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Life, Learning & Writing

The most popular blog posts about life, learning & writing on Hacker News. 7,743 posts.

Any year
3904

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…

3907

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.

3908

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

3917

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...

3928

Onboarding to Elixir

I've worked with a number of clients on Elixir projects and I've onboarded myself, I've been onboarded and I've onboarded others. And compared to my experiences with PHP/Python/Javascript and my limited experience with C#/.Net I have experienced quite a difference.