Specify the order of execution of operators in this SQL query.
Senior
147
Machine Learning / AI
3697
0
Can we use the same metrics when measuring quality by top-K and the metric asked from the user (like/dislike)? Or are these different things?
Senior
146
Are you considering only the ML engineer position or also Data Scientist?
Middle
146
If we have tools or MCP — how does LLM invoke them?
Middle
146
What difficulties arise when using Word2Vec and NLTK for the Russian language?
Middle
146
The dialog table contains 80 million messages, and the analytical query for the assessment set takes 25 minutes and sometimes returns duplicate question-answer pairs. What would you fix first and why?
Senior
145
For question generation, a large language model poorly maintains style on rare topics. The AI assistant suggests immediately launching LoRA on the entire historical corpus of 2 million dialogues, but the annotation is partially noisy. Where would you not trust this advice and what would you choose first?
Senior
145
What is the difference between GET and POST requests?
Middle+
145
In general, how does ChatGPT differ from an internal company assistant (chatbot vs. assistant)?
Senior
145
Tell about your projects: what exactly did you do personally, in detail technically?
Senior
145
What gradient boosting tools have you worked with? CatBoost, LightGBM, XGBoost?
Middle
144
How to approach aligning a single word by phonemes? How to use wav2vec2 to obtain accurate phoneme boundaries?
Senior
143
How to deal with the problem of increasing context when actively engaging in a dialogue with a user?
Senior
143
What are the main differences between machine learning and deep learning?
Middle
143
Why does structured output always produce valid JSON? At what level is this implemented?
Middle+
142
How many features will you take from the feature store and how will you select them if all 5000 features are valid and without leaks?
Middle
142
What inspires you in your work?
Senior
142
What happens if you input a sequence of 10k tokens to a decoder, but the model was trained on 9k?
Middle+
142
How are agents routed? Give an example of switching conditions.
Middle+
141
What will happen to the model quality if the first and last trees are removed in a random forest and gradient boosting?
Senior
141