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A LiveView Is a Process
A Phoenix LiveView is a Process, let's discuss what that means!
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 7,298 posts.
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Kotlin 1.1 Released with JavaScript Support, Coroutines and more
Members of our community have translated this blog post into several languages: Today we're releasing Kotlin 1.1. It is a big step forward that enables the use of Kotlin in many new scenarios, and
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MCP explained without hype or fluff
Model Context Protocol, like most protocols, solves the M ⨯ N integration problem by turning it into an M + N integration problem.
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NumPy 1.20
This NumPy release is the largest so made to date, some 684 PRs contributed by 184 people have been merged. See the list of highlights below for more details. The Python versions supported for this release are 3.7-3.9, support for Python 3.6 has been dropped. Highlights are
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Embedded Rules of Thumb (2018)
26 April 2018 by Phillip Johnston • Last updated 10 June 2021You may call them guidelines, heuristics, or rules of thumb. No matter, the purpose is the same: to provide a reasonable approximation of the truth. These rules of thumb can help guide your understanding of the systems you work on, focus you toward the ……
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Memory efficiency of parallel IO operations in Python
Python allows for several different approaches to parallel processing. The main issue with parallelism is knowing its limitations. We either want to parallelise IO operations or …
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Bit-twiddling optimizations in Zed's Rope
From the Zed Blog: In this episode of Zed Decoded, Thorsten and Antonio walk through the performance optimizations Antonio when working on Zed's Rope data structure before they then pair on adding more optimizations
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Recovering deleted files using grep
I was working on a server this morning and accidentally deleted an important configuration file. Like many Linux users, I lamented the absence of an “undelete” command.
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Understanding Recursive Queries in PostgreSQL
This article gives a simple introduction with examples to recursive queries in PostgreSQL. It also includes a comparison to Oracle recursive queries.
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Multi-Value All the Wasm
Multi-value is a proposed extension to core WebAssembly that enables functions to return many values, among other things. It is also a prerequisite for Wasm interface types. Nick Fitzgerald has ...
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OCaml Onboarding: Introduction to the Dune build system
Welcome to all Camleers We are back with another practical walkthrough for the newcomers of the OCaml ecosystem. We understand from the feedback we have gathered over the years that getting started with the OCaml Distribution can sometimes be perceived as challenging at first. That's why we keep it ...
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Waiting for Postgres 16: Cumulative I/O statistics with pg_stat_io
We talk about querying system wide I/O statistics in Postgres, show several use cases for pg_stat_io, and talk about the future of I/O observability in Postgres.
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Highlights from Git 2.23
Take a look at some of the new features in the latest Git release.
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How the kids stole the show: Young Coders tutorial at PyCon
Throughout the planning phases of PyCon 2013, for everything we did, we did it bigger than last year. Attendance? We raised the cap to 250...
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Anatomy of a SQL Engine
Blog for DoltHub, a website hosting databases made with Dolt, an open-source version-controlled SQL database with Git-like semantics.
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Experiment: The costs of slow build times
How much does it really cost to buy more powerful cloud compute resources for development work? A lot less than you think.
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Go’s Major Versioning Sucks – From a Fanboy
Learn Go (Golang) by writing real code in this interactive course. Practice structs, interfaces, errors, concurrency, and idiomatic backend patterns.
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Our software engineering interviews are changing a little
Over the last few years, LLMs have changed how software gets built and that’s no different for us at Jane Street. Most of our engineers now use them every da...
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We switched from Next.js to Astro (and why it might interest you)
Follow the first article of a series in which we'll try to summarize our journey with Astro, sharing many cool little tricks and details we found out (or totally came up with) in the process.
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GPT-5.6 Luna vs. GPT-6 Astra: Is a $1.20 Model Good Enough for Code Review?
Run a cheap model on every PR and escalate to a stronger one: on 50 PRs it found 120 verified bugs for $4.13 versus 108 for GPT-5.6 Sol alone.
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Writing code with multiple overlapping side effects with a straight face
Practical development throughout the evolution of Windows.
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Mercurial: Onward and upward
Automating releases, semantic version bumps, and API calls often involves configuring branch permissions and storing long-lived credentials in pipeline variables. Managing credential rotation adds an ongoing maintenance burden. Today, we’re introducing granular step-level permissions and container tokens in Bitbucket…