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Is TDD Dead? (2014)
A series of conversations between Kent Beck, David Heinemeier Hansson, and Martin Fowler. We discuss Test-Driven Development (TDD) and its impact upon software design.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 14,537 posts.
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Always Be Coding – How to Land an Engineering Job
How to Land an Engineering Job.
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2 years with Angular
AI fair value $183 vs ask $100 — fse.guru looks under-priced for a ultra-short .guru.
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95th percentile isn't that hard to reach
Reaching 95%-ile isn't very impressive because it's not that hard to do. I think this is one of my most ridiculable ideas. It doesn't help that, when stated nakedly, that sounds elitist. But I think it's just the opposite: most people can become (relatively) good at most things.
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GitHub Actions has a package manager, and it might be the worst
GitHub Actions has a package manager that ignores decades of supply chain security best practices: no lockfile, no integrity verification, no transitive pinning
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What every programmer should know about time
This is a trade-off: you can't represent a leap second, and your time is guaranteed to go backwards. On the other hand, every day has exactly 86,400 seconds, and you don't need a table of all previous and future leap seconds in order to format Unix time as human-preferred hours-minutes-seconds.
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Thoughts on Rust bloat
I’m about to accept a PR that will increase druid’s compile time about 3x and its executable size almost 2x. In this case, I think the tradeoff is worth it (without localization, a GUI toolkit is strictly a toy), but the bloat makes me unhappy and I think there is room for improvement in the Rust ecosystem.
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How to start a Go project in 2023
I previously wrote about starting a Go project in 2018. A lot has changed since I wrote that and I had been wanting to write an updated version. What follows should be enough for anyone new to Go to …
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PyTorch Internals: Ezyang's Blog
This post is a long form essay version of a talk about PyTorch internals, that I gave at the PyTorch NYC meetup on May 14, 2019.
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Ruby: A great language for shell scripts
It’s more than rails!
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Falsehoods programmers believe about Unix time
It's not quite the number of seconds since 1 January 1970.
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Things I have learnt as the software engineering lead of a multinational
A surprisingly long cycle has just closed for me and I think it’s a good time to share some lessons learned. I have been collecting these points in the last six months, but none of them poppe…
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Using tmux properly
In the beginning, it was just me and the (plain) terminal. Then I started using Byobu, because it was company-standard at my first job. Later I installed tmux on my personal computer because it seemed more popular. And every time I work on a remote server, I use Screen. Lions and tigers and bears, oh my!
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Someone’s Been Messing with My Subnormals
TL;DR: After noticing an annoying warning, I went on an absurd yak shave, and discovered that because of a tiny handful of Python packages b...
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The eigenvector of “Why we moved from language X to language Y”
I was reading yet another blog post titled "Why our team moved from <language X> to <language Y> (I forgot which one) and I started wondering if you can generalize it a bit. Is it possible to generate a N * N contingency table of moving from language X to language Y?
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Give Django your time and money, not your tokens
The Django community wants to collaborate with you, not a facade of you.
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Rust for Python Programmers
Are you a Python programmer and interested in Rust? This article goes over the basics of making the jump.
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Performance comparison: counting words in Python, Go, C++, C, Awk, Forth, Rust
Performance comparison of counting and sorting word frequencies in various languages (Python, Go, C++, C, AWK, Forth, and Rust)
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Tags to make HTML work like you expect
I was watching Alex Petros’ talk and he has a slide in there titled “Incantations that make HTML work correctly”. This got me thinking about the basic snippets…
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Developer and Power Users Tool List for Windows
Can you believe it's been 6 years since my last Tools list? Tools have changed, ...
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Accidentally Load Bearing
Sometimes people will talk about Chesterton's Fence, the idea that if you want to change something—removing an apparently useless fence—you should first determine why it was set up that way: The gate or fence did not grow there. It was not set up by somnambulists who built it in their sleep. It is highly…
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Designing a SIMD Algorithm from Scratch
Another explainer on a fun, esoteric topic: optimizing code with SIMD (single instruction multiple data, also sometimes called vectorization ). Designing a good, fast, portable SIMD algorithm is not a simple matter and requires thinking a little bit like a circuit designer.
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Distributed architecture concepts I learned when building a large payment system
When building a large scale, highly available and distributed system, what architecture concepts do you need to use, in practice? In this post, I am summarizing ones I have found essential to learn and apply when building the payments system that powers Uber. This is a system with a load
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Go best practices, six years in
Generally good things to do when writing Go code, in 2016 and beyond.
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HTML Web Components
I think the word “component” in “web components” confused a lot of people — at least it did me. “Web components” sounded like the web platform’s equivalent to…
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Why's (Poignant) Guide to Ruby (2004)
Pretend that you’ve opened this book (although you probably have opened this book), just to find a huge onion right in the middle crease of the book. (The manufacturer of the book has included the onion at my request.)
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