Latest Questions 214 total
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196How does a transformer model work?
A Transformer uses **self-attention** to process all tokens in a sequence simultaneously (unlike RNNs which process sequentially).
Key comp...
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197What is the difference between supervised and unsupervised learning?
**Supervised learning** — model learns from labelled data (input → output pairs)
- Examples: Linear regression, Random Forest, SVM
- Use...
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198What is LangChain and why is it used?
LangChain is a framework for building applications with Large Language Models (LLMs).
It provides:
- **Chains** — link multiple LLM calls...
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199What is the difference between == and is in Python?
**==** checks value equality — are the values the same?
**is** checks identity — are they the exact same object in memory?
```python
a ...
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200Explain list comprehension in Python with examples
List comprehension is a concise way to create lists.
```python
# Traditional way
squares = []
for x in range(10):
squares.append(x**2)
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201What is a Python decorator and how do you use it?
A decorator is a function that wraps another function to extend its behaviour without modifying it.
```python
def my_decorator(func):
d...
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202How does Python handle memory management?
Python uses automatic memory management through a private heap and a garbage collector.
1. **Reference counting** — every object tracks h...
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203What is the difference between a list and a tuple in Python?
Python is one of the most commonly asked Python basics interview questions.
A **list** is mutable (you can change its elements), while a **...
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204What is Vibe Coding, and how is it different from traditional software development?
I'm hearing the term "Vibe Coding" more frequently in AI and developer communities. It seems to involve building applications by describing ...
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205How can I improve my self-confidence?
Confidence plays a major role in personal and professional growth. What practical steps, habits, or experiences have helped you become more ...
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206What does success mean to you?
What does success mean to you? Share your thoughts, experiences, and the goals that motivate you to keep moving forward....
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207How can I improve my communication skills?
I want to improve my communication skills for interviews, presentations, and professional interactions. I often feel nervous while speaking ...
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209What is the difference between RAG and Fine-Tuning in AI?
I am learning Generative AI and often hear about Retrieval-Augmented Generation (RAG) and Fine-Tuning. Both seem to improve AI model respons...
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210What are the best free resources to learn Machine Learning in 2026?
I want to start learning Machine Learning but have a limited budget. What are the best free courses, YouTube channels, and books to learn ML...
