--- title: "#learninginpublic articles | Hashnode" description: "Explore 172 articles tagged #learninginpublic on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/learninginpublic" --- Tag # #learninginpublic 172 posts · 2 followers [theBugDiary](https://hashnode.com/@thebugdiary) · [Oct 17](https://hashnode.com/posts/how-i-started-learning-python-with-chai-aur-code-and-the-learning-habit-that-s-helping-me-most/6ad3a467814ed547f28a8d5b) ### [How I Started Learning Python with Chai aur Code — And the Learning Habit That's Helping Me Most](https://thebugdiary.hashnode.dev/how-i-started-learning-python-with-chai-aur-code-and-the-learning-habit-that-s-helping-me-most?utm_source=hashnode&utm_medium=feed) MY LEARNING JOURNEY · 01 8 min read · [thebugdiary.hashnode.dev](https://thebugdiary.hashnode.dev/how-i-started-learning-python-with-chai-aur-code-and-the-learning-habit-that-s-helping-me-most?utm_source=hashnode&utm_medium=feed) [Faith Mwende](https://hashnode.com/@mwendekiindu) · [Oct 15](https://hashnode.com/posts/what-i-learned-analyzing-20-000-airbnb-listings/6ad0dc5cafbfd10d12158c93) ### [What I Learned Analyzing 20,000 Airbnb Listings](https://beginnerslog.hashnode.dev/what-i-learned-analyzing-20-000-airbnb-listings?utm_source=hashnode&utm_medium=feed) My first market analysis: capping price outliers, why location matters at neighbourhood not borough level. 5 min read · [beginnerslog.hashnode.dev](https://beginnerslog.hashnode.dev/what-i-learned-analyzing-20-000-airbnb-listings?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/what-i-learned-analyzing-20-000-airbnb-listings/6ad0dc5cafbfd10d12158c93) [Mudassar Ali](https://hashnode.com/@MudassarBhatti) · [Oct 12](https://hashnode.com/posts/day-7-two-people-one-plane-seat-who-gets-it/6accf6bd798b96ca65d6e4d1) ### [Day 7: Two People, One Plane Seat — Who Gets It?](https://mudassarbhatti.hashnode.dev/day-7-two-people-one-plane-seat-who-gets-it?utm_source=hashnode&utm_medium=feed) Why computers store time as a single number, how JavaScript's Date object works, and building a live countdown to the 2027 Cricket World Cup. 9 min read · [mudassarbhatti.hashnode.dev](https://mudassarbhatti.hashnode.dev/day-7-two-people-one-plane-seat-who-gets-it?utm_source=hashnode&utm_medium=feed) [Faith Mwende](https://hashnode.com/@mwendekiindu) · [Oct 8](https://hashnode.com/posts/my-final-fraud-model-day-7/6ac769cdd3ee440fcb5c9d32) ### [My Final Fraud Model (Day 7)](https://beginnerslog.hashnode.dev/my-final-fraud-model-day-7?utm_source=hashnode&utm_medium=feed) Test AUC was 0.9571, lower than validation's 0.9765. Here's why the test number is the honest one, and why threshold mattered more than model choice. 5 min read · [beginnerslog.hashnode.dev](https://beginnerslog.hashnode.dev/my-final-fraud-model-day-7?utm_source=hashnode&utm_medium=feed) [Faith Mwende](https://hashnode.com/@mwendekiindu) · [Oct 4](https://hashnode.com/posts/picking-a-threshold-is-a-business-decision-day-6/6ac4176b75eb84c85c7c3fd1) ### [Picking a Threshold Is a Business Decision (Day 6)](https://beginnerslog.hashnode.dev/picking-a-threshold-is-a-business-decision-day-6?utm_source=hashnode&utm_medium=feed) The chart doesn't decide for you. I had to. 4 min read · [beginnerslog.hashnode.dev](https://beginnerslog.hashnode.dev/picking-a-threshold-is-a-business-decision-day-6?utm_source=hashnode&utm_medium=feed) [Faith Mwende](https://hashnode.com/@mwendekiindu) · [Oct 4](https://hashnode.com/posts/xgboost-caught-more-fraud-but-there-s-a-catch-day-5/6ac22b2afc58d52f4165a7ca) ### [XGBoost Caught More Fraud - But There's a Catch (Day 5)](https://beginnerslog.hashnode.dev/xgboost-caught-more-fraud-but-there-s-a-catch-day-5?utm_source=hashnode&utm_medium=feed) My recall jumped from 59% to 81%. My precision dropped from 79% to 57%. 4 min read · [beginnerslog.hashnode.dev](https://beginnerslog.hashnode.dev/xgboost-caught-more-fraud-but-there-s-a-catch-day-5?utm_source=hashnode&utm_medium=feed) [Faith Mwende](https://hashnode.com/@mwendekiindu) · [Sep 29](https://hashnode.com/posts/i-finally-understand-auc-confusion-matrix-and-classification-report-day-4/6abbc36881e777c6e43370c8) ### [I Finally Understand AUC, Confusion Matrix, and Classification Report (Day 4)](https://beginnerslog.hashnode.dev/i-finally-understand-auc-confusion-matrix-and-classification-report-day-4?utm_source=hashnode&utm_medium=feed) My first fraud detection model scored 0.9571 AUC and 99.9% accuracy but missed 40% of frauds. 4 min read · [beginnerslog.hashnode.dev](https://beginnerslog.hashnode.dev/i-finally-understand-auc-confusion-matrix-and-classification-report-day-4?utm_source=hashnode&utm_medium=feed) [Faith Mwende](https://hashnode.com/@mwendekiindu) · [Sep 29](https://hashnode.com/posts/splitting-fraud-data-without-breaking-the-ratio-day-3/6abbac6a3973b25f7d9644c3) ### [Splitting Fraud Data Without Breaking the Ratio (Day 3)](https://beginnerslog.hashnode.dev/splitting-fraud-data-without-breaking-the-ratio-day-3?utm_source=hashnode&utm_medium=feed) Why stratify=y is the most important argument in my train/test split. 3 min read · [beginnerslog.hashnode.dev](https://beginnerslog.hashnode.dev/splitting-fraud-data-without-breaking-the-ratio-day-3?utm_source=hashnode&utm_medium=feed) [Faith Mwende](https://hashnode.com/@mwendekiindu) · [Sep 27](https://hashnode.com/posts/what-i-learned-from-my-first-look-at-fraud-data-day-2/6ab92d48df9ee8da95f2a810) ### [What I Learned From My First Look at Fraud Data (Day 2)](https://beginnerslog.hashnode.dev/what-i-learned-from-my-first-look-at-fraud-data-day-2?utm_source=hashnode&utm_medium=feed) 284,807 transactions, 492 frauds (0.173%), and one assumption that broke;most fraud is small, with a few outliers. 3 min read · [beginnerslog.hashnode.dev](https://beginnerslog.hashnode.dev/what-i-learned-from-my-first-look-at-fraud-data-day-2?utm_source=hashnode&utm_medium=feed) [Sunny](https://hashnode.com/@sunny1103) · [Sep 2](https://hashnode.com/posts/tryhackme-cryptography-concepts-learning-guide/6a98360ccfccb20d0aeb258f) ### [TryHackMe — Cryptography Concepts | Learning Guide](https://cybersecurity-learning.hashnode.dev/tryhackme-cryptography-concepts-learning-guide?utm_source=hashnode&utm_medium=feed) Platform: TryHackMe Room: Cryptography Concepts Path: Pre Security → Attacks and Defenses Estimated Time: 60 Minutes Status: Completed ✅ 🔐 Spoiler-Free Learning Guide: This article contains no TryHackMe flags, direct question answers, or challenge-specific solutions. It focuses on the concepts, methodology, tools, and practical observations I learned while completing the room. 20 min read · [cybersecurity-learning.hashnode.dev](https://cybersecurity-learning.hashnode.dev/tryhackme-cryptography-concepts-learning-guide?utm_source=hashnode&utm_medium=feed)