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How to Fix Slow Code in Ruby
How do we effectively find out why our application is slow? Even if we have a fix for the slow code, how can we prove that our new code is faster?
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,830 posts.
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WASIX, the Superset of WASI Supporting Threads, Processes and Sockets
Today we are very excited to launch a new initiative that will start shaping the future of WebAssembly on both the browser and the server. WASI was ann...
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Overview of Python dependency management tools
I briefly describe each tool (pip, venv, pip-tools, pyenv, conda, pipenv, poetry and Docker), why it’s created and the problems it’s tackling. You can find a table summarizing all the information and the usual setups people use.
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Git email flow vs. GitHub flow
Comparing the Github and Gitlab pull request workflow to the Git built-in email workflow.
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The Story of Haskell at IMVU
An interesting blog post and its corresponding comment thread on Hacker News made me realize that, while I'd told the story of Haskell at IMVU to many people, I'd never written it down. :)
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Are unsound type systems wrong?
This is an essay I wrote early-2016. After battling with soundness vs. usability in Typed Clojure for many years, I was starting to reconsider the “obviously wrong” approach of baking unsoundness into the type system from the get-go. I look at some historical examples of intentional unsoundness in type systems, and…
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Code reviews aren’t just for catching bugs
What are code reviews, and why are they such an important part of Fullstory's culture? Learn about this tradition, inspired by Google, and the five ways we think it benefits FullStorians.
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The Agentic AI Handbook: Production-Ready Patterns
A comprehensive guide to 113 production-informed patterns for building reliable AI agents.
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A perfectable programming language
At a party, Sydney Von Arx asked if I could name 40 programming languages. Yeah, that's the Bay for you. Racket, Agda, Clean, Elm, TypeScript, sh, ASP, Verilog, JavaScript, Scheme, Rust, Nim, INTERCAL, sed, Isabelle, Visual Basic, zsh, AlokScript, Coq, Idris, Hack, Prolog, Whitespace, PureScript, Go, Odin, Haskell…
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Riot.js – A 1kb client-side MVP framework
Le tecnologie in tempo reale stanno trasformando il digitale. Permettono interazioni immediate e autentiche🎯 Scopri come migliorano l'esperienza utente e favoriscono il coinvolgimento.
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Emac’s Org Mode will improve your software engineering
Your brain is chaos
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How JavaScript Works: deep dive into call, apply, and bind
PlaybookUX is an all-in-one software that allows you to recruit, conduct and analyze both qualitative and quantitative research, enhanced by AI.
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Elastic TabStops: A Better Way to Indent and Align Code (2017)
Elastic tabstops - a better way to indent and align code
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Some Notes 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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Introducing SourceTree for Windows – a free desktop client for Git
We’re thrilled to introduce the latest addition to the Atlassian distributed version control system (DVCS) family – Sourcetree for Windows. Sourcetree is a free Git desktop client for developers on Windows. Say goodbye to the command line and use the full capabilities of Git through Sourcetree’s beautifully simple…
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AWS Cloud9 – Cloud Developer Environments
One of the first things you learn when you start programming is that, just like any craftsperson, your tools matter. Notepad.exe isn’t going to cut it. A powerful editor and testing pipeline supercharge your productivity. I still remember learning to use Vim for the first time and being able to zip around systems and…
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The “Run Less Software” philosophy
We have developed a critical philosophy behind how we build software, and the tech stack we rely on. We call it Run Less Software.
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Making Pulled Pork with React Native, Expo, and Express
I was planning to make pulled pork the next day. That evening I set up the Weber kettle, got out the bag of charcoal and some chunks of apple wood, and laid everything out. Mise en place , as they say. I’d be waking up at 7am the next morning to light it up, and I didn’t trust my sleepy self to remember everything.
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MCP: An in-depth introduction
Understand the building blocks of the Model Context Protocol - tools, resources, prompts, transports, sampling, and roots - and how they fit together.
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Nbdev: A literate programming environment that democratizes best practices
Learn about nbdev, a new literate programming environment for Python.
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Zig 0.5.0 Release Notes
Zig is a general-purpose programming language designed for robustness , optimality , and maintainability . Zig is aggressively pursuing its goal of overthrowing C as the de facto language for system programming. Zig intends to be so practical that people find themselves using it, because it "just works".
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Fast base64 encoding and decoding
Computers store data as streams of bits. Binary files like image, audio or video files are allowed to contain just about any sequence of bits. However, we also often use text formats; for example, web pages and emails are required to be text. So how do we send images by email? How do we embed … Continue reading…