अभ्यास • Week 32

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Weekly Production Deliverable

Target Output

Deliverable: Advanced String Algorithms done. LLD is 100% complete. SQL Access Control & Window Functions foundations done. A fine-tuned LoRA model on GitHub. A properly layered, validated Spring Boot REST API.

Weeks: W31 W32 Active W33 W34 W35

Monday

0 / 2 done

DSA Reverse every word in a string; Count and say

1.5h

AI/ML HF PEFT & LoRA Foundations (huggingface.co/docs/peft)

Parameter-Efficient Fine-Tuning, LoRA concept: freezing base model, low-rank decomposition matrices W = W₀ + B · A, rank r, scaling α

2.5h

Tuesday

0 / 2 done

DSA Minimum number of bracket reversals; intro to pattern matching

Rabin Karp Algorithm

1.5h

CORE LLD Part 3 Finish & SQL Access Control

LLD: Music Streaming Platform (Design & Code — LLD 100% complete!) + SQL: Permissions and Transactions Part 1 & 2 (Privileges, Roles, GRANTS, REVOKE, RBAC) + Quiz

2.5h

Wednesday

0 / 2 done

DSA Z function

1.5h

AI/ML LoRA Hands-on Fine-Tuning

Follow Hugging Face PEFT fine-tuning walkthrough: fine-tune an open LLM on a toy instruction-tuning dataset; evaluate outputs before and after fine-tuning

2.5h

Thursday

0 / 2 done

DSA KMP Algorithm or LPS array

1.5h

CORE SQL Window Functions Foundations

Core Mental Model (OVER, PARTITION BY, ORDER BY), Ranking Functions (ROW_NUMBER, RANK, DENSE_RANK) + Offset Functions (LEAD, LAG) + Quiz

2.5h

Friday

0 / 2 done

DSA Shortest Palindrome; Longest happy prefix

Advanced Strings done

1.5h

AI/ML LoRA Checkpoint & Model Release

Push fine-tuned adapter weights and evaluation comparison to GitHub with README explaining LoRA math and parameter savings

2.5h

⚡ Weekend High-Load Execution • 8.0h Daily Deep Focus Lab

Saturday

0 / 3 done

DSA Contest + full revision of Rabin-Karp/Z-function/KMP

1.5h

AI/ML Automated RAG Evaluation with RAGAS (4.0h)

Integrate RAGAS automated test suite into CI/CD; evaluate retrieval hit-rate and generation faithfulness.

4.0h

JAVA Layered Architecture & DTOs

Controller → Service → Repository separation; DTOs vs Entities; Bean Validation: @Valid, @NotNull, @Size, custom validators; MapStruct overview

2.5h

Sunday

0 / 3 done

DSA Full revision

redo 3 string-algorithm problems cold

1.5h

AI/ML Advanced Chunking & Re-ranking Lab (4.0h)

Implement cross-encoder re-ranking (Cohere / BGE-Reranker) and contextual chunking to boost RAG precision.

4.0h

JAVA Global Exception Handling & API Envelope

@ControllerAdvice, @ExceptionHandler, consistent API error envelope, proper HTTP status codes (200, 201, 204, 400, 404, 409, 500); refactor Todo API into clean layers on GitHub

2.5h

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Week 32 Technical Notes & Journal

#LeetCode #Java #DSA #Week32