| // Types for the result object with discriminated union | |
| type Success<T> = { | |
| data: T; | |
| error: null; | |
| }; | |
| type Failure<E> = { | |
| data: null; | |
| error: E; | |
| }; |
The purpose of this tutorial is to walk through the required steps to upgrade NXT chip (or pocketchip) from debian jessie to debian buster.
If you would like to start your Chip from scratch, follow the steps in the Preparation section.
A linux host machine, recommended Ubuntu 18.04. However I managed to do it with 20.10 with some tweak.
| #!/bin/bash | |
| # | |
| # Convert ssh-agent output to fish shell | |
| # | |
| eval "$(ssh-agent)" >/dev/null | |
| echo "set SSH_AUTH_SOCK \"$SSH_AUTH_SOCK\"; export SSH_AUTH_SOCK" | |
| echo "set SSH_AGENT_PID \"$SSH_AGENT_PID\"; export SSH_AGENT_PID" |
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent