1711
What happens when you shift a register by more than the register size?
A comparative study of processor architectures.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,733 posts.
1712
When should you use the IN instead of the OR operator in Postgres?
Query performance often varies depending on how you write queries. For PostgreSQL, what provides better performance? The IN or OR operator?
1713
File Locks on Linux
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
1714
Webhook Failure Scenarios
<p>A webhooks allow two applications to communicate events. It is relatively simple to get started using webhooks using HTTP and JSON. However, there a number of failure scenarios that developers should be aware of in order to make their webhook implementation robust.</p>
1715
Structuring Your Infrastructure as Code
If you’re thinking of migrating to another infrastructure as code tool (and why would you, everything is great in the IaC world now, right?!) you might find yourself asking yourself
1716
GameRoy: JIT Compilation in High-Accuracy Game Boy Emulation
Over the past two years, I have spent a lot of time working on my Game Boy emulator, GameRoy. It has reached a good point, where it has a GUI interface (including a debugger and disassembler) and passes numerous tests (comparable to some of the most accurate emulators). I even made a port to Android!
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1718
Reducing Go execution tracer overhead with frame pointer unwinding
The Go Execution Tracer (aka runtime/trace) was designed to achieve low enough overhead to be usable on “a server in production serving live traffic”. This is achieved by writing events into per-P buffers, using RDTSC for timestamps, and encoding into a relatively efficient binary format.
1719
How to Ask Questions the Smart Way (2014)
Translations: Brazilo-Portuguese Chinese (Traditional) Czech Dutch Estonian French Georgian German Greek Hindi Hungarian Indonesion Japanese Lithuanian Polish Portuguese Russian Spanish Ukrainian Uzbek If you want to copy, mirror, translate, or excerpt this document, please see my copying policy .
1720
MacPaint and QuickDraw 1984 source code (2010)
The Apple Macintosh combined brilliant design in hardware and in software. The drawing program MacPaint, which was released with the computer in January of 1984, was an example of that brilliance both in what it did, and in how it was implemented.
1721
Clojure Rationale (2008)
Customers and stakeholders have substantial investments in, and are comfortable with the performance, security and stability of, industry-standard platforms like the JVM. While Java developers may envy the succinctness, flexibility and productivity of dynamic languages, they have concerns about running on…
1722
Bracketed paste mode (2013)
One of the least well known, and therefore least used, features of many terminal emulators is bracketed paste mode . When you are in bracketed paste mode and you paste into your terminal the content will be wrapped by the sequences \e[200~ and \e[201~ .
1723
Mixing Swift and C++
Swift is a general-purpose programming language built using a modern approach to safety, performance, and software design patterns.
1724
Pipeworld: Spreadsheet Dataflow Computing (2021)
Now for something completely different. In the spiritual vein of One Night in Rio: Vacation photos from Plan9 and AWK for multimedia, here is a tool that is the link that ties almost all the projec…
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JEP 454: Foreign Function and Memory API
Introduce an API by which Java programs can interoperate with code and data outside of the Java runtime. By efficiently invoking foreign functions (i.e., code outside the JVM), and by safely accessing foreign memory (i.e., memory not managed by the JVM), the API enables Java programs to call native libraries and…
1727
The story of ispc: origins (part 1) (2018)
This one time, at Intel, I wrote a compiler...
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If is Evil when used in location context (2015)
Learn how to deliver, manage, and protect your applications using F5 NGINX products.
1731
RLHF: Reinforcement Learning from Human Feedback
[LinkedIn discussion, Twitter thread]
1732
The Story of Mel
This was posted to USENET by its author, Ed Nather (utastro!nather), on May 21, 1983.
1733
Elastic tabstops
Elastic tabstops - a better way to indent and align code