How do you approach solving an SQL problem?
Middle
232
Machine Learning / AI
3636
0
What is test-time augmentation (TTA)?
Junior — Senior
232
What is a garbage collector and how does it work in Python?
Middle
232
Why and when to use graphics cards?
Middle
232
How to calculate the perplexity of a language model? What are its properties?
Junior — Middle
232
What is mediation analysis?
Senior
232
Do you have any questions about the cooperation terms?
Senior
231
On an imbalanced dataset, the model has recall 100% and precision 1%. What happened?
Middle
231
What is LLaVA and how is it structured?
Senior
231
Tell me about hybrid retrieval in RAG — which model did you choose for dense vectors?
Middle+
231
Why can model weights become large and why is it necessary to reduce them with regularization?
231
What is redaction and tokenization of PII in datasets?
231
What are DVC and Git LFS for data versioning?
Middle — Senior
231
How to choose between multithreading, multiprocessing, and asyncio for downloading a large number of files in Python?
Middle
231
How to handle rare hieroglyphic characters and emojis in the tokenizer?
Junior — Middle
231
Task: there are 100 coins, one is dishonest (heads on both sides). When flipped, heads appear — find the probability that the coin is dishonest.
Middle
231
What are contextual bandits?
Middle — Senior
231
231
231
Explain the scaled dot-product attention formula. Why divide by sqrt(d_k)?
Middle — Senior
231