https://sudonull.com/clickhouse-aggregate-functions-uniqhll12-quantiletdigest-topk
uniqHLL12 for fast unique users, quantileTDigest for distributions, groupArray, topK, -If combinators. Examples of GGR, cohorts, retention.
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In this project
https://sudonull.com/fan-out-fan-in-in-go-pattern-for-parallel-data-processing
Detailed breakdown of the Fan-Out/Fan-In pattern in Go. Learn how to distribute tasks among goroutines and aggregate results. Code examples and best practices.
https://sudonull.com/ddd-in-go-how-to-avoid-errors-with-exchange-rates-in-payments
We analyze a real case of applying DDD in a payment system on Go. How fixing the exchange rate in the aggregate closed critical bugs. Read the team's experience.
https://sudonull.com/ddd-in-asp-net-scalability-issues-after-30-aggregates
Breaking down why classic DDD with EF Core slows down in projects with 30+ aggregates: heavy queries, specifications, transactions. Hybrid approaches for optimization. Learn how to speed up development.
https://sudonull.com/remove-one-analysis-for-kpi-breakdown-of-event-contributions
Learn how to decompose aggregated KPI into contributions of individual procurements using remove-one. Fixing mode, metric nonlinearity. For analysts and developers. Read details.
From other projects
https://lrivo.com/psg-beat-liverpool-4-0-on-aggregate-in-champions-league-quarter-final
Ousmane Dembélé scores twice as PSG end Liverpool's Champions League hopes. Read analysis of the key moments and controversial decisions from Anfield.
https://lrivo.com/psg-ends-liverpool-s-champions-league-run-at-anfield-match-analysis
PSG advances past Liverpool 4-0 on aggregate despite Anfield atmosphere. Analysis of key moments, injuries, and what's next for both clubs. Read our breakdown.
https://lrivo.com/atle-tico-beat-barcelona-in-champions-league-thriller-to-reach-semis
Atlético Madrid survive Barcelona comeback with 3-2 aggregate win. Read how Lookman's goal and García's red card decided this Champions League classic.
https://ymaho.com/1inch-explained-smarter-crypto-swaps-for-everyone
Learn how 1inch aggregates DeFi liquidity to save you time and money on crypto trades. No jargon, just plain English. See why it's vital infrastructure.
https://ymaho.com/dex-trading-models-explained-amm-vs-aggregator-vs-batch
Learn how Uniswap, 1inch, and CoW Protocol handle crypto trades differently. Discover which model protects your price and saves fees.
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