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Why can't you reverse a string with a flag emoji?
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Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,833 posts.
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An unexpected benefit of unit tests
While I won’t go so far as to diagnose myself with ADD without consulting a doctor, those who know me know I can be distracted quite easily. So recently, I decided to do something a little different with a personal project I started a few weeks ago (link to come). I wrote unit tests. That may seem rather uninspired…
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The simplicity of single-file Golang deployments
Deploy Go apps as single static binaries with systemd. No Docker, no npm, zero-downtime via socket activation. Modern complexity is often unnecessary.
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Borrow Checking, RC, GC, and the Eleven () Other Memory Safety Approaches
Zeke: "Wait, so with generational references, we now have four ways to do memory safety?"
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If monads are the solution, what is the problem?
Monads have exerted a curious fascination on programmers who turn to Haskell. The incomprehension of the newbies is matched in intensity onl...
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MVC Isn’t MVC
In December of 1979 Tyrgve Reenskaug, an employee of Xerox PARC, published a paper called MODELS-VIEWS-CONTROLLERS about a design pattern he had invented for developing applications with a graphica…
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Kubernetes is hard
Recently, 37signals unveiled mrsk , a tool developed internally to ease with deployments of their services and an accompanying blog post which sparked a lengthy discussion on Hacker News .
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Java sealed classes and exhaustive pattern matching
Java 17 introduced sealed classes, which allow you to explicitly list the allowed sub-types of an interface or base class. For example, here’s a toy example using a sealed interface and records (in…
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Norris Numbers – Walls you hit in program size (2014)
My friend Clift Norris has identified a fundamental constant that I call Norris’ number, the average amount of code an untrained programmer can write before he or she hits a wall. Clift estimates this as 1,500 lines. Beyond that the code becomes so tangled that the author cannot debug or modify it without herculean…
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Ape Coding [fiction]
Ape coding is the software development practice where a human developer deliberately hand-writes source code.
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Parallel coding agents with tmux and Markdown specs
A practical workflow for running 4–8 parallel coding agents using Claude Code, tmux, and a Markdown-based feature design system.
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Understand Go pointers
This post is for programmers coming to Go who are unfamiliar with the idea of pointers or a pointer type in Go.
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Why critics of Rails have it all wrong (and Ruby's bright multicore future)
Edit: Contrary to what I said here, José Valim is not stepping down from Rails core, he is merely on sabbatical. My bad. Lately I've been ...
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Every modeler is supposed to be a great Python programmer
This post is by Phil Price, not Andrew. I’ve had a run of luck ever since I left my staff scientist position at Lawrence Berkeley Laboratory to become a freelance consultant doing statistical modeling and forecasting, mostly related to electricity consumption and prices: just as I finished a contract, another one…
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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.
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Eurydice: a Rust to C compiler
Perhaps the greatest surprise of the last two years was, for me, the realization that people not only care about compiling C to Rust (for obvious reasons, such as, ahem, memory safety) – they also care about compiling Rust to C! Wait, what?
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When deployments are easy, code becomes simpler
You bump into DORA in the wild a lot.
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Nim in 2020: A Short Recap
A lot has happened in the Nim world in 2020: two new major releases, two new memory managements strategies (ARC and ORC), the first Nim conference, and much more.
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Stripe's Knowledge AI Platform
Stripe's Knowledge AI Platform is our versatile AI agent platform built to handle diverse non-coding knowledge work, from quick queries to complex, multi-day projects. By connecting employees to over 1,000 internal tools and skills, it enables secure, enterprise-scale productivity across the organization.
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The story of the first “computer bug” is a pile of lies
A fun, endearing, delightful pile of lies.
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Is the doc bot docs, or not?
What are we even doing here??
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Official Go support
Go library for the Stripe API. . Contribute to stripe/stripe-go development by creating an account on GitHub.
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My favorite principle for code quality
The Embedded Design principle, Jimmy Koppel's favorite principle for code quality, shown via caching code that looks fine but invites bugs.
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Thirty Years Ago: MS-DOS 6.00
A retrospective on MS-DOS 6.00 and my small contributions to the product.
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Django 1.7 RC1
Posted by James Bennett on June 26, 2014