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Life, Learning & Writing

The most popular blog posts about life, learning & writing on Hacker News. 8,937 posts.

Any year
4475

Typing Is Hard

Type checking is the process of taking a given program in some programming language and working out whether all variables and expressions have the correct types, i.e. strings are assigned to strings, arithmetic expressions involve only numbers, etc. Some languages also offer type inference , tasking the compiler with…

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Read your code

Stop vibe-coding blindly! Why reading AI-generated code is crucial in 2025. Avoid security flaws, architectural decay, and knowledge loss when using Claude Code or any other tool.

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Wrap Up: Bicycle trip logistics

Now that the tour has ended, I want to share some concluding thoughts about the experience. My primary trip purpose was to learn more about urban planning in South America. I have a whole post worth of ideas on that. So, in this post, I’ll share everything that isn’t about urban planning! How did t

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College was my biggest mistake (2012)

When I turned 18, my parents expected me to go to college- it was the only option, the only way to be a successful adult. I’m a 2nd generation Italian. My mother and grandparents came over to America and bootstrapped themselves from nothing, so nee...

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The complexity of building a lie-down workstation

A couple of weeks ago, I started getting texts and emails from friends with an attachment to a blog post. A person named Paul had engineered and built himself a lay-down desk, wrote about his experience, and posted it on HN. Creating a lie-down desk is a big project in itself. To make even a static lie-down workstation