
A column of payment notes will teach you where Python spends its time. Mine held free text: "charged card 4111 1111 1111 1111", "cliente RUT 12.345.…
Format-preserving encryption for PII in Polars: FF3-1 vs FF1 for RUT, CPF, and DNI
You need to hand a dataset of Chilean RUTs to an outside analytics team, who will join it against other tables by identifier, run the cohort analysi…
Algorithmic Entity Resolution in Music Metadata
In the global streaming economy, Spotify, Apple Music, and other DSPs process billions of plays daily. Behind this massive transaction layer lies a…
I built a native C# DataFrame engine to rival Python Polars (it's actually faster on some things)
Here is a draft for DEV.to. It is structured exactly how developers love to read articles: a quick introduction, the core architectural philosophy,…