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Tools & Productivity

The most popular blog posts about tools & productivity on Hacker News. 521 posts.

2020
456

New hard drive rituals (2018)

Over the last 10 years that I've been messing around with Linux servers (hence the name of the site by the way) there's been one thing above all else that's always required special care - hard drives. They are mechanical beasts just waiting to eat your data at any time. Entire businesses are built around their…

460

Curl will now output JSON

This is not a command line option of the week post, but I feel a need to tell you a little about our brand new addition! --write-out [format] This option takes a format string in which there are a number of different "variables" available that let's a user output information from the previous transfer. For … Continue…

469

Measuring keyboard-to-photon latency with a light sensor

For a long time when I’ve wanted to test the latency of computers and UIs I’ve used the Is It Snappy app with my iPhone’s high speed camera to count frames between when I press a key and when the screen changes. However the problem with that is it takes a while to find the exact frames you want, which is annoying when…

479

Audio from Scratch with Go: Stereo Panning

In the previous post we have written code to change the amplitude of wave files. Now we’ll take a look at how we can turn a mono wave file into a stereo wave file with optional panning, and explore how this is represented internally by the WAVE file format. Channels The raw audio data inside a WAVE file consists of…