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The most popular blog posts about software engineering on Hacker News. 21,842 posts.

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15631

Modeling Redux with TLA+

Update 01/07/19 Greetings from 2019! The good news is that Chicago isn’t yet a radioactive crater. The bad news is almost everything I said about refinement in this article is wrong. I’m working on writing a more in-depth, rigorous treatment of refinement as its own article. But this one is currently explaining…

15633

Crafting Interpreters: Classes

One has no right to love or hate anything if one has not acquired a thorough knowledge of its nature. Great love springs from great knowledge of the beloved object, and if you know it but little you will be able to love it only a little or not at all.

15634

A systematic approach to debugging

I've got a reputation at work as being a skilled debugger. It's a frequent occurrence that the weird stuff lands on my desk [1] after it goes through another skilled engineer or two. To say my job is substantially "debug the weird shit" would not be an understatement and I'm here for it.

15650

Visualizing Your Ruby Heap

In a previous post, I wrote a bit about how Ruby objects are laid out in memory. Today we’ll use that information to write a program that will allow us to take a Ruby heap dump and visualize the layout and fragmentation of that heap. Ruby Object Layout Recap Just as a recap, Ruby objects are fixed width. That is…

15658

Let's Build a Compiler (1988)

This series of articles is a tutorial on the theory and practice of developing language parsers and compilers. Before we are finished, we will have covered every aspect of compiler construction, designed a new programming language, and built a working compiler.