General
Blog
Practical technical articles and clear explanations.
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General
Data Compression Calculator
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General
Data Volume Calculator
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Finance Tools
FIRE number calculator
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Data Science
Why Knowing HashMaps Won’t Make You a Better Engineer?
A decision map for choosing data structures: when to index, partition, cache, stream or compress, and the real systems that use each one
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Data Science
Mental model for SQL queries
These are some ways of thinking about applying the fucntion to make the SQL query for a problem. 1. Looking Across Rows → look…
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Finance Tools
Break Even Calculator
Calculate your break-even point in units and revenue. Includes contribution margin, margin of safety and a visual chart.
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Finance Tools
Runway Calculator
Work out exactly how many months of cash you have left. Runway calculator with zero-cash date, net burn and scenarios for cutting spend.
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Artificial Intelligence
What LLM Engineers Actually Build?
Discover how LLM engineering transforms raw AI models into scalable, accurate enterprise systems using data pipelines, RAG, and optimization techniques.
