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Functional options for friendly APIs
What follows is the text of my presentation, Functional options for friendly APIs that I gave at dotGo this year. It has been edited slightly for readability.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 230 posts.
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Go Concurrency Patterns: Pipelines and cancellation
How to use Go's concurrency to build data-processing pipelines.
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Why Python Is Slow: Looking Under the Hood
When I teach courses on Python for scientific computing, I make this point very early in the course, and tell the students why: it boils down to Python being a dynamically typed, interpreted language, where values are stored not in dense buffers but in scattered objects. And then I talk about how to get around this by…
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Thoughts on Martini – Introducing Negroni
Originally published on CodeGangsta on May 19, 2014. Restored here to preserve the legacy Martini/Golang archive. It’s never easy to take honest criticism, especially when the target of the criticism…
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Distributed systems for fun and profit (free ebook)
git , Single page HTML , Kindle .mobi , PDF , .epub , HTML for printing , book cover .
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bliki: Bounded Context
Don't try to build a single, unified model for a large domain. Instead DDD advises us to divide such a domain into many bounded contexts with explicit relationships between them.
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Comparing Floating Point Numbers, 2012 Edition
This post is a more carefully thought out and peer reviewed version of a floating-point comparison article I wrote many years ago. This one gives solid advice and some surprising observations about…
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Code: It’s Trivial
Remember that Stack Overflow thing we’ve been working on? Some commenters on a recent Hacker News article questioned the pricing of Stack Exchange – essentially, a hosted Stack Overflow: Seems really pricey for a relatively simple software like this. Someone write an open source alternative? it looks like something…
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Open-sourcing Haxl, a library for Haskell
Visit the post for more.
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IntelliJ IDEA 14 Released
Discover IntelliJ IDEA 2026.3 with JetBrains Air, Java and Kotlin for Cursor and VS Code, the Hibernate debugger, Git worktrees, cross-database queries, DuckDB, any LSP server, a libghostty terminal, and Java 28.
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The Performance Cost of Integer Overflow Checking
How much overhead should we expect from enabling integer overflow checks? Using a compiler flag or built-in intrinsics, we should be able to do the check with a conditional branch that branches based on the overflow flag that add and sub set. Code that looks like
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How Protothreads Really Work
What goes on behind the magical macros in the C protothreads library? Why are they macros? How do the macros work? Read on for the explanation.
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Performance is a Feature
We’ve always put a heavy emphasis on performance at Stack Overflow and Stack Exchange. Not just because we’re performance wonks (guilty!), but because we think speed is a competitive advantage. There’s plenty of experimental data proving that the slower your website loads and displays, the less people
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The Rule of Three
Every programmer ever born thinks whatever idea just popped out of their head into their editor is the most generalized, most flexible, most one-size-fits all solution that has ever been conceived. We think we’ve built software that is a general purpose solution to some set of problems,
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OCaml: what you gain
Way back in June, in Replacing Python: second round, I wrote: The big surprise for me in these tests was how little you lose going from Python to …
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How to design an elliptic-curve signature system
Earlier this month a new paper by Naomi Benger, Joop van de Pol, Nigel Smart, and Yuval Yarom hit the news . The paper explains how to recover secret keys from OpenSSL's implementation of ECDSA-secp256k1 using timing information from "as little as 200 signatures"; ECDSA-secp256k1 is the signature system used by…
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Object Oriented Programming is an expensive disaster which must end
Zet Casino 2026: tysiące gier, bonus powitalny, wpłaty BLIK i krypto, wypłaty w minutach oraz polskie wsparcie 24/7. Sprawdź naszą ofertę.
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ASCII Delimited Text – Not CSV or TAB delimited text
ASCII delimited text solves the problems exporting and importing structured text files and is part of the design of the character set. Unfortunately a lot of people and systems use CSV and other pr…
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Queues Don't Fix Overload
People misuse queues all the time. The most egregious case being to fix issues with slow apps, and consequently, with overload. But to say why, I'll need to take bits of talks and texts I have around the place, and content that I have written in more details about in Erlang in Anger .