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Problems with DSLs for non-programmers
DSLs are suggested to be an aid for the users that want to extend the programs they work with easily, but do they work?
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,357 posts.
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Why async fn in traits are hard
After reading boat’s excellent post on asynchronous destructors , I thought it might be a good idea to write some about async fn in traits. Support for async fn in traits is probably the single most common feature request that I hear about. It’s also one of the more complex topics. So I thought it’d be nice to do a…
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In defense of 'flicks' (or how I learned to stop worrying and love 705600000)
Essentially a flick is just a really big number, specifically the number 705,600,000 and tries to solve a problem that nobody in digital media actually has.
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CockroachDB 19.2
CockroachDB 19.2 improves latency, reliability, and usability. We’re bringing the speed of distributed transactions closer to the theoretical minimum.
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Amazon SageMaker Autopilot
Update September 30, 2021 – This post has been edited to remove broken links. Today, we’re extremely happy to launch Amazon SageMaker Autopilot to automatically create the best classification and regression machine learning models, while allowing full control and visibility. In 1959, Arthur Samuel defined machine…
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JVM Anatomy Quarks: Compressed References
"JVM Anatomy Quarks" is the on-going mini-post series, where every post is describing some elementary piece of knowledge about JVM. The name underlines the fact that the single post cannot be taken in isolation, and most pieces described here are going to readily interact with each other.
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Ruby Lazy Enumerators
Ruby provides support for lazy loading enumerators, allowing efficient processing of large or infinite sequences.
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How to build a distributed throttling system with Nginx, Lua, and Redis
At the last Globo.com’s hackathon, Lucas Costa and I built a simple Lua library to provide a distributed rate measurement system that depends on Redis and run embedded in Nginx but before we …
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Fun with compute shaders and fluid dynamics
Adrian Kummerländer's blog on software development, linux and open source
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Useful Postgres Extension: Pg_stat_statements
Inspired by a talk in the PostgreSQL devroom at FOSDEM, a post on the usefulness of the pg_stat_statements extension to Postgres and why every Postgres developer should have it in their toolbox. With sections on getting started, and how to extract insights with pg_stat_statements.
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Debugging WebAssembly outside of the browser
WebAssembly has begun to establish itself outside of the browser via dedicated runtimes like Mozilla’s Wasmtime and Fastly’s Lucet. While the promise of a new, universal format for programs is ...
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TypeScript 3.7: The Biggest Features and How to Use Them
The TypeScript 3.7 release is coming soon, and it's going to be a big one. The target release date is November 5th, and there's some seriously exciting...
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PostgreSQL Count(*) Performance Improvements
count(*) is often quite slow in PostgreSQL. This article explores how to count rows faster using approximations and other tricks.
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Write Fuzzable Code
“An obvious way to deal with embedded interpreters — which someone must have thought of and tried, but I don’t have any pointers — would be to have an API for teaching the fuzzer how to see coverage of the language being interpreted.”
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Eric's Guide to Hiring Software Developers
First of a two-part series on the best strategies for hiring humans in the 21st century. Fueled by both personal experience and the experience of countless mentors (and recruiters), this gigantic post is bursting at the seams with knowledge. Though specifically written by a CTO-type, the strategies are useful for…
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Procedural content generation: creating a universe (2015)
23114, 584, 46931, these three numbers were used to create the entire universe for Elite .
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Crystal 0.31
Crystal 0.31.0 has been released!
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Let's Build a Simple Interpreter. Part 14: Nested Scopes (2017)
Only dead fish go with the flow. As I promised in the last article, today we’re finally going to do a deep dive into the topic of scopes. This is what we’re going to learn today: We’re going to learn about scopes, why they are useful, and …
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C# 8: Switch expressions
COCOL88 merupakan juragan yang sangat terpercaya dalam lingkup permainan online gacoryang mempunyai skill keamanan yang sangat tinggi dan persentase kemenangan yang akurat dengan fitur RTP yang disediakan oleh situs COCOL88
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The Use of assert() in SQLite
The assert(X) macro is part of standard C , in the <assert.h> header file. SQLite adds three other assert()-like macros named NEVER(X), ALWAYS(X), and testcase(X).
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Avoiding “OR” for Better Query Performance
OR in the WHERE condition of a PostgreSQL database query is usually a cause of bad query performance. How to rewrite queries without OR.
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Using JSON Schema to Document, Test, and Debug APIs
Heroku has many public API endpoints. See how Heroku uses JSON Schema to test and document our Platform API–and how it helped us uncover an unexpected bug.
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Parallelism in Crystal
Crystal has made a huge step forward to have parallelism as a first class citizen. In short, you can set up the number of worker threads on runtime and each new fiber will be scheduled to run on one of them. Channel and select will work seamlessly. You are allowed to share memory between workers, but you will probably…