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What they don't teach you about sockets
In order to effectively write applications that communicate via sockets, there were some realizations I needed to make that weren't explicitly told to me by any of the documentation I read.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,551 posts.
152
An Algorithm for Passing Programming Interviews (2020)
Over the past few years, I’ve interviewed with a dozen or so companies and have completed ~50 or so individual algorithm problems. I’m frequently given feedback that I did a great job at the algorithms problem. In this post, I’m going to share how exactly I approach algorithm problems. Thought Process A guiding…
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Postman Now Supports gRPC
We are excited to announce first-class support for gRPC in Postman. Learn how to get started today.
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ChatGPT: Optimizing language models for dialogue
We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it possible for ChatGPT to answer followup questions, admit its mistakes, challenge incorrect premises, and reject inappropriate requests.
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Web automation: Don't use Selenium, use Playwright
For web automation/testing, Selenium has been the de facto "standard" since forever. It's simple to get started with and supports almost every programming language. My problem with it has been: It's good enough, but nothing more. It doesn't work that well with modern, Javascript framework heavy sites (Angular, React
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Crimes with Python's pattern matching
Let's make the CPython team regret adding pattern matching to Python!
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What's TypeScript compiling? Use a treemap to find out
Has TypeScript gotten slow for you? Run this one magic command to visualize what TypeScript is compiling, and maybe get to the root of the issue.
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I would like a job writing Haskell
From the highly eclectic blog of Mark Dominus
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What’s so great about functional programming anyway?
To hear some people talk about functional programming, you’d think they’d joined some kind of cult. They prattle on about how it’s changed the way they think about code. They’ll extol the benefits of purity, at length. And proclaim that they are now able to “reason about their code”—as if all other code is irrational…
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Bevy game engine 0.6
Thanks to 170 contributors, 623 pull requests, and our generous sponsors, I'm happy to announce the Bevy 0.6 release on crates.io! For those who don't…
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How did REST come to mean the opposite of REST?
In this article, Carson Gross explores how the term REST (Representational State Transfer) evolved to mean nearly the opposite of its original definition in modern web development. It traces how REST, originally defined by Roy Fielding to describe the web's architecture of hypermedia-driven interactions, came to be…
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Emacs 29 is nigh
Table of Contents Major features Eglot is now part of Emacs core Tree-Sitter is also part of Emacs core Install packages from source with package.el Org mode 9.6 use-package in Emacs core Pure GTK Emacs is here for Wayland! Compile EmacsLisp files ahead of time Native access to SQLite databases HaikuOS support New…
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New JSON query operators in SQLite 3.38.0
SQLite 3.38.0 introduced improvements to JSON query syntax using -> and ->> operators that are similar to PostgreSQL JSON functions. In this post we...
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Useless Use of "dd" (2015)
tl;dr: dd works for reading and writing disks, but it has no "low level I/O" capabilities that make it more suited for this than any other shell utility. Like cat you should use it where it makes sense, e.g. to take advantage of its wide array of options, rather than try to ensure that all disk related commands begin…
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The pocket guide to debugging
New zine: The Pocket Guide to Debugging
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WebGPU – All of the cores, none of the canvas
WebGPU is an upcoming Web API that gives you low-level, general-purpose access GPUs.
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Writing a Game Boy Emulator in OCaml
For the past few months, I have been working on a project called CAMLBOY, a Game Boy emulator that runs in the browser.
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Everything Is Broken: Shipping Rust-Minidump at Mozilla
We've been working on the development of rust-minidump. The first in this two-part series explains what minidumps are and how we made rust-minidump.
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New WebKit features in Safari 15.4
With over 70 additions to WebKit, Safari 15.4 is packed with new web technologies, updates, and fixes.
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EdgeDB 2.0
Today we're excited to announce the release of EdgeDB 2.0, the latest version of our graph-relational database.
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The collapse of complex software
In 1988, the anthropologist Joseph Tainter published a book called The Collapse of Complex Societies. In it, he described the rise and fall of great…
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Idiot Proof Git
Aliases, etc that have made rebase-based workflows in Git much less advanced feeling.
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Cut the cutesy errors
If your app has just ruined my day, I need help, not humour.
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Keyboard shortcuts for GNU Readline
Most command line programs that offer line editing -- like bash, Python, GDB, psql, sqlite and more -- do so using GNU readline. Readline's a powerful library that grants history, completion, movement and editing to programs that use it --- and a stable and consistent set of keyboard shortcuts. Shame, then, that even…
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Using GPT-3 to explain how code works
One of my favourite uses for the GPT-3 AI language model is generating explanations of how code works. It’s shockingly effective at this: its training set clearly include a vast …