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#tutorial

Tutorial is a general purpose tag. We welcome all types of tutorial - code related or not! It's all about learning, and using tutorials to teach others!

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Background Services in .NET — IHostedService and BackgroundService Explained

Background Services in .NET — IHostedService and BackgroundService Explained

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3 min read
Mastering Binary Search on Answer: The Book Allocation Problem

Mastering Binary Search on Answer: The Book Allocation Problem

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3 min read
How to Choose the Right GPU for Local LLMs (Without Wasting Money)

How to Choose the Right GPU for Local LLMs (Without Wasting Money)

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2 min read
How to cut your AWS bill by 15–45% without touching your architecture

How to cut your AWS bill by 15–45% without touching your architecture

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2 min read
The CAP Theorem Question Every Senior System Design Interview Asks

The CAP Theorem Question Every Senior System Design Interview Asks

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7 min read
Twitter's Fanout Strategy at Scale: The Trade-Off Most Designs Miss

Twitter's Fanout Strategy at Scale: The Trade-Off Most Designs Miss

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9 min read
The Replication Lag Question That Shows Up in Most Senior Interviews

The Replication Lag Question That Shows Up in Most Senior Interviews

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7 min read
How to Design Uber's Dispatch System (and Why H3 Beat Geohash)

How to Design Uber's Dispatch System (and Why H3 Beat Geohash)

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7 min read
Designing a Notification System That Survives 10x Traffic Spikes

Designing a Notification System That Survives 10x Traffic Spikes

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8 min read
Designing a Web Crawler That Scales to 1 Billion Pages a Day

Designing a Web Crawler That Scales to 1 Billion Pages a Day

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7 min read
Why Your Caching Strategy Probably Has the Same 4 Holes

Why Your Caching Strategy Probably Has the Same 4 Holes

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7 min read
Designing a Rate Limiter: 4 Algorithms, Real Trade-Offs

Designing a Rate Limiter: 4 Algorithms, Real Trade-Offs

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8 min read
Netflix's Recommendation Pipeline Without ML First

Netflix's Recommendation Pipeline Without ML First

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7 min read
URL Shortener Design: The Capacity Math 90% of Candidates Get Wrong

URL Shortener Design: The Capacity Math 90% of Candidates Get Wrong

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7 min read
Designing WhatsApp's Typing Indicator: The Question That Tests Your Real-Time Skills

Designing WhatsApp's Typing Indicator: The Question That Tests Your Real-Time Skills

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8 min read
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