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Django Async: What's new and what's next?
With Django 3.1, you can put async code in production if you don’t have to do heavy-lifting with some parts of Django that don’t support async yet.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 514 posts.
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Snap! 6 is here, and it's all about scale
The Snap! Community. Snap! is a blocks-based programming language built by UC Berkeley and used by hundreds of thousands of programmers around the world.
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Keeping your Go modules compatible
How to keep your modules compatible with prior minor/patch versions.
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The Problem with Git Flow
Learn why Git flow complicates the lifecycle and discover an alternative to streamline development.
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Spark joy by running fewer tests
Developers write tests to ensure correctness and allow future changes to be made safely. However, as the number of features grows, so does the number of tests. Tests are a double-edged sword. On one hand, well-written ones catch bugs and maintain a program’s stability, but as the code base grows, a high number of…
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Speeding up a Git monorepo
We migrated from Mercurial to Git in 2014 to improve local performance and began consolidating our repositories that hosted our backend code. But as this monorepo grew, we experienced Git performance issues that grew linearly with the number of files we added. Inconveniently, this problem was the most severe on…
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On the Performance of User-Mode Threads and Coroutines
Discussions of coroutines and user-mode threads — like Project Loom's virtual threads or Go's goroutines — frequently turn to the subject of performance. The question I'll try answering here is, how do user-mode threads offer better application performance than OS threads?
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API design is stuck in the past
The industry has embraced statically typed languages, but API design remains twenty years in the past. Schema driven development presents an opportunity to pull API design into the present.
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Good coders borrow, great coders steal
Copying and pasting can be dangerous, but then again, so can many aspects of software development when done incautiously. In this post, I’ll take a look at what code copying actually means for software development, what good code theft means, and the pitfalls of copying badly.
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Emacs Survey 2020 Results
Emacs User Survey 2020 Results
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Foreign data wrappers: PostgreSQL's secret weapon?
EnterpriseDB (“EDB”), the leader in accelerating Postgres® in the enterprise, today announced its acquisition of Splitgraph, an early-stage disruptor that provides a Postgres compatible serverless SQL API for building data driven applications from hundreds of datasources. This move is seen as a meaningful step in…
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Debunking that C++ is faster and safer than Rust
Spoiler: C++ isn′t faster or slower — that′s not the point, actually. This article continues our good tradition of busting myths about the Rust language shared by some big-name Russian companies.
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Fighting Rust's Expressive Type System
Herein I share an experienced developer's first foray into a real-world Rust project. It focuses closely on the type system, and the key insights I needed to begin "thinking in Rust". Written for those getting to grips with the language, it will be especially useful if your background isn't functional programming.
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Developing Multitile Creatures in Roguelikes
Describing technical and design issues associated with having creatures that occupy multiple cells in the grid-based world of a roguelike, with solutions.
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Programming at the REPL (2018)
Clojure REPLs are used for a broad spectrum of purposes, from learning the language to data exploration to live music performance. This chapter will provide some guiding principles for applying Clojure REPLs to the more common use case of pragmatic software development.
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Engineering Dropbox Transfer: Making simple even simpler
One of the challenges of application engineering within an established company like Dropbox is to break out of the cycle of incremental improvements and look at a problem fresh. Our colleagues who do user research help by regularly reminding us of the customer’s perspective, but so can our friends and family when they…
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Dolphin Progress Report: December 2019 and January 2020
The Progress Report has come and with it some major changes and decisions. However, before we get into new things, we need to go over an ongoing change as we've seen some users struggling. In the last progress report, we updated our project solutions to Microsoft Visual Studio C++ 2019. We thought there would be no…
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Getting Hands-on with io_uring using Go
In Linux, system calls (syscalls) are at the heart of everything. They are the primary interface through which an application interacts with the kernel.
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Taking PHP Seriously (2016)
Slack uses PHP for most of its server-side application logic, which is an unusual choice these days. Why did we choose to build a new project in this language? Should you? Most programmers who have only casually used PHP know two things about it: that it is a bad language, which they would never use if…
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Speculation in JavaScriptCore
This post is all about speculative compilation, or just speculation for short, in the context of the JavaScriptCore virtual machine.
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