Engineer’s Codex

How Fireship became YouTube's favorite programmer

How Fireship wins YouTube

Oct 9

32

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How Fireship became YouTube's favorite programmer

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September 2024

The Boolean Trap

Use enums instead

Sep 5

72

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The Boolean Trap

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July 2024

Good programmers worry about data structures and their relationships

Wisdom from Linus Torvalds, the creator of Git and Linux

Jul 8

129

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Good programmers worry about data structures and their relationships

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April 2024

4 Software Design Principles I Learned the Hard Way

If there’s two sources of truth, one is probably wrong. And yes, please repeat yourself.

Apr 22

124

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4 Software Design Principles I Learned the Hard Way

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February 2024

Meta's new LLM-based test generator is a sneak peek to the future of development

Meta's TestGen-LLM is a sneak peek to the future of developer productivity: specialized, orchestrated, and rigorously filtered.

Feb 23

51

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Meta's new LLM-based test generator is a sneak peek to the future of development

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January 2024

How Apple built iCloud to store billions of databases

Apple uses Cassandra and FoundationDB for CloudKit, their cloud backend service. We take a look into how exactly each is used within their cloud and the…

Jan 14

109

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How Apple built iCloud to store billions of databases

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December 2023

A simple programming productivity trick: leave work unfinished to reach flow

A breakdown of 4 simple software engineering and coding habits that improved my productivity. These include keyboard shortcuts, learning to say no…

Dec 15, 2023

92

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A simple programming productivity trick: leave work unfinished to reach flow

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How Google takes the pain out of code reviews, with 97% dev satisfaction

A study of Google's code review tooling (Critique), AI-powered improvements, and recent statistics

Dec 4, 2023

139

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How Google takes the pain out of code reviews, with 97% dev satisfaction

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November 2023

Clever code is probably the worst code you could write

And clear, readable code is probably the hardest code to write

Nov 20, 2023

75

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Clever code is probably the worst code you could write

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How one line of code caused a $60 million loss

60,000 people lost full phone service, half of AT&T's network was down, and 500 airline flights were delayed

Nov 13, 2023

66

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How one line of code caused a $60 million loss

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October 2023

The most valuable trait of great software engineers

A mindset shift that changed the way I approach software development. The #1 trait of valuable software engineers.

Oct 27, 2023

72

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The most valuable trait of great software engineers

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Meta's serverless platform processes trillions of function calls a day

XFaaS is Meta's private platform for "Hyperscale and Low Cost Serverless Functions." It is more efficient than AWS Lambda, Azure Functions, and Google…

Oct 22, 2023

53

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Meta's serverless platform processes trillions of function calls a day

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