Data Science Tools
LLM temperature
See how temperature changes what an LLM writes. Move the slider to watch low temperature play safe and high temperature get creative.
Blog
Practical technical articles and clear explanations.
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Data Science Tools
Learning Cosine Similarity
Learn cosine similarity with an interactive vector tool: the formula, a worked example, and why search and RAG use it to compare text.
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Programming
Two Sum Problem
Try the Two Sum problem yourself. Step through the brute-force and hash map solutions and see why one is so much faster.
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Artificial Intelligence
Machine Learning Interactive System Designing
Design interactive machine learning systems with practical guidance on architecture, data, models, APIs, workflows, and deployment.
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Data Engineering
Interactive System Designing
Tick the features you need and watch a system design diagram build itself. A hands-on way to see how real systems fit together.
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Data Science Tools
Spark Executor Calculator
Size your Spark executors in seconds. Enter your nodes, cores and memory to get a sensible executor count, cores and memory.
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Finance Tools
SIP Calculator
See how a monthly SIP could grow. Enter your amount, expected return and years to see what you invest, what you gain and the…
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Artificial Intelligence
Monitoring LLM
Your LLM app can look healthy while giving wrong answers. Learn what to monitor: quality, hallucinations, latency, token cost and drift.
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Data Science Tools
Data Storage Cost Calculator
Estimate what your data will cost to store each month and year, so you can plan cloud storage budgets with fewer surprises.
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Data Science Tools
Data Compression Calculator
See how much space compression saves. Compare raw and compressed data sizes and plan your storage with real numbers.
