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Software Engineering

The most popular blog posts about software engineering on Hacker News. 857 posts.

2013
641

MRI's Method Caches

One of MRI's big performance problems is that method cache expiry is global. That is, any time you make a change to any class anywhere, the entire VM's method caches get busted at the same time. This is why you'll frequently hear people saying that "calling Object#extend is bad".

645

How mitmproxy works

I started work on mitmproxy because I was frustrated with the available interception tools. I had a long list of minor complaints - they were insufficiently flexible, not programmable enough, mostly written in Java (a language I don't enjoy), and so forth. My most serious problem, though, was opacity. The best tools…

647

Real-Time Garbage Collection Is Real

Real-Time Garbage Collection (RTGC) tests the limits of what we typically think is possible in production software. You might hear “Real-Time” and “Garbage Collection” together and think “If you truly need real-time guarantees, why would you use a garbage collected language?” or “How is real-time Garbage Collection…

660

C and C++ Aren't Future Proof

My hope would be option 1 for application code (as opposed to the “systems code” that you have there): fewer and fewer people use these languages to write application code. Moreover, I think that’s probably happening to some extent.