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Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,842 posts.
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Things I've learned about building CLI tools in Python
I build a lot of command-line tools in Python. It’s become my favorite way of quickly turning a piece of code into something I can use myself and package up …
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Dependent types and how to get rid of them
are-dependent-types-actually-erased - Chad Nauseam Home
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In C++, is empty() faster than comparing the size with zero?
Most C++ programmers rely on "STL" for their data structures. The most popular data structure is probably vector, which is just a dynamic array. The set and the map are other useful ones. The STL data structures are a minimalist design. You have relatively few methods. All of them allow you to compute the size ……
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Making 1M requests with Python-aiohttp
In this post I’d like to test limits of python aiohttp and check its performance in terms of requests per minute. Everyone knows that asynchronous code perf...
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Perl Startups: Lacuna Expanse
Lately while there's been discussions of various new (for varying definitions of 'new') companies who have chosen Perl, there's not been a huge amount of discussion about how they use Perl. I contacted JT Smith of Plain Black Corporation and he graciously agreed to talk about The Lacuna Expanse , a MMORPG with a Perl…
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Idiomatic Redux: Implementation and Intent
Thoughts on what Redux requires, how Redux is intended to be used, and what is possible with Redux
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C++26: The Oxford Variadic Comma
C++26 brings us a small but meaningful cleanup to the language: deprecating ellipsis parameters without a preceding comma. This change, proposed in P3176R1, aims to improve C compatibility, reduce confusion, and pave the way for future language features. The proposal’s name is a playful reference to the Oxford comma …
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Comparing JVM alternatives to JavaScript
I am mostly a backend developer, but every now and then I need to do some frontend work. Even if just for personal use.
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New PHP Vulnerability:?-s may expose source code for mod_cgi
PHP is a popular general-purpose scripting language that powers everything from your blog to the most popular websites in the world.
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Insecurities in the Linux /dev/random
New paper: “Security Analysis of Pseudo-Random Number Generators with Input: /dev/random is not Robust, by Yevgeniy Dodis, David Pointcheval, Sylvain Ruhault, Damien Vergnaud, and Daniel Wichs. Abstract: A pseudo-random number generator (PRNG) is a deterministic algorithm that produces numbers whose distribution is…
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Announcing the first release of batman.js
It gives us great pleasure to finally announce the release of batman.js to the JavaScript community today. This release represents the first code dump of something we’ve been working hard on at Shopify for a long time, so we’re very excited to get it into your hands and see what you do with it.
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Ruby 3 JIT can make Rails faster
I’ve wondered Why Rails becomes slow with JIT for a long time. Today, I’m pleased to share my answer to the question in this article, which…
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Understanding the Y Combinator
This article is about the Y combinator, a fixed-point combinator that provides a way of using recursion in scenarios and programming languages where symbols are not available. The concept of the Y combinator itself is closely related to lambda calculus (λ-calculus) and functional programming languages. More…
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React, JSX, and CoffeeScript
Tips on using React without JSX.
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Going Beyond Ada 2022
AdaCore is the leading provider of commercial software solutions for Ada, C and C++ — helping developers build safe and secure software that matters.
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Handling App Transport Security in iOS 9
The rollout of iOS 9 is expected to come this Fall and will introduce a new privacy feature called App Transport Security (ATS) to enforce ...
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Assembly Nights
Over the last three months, I’ve developed an unusual little nighttime routine: after reading bedtime stories to the kids, I hop into bed and instead of reaching for a fiction book, I’m turning on my 14-year old Asus eeePC 701 (wikipedia.org) miniature laptop and writing x86 assembly language. This is turning out to…
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Repurposing Hugo as a wiki
As part of a project that I’m working on, I decided to see if I could repurpose the excellent Hugo website framework (which also powers this very site) as a single-user wiki of sorts.
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Destructuring Assignment in ECMAScript 6
I have seen this question come up a few times, and unfortunately, people usually don't find an answer, give up, and don't test their source maps. However, testing source maps isn't too hard if you are using Node.js and the mozilla/source-map library. If you aren't using Node.js and the mozilla/source-map library, you…
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Don't fall in love with your technology
It's not about technology for its own sake. It's about being able to implement your ideas.
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APL Tutorial
Interested in learning about APL? Have you heard of this exciting language with strange characters and incredible brevity? Look no further, here you will find an introduction to the language, and even understanding from a historical perspective.
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Haskell as fast as C: working at a high altitude for low level performance
After the last post about high performance, high level programming, Slava Pestov, of Factor fame, wondered whether it was generally true that “if you want good performance you have to write C…