Best of 2021

The blog posts Hacker News loved most in 2021. 3,497 posts.

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2555

gRPC Is Easy to Misconfigure

Google's gRPC is an RPC system that supports many languages, and is relatively widely used. I think its popularity is due to being used for parts of Docker and Kubernetes. I think gRPC is mostly fine, but it is surprisingly easy to screw up by misconfiguring it. Part of that is because RPC systems are challenging to…

2556

Tiny ELF Files: Revisited in 2021

Quick edit: While I work on a proper update, I'll note here that several posters on reddit and hackernews have pointed out ways to bring the total size of the program down to 105 bytes while still printing the full "Hello, world!" Much credit goes to Josh Triplett , who produced the 105-byte version which you can find…

2568

Imaging mounted disk volumes under duress

Backups are critical. If you are lucky and organised you have a set of useful backup primitives, such as Point in Time snapshots on your Infrastructure As A Service (IaaS), your disk array controller, or volume manager. However there always seems to be some critical machine in my life that does not fall into these…

2571

Open Decision-Making (2014)

In my experience as the founder and CEO of two startups I have had numerous opportunities to observe decisions being made: technical decisions about how to build products, personnel decisions about whom to hire, business decisions about how to market and sell our products, strategic decisions about company direction…

2575

Modern C++ for C Programmers (2018)

Welcome to part 1 of Modern C++ for C Programmers, please see the introduction for the goals and context of this series. In this part we start with C++ features that you can use to spice up your code ’line by line’, without immediately having to use all 1400 pages of ‘The C++ Programming Language’. Various code…