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4 posts on College project.

The same four algorithms, in sklearn and Weka: a 2022 Data Mining lab archive

6 min read

Decision tree, k-means, Naive Bayes, neural network. Each one turned in twice, once in Python with sklearn and once in Java with Weka. The syllabus taught the model but not the tooling.

Data miningsklearnWekaJava

Hotel Delivery System: the streamlit-dbms twin, with a PlanetScale token I left in the code

7 min read

A companion Streamlit food-delivery app from the same July 2022 DBMS mini-project week. Same MongoDB Atlas cluster, plus a PlanetScale token in main.py and admin.py. Hardcoded admin PIN in the panel. f-string SQL every query. The full pattern.

StreamlitMongoDBPlanetScaleCollege project

Streamlit + MongoDB + MySQL for a 2022 DBMS lab, and yet another set of credentials I committed

6 min read

A 265-line Streamlit food-ordering demo. Users lived in MongoDB Atlas, orders lived in MySQL. Both connection strings were plaintext in main.py, in a public repo, since 2022. Also f-string SQL, because it was a lab.

StreamlitMongoDBMySQLCollege project

Nine main_version_N.py files: how I did version control before git clicked

6 min read

A Streamlit + MySQL to-do app built in 36 hours in April 2022. Twelve commits, nine numbered Python files, one 9 MB webm recording checked in, and a bug I had to solve because Streamlit reruns everything on every button press.

StreamlitMySQLCollege projectPython

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