Install OpenCV 4.1.2 on Raspbian Buster
$ chmod +x *.sh
$ ./download-opencv.sh
$ ./install-deps.sh
$ ./build-opencv.sh
$ cd ~/opencv/opencv-4.1.2/build
$ sudo make install
Gabriel Smith nogorilla
m-radzikowski
/ script-template.sh
Last active
April 30, 2026 11:50
Minimal safe Bash script template - see the article with full description: https://betterdev.blog/minimal-safe-bash-script-template/
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| #!/usr/bin/env bash | |
| set -Eeuo pipefail | |
| trap cleanup SIGINT SIGTERM ERR EXIT | |
| script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P) | |
| usage() { | |
| cat <<EOF | |
| Usage: $(basename "${BASH_SOURCE[0]}") [-h] [-v] [-f] -p param_value arg1 [arg2...] |
dypsilon
/ backendDevelopmentBookmarks.md
Last active
March 18, 2026 03:41
Backend Engineering Bookmarks
- node.js
- Installation paths: use one of these techniques to install node and npm without having to sudo.
- Node.js HOWTO: Install Node+NPM as user (not root) under Unix OSes
- Felix's Node.js Guide
- Creating a REST API using Node.js, Express, and MongoDB
- Node Cellar Sample Application with Backbone.js, Twitter Bootstrap, Node.js, Express, and MongoDB
- JavaScript Event Loop
- Node.js for PHP programmers
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| # http://en.wikipedia.org/wiki/Extreme_points_of_the_United_States#Westernmost | |
| top = 49.3457868 # north lat | |
| left = -124.7844079 # west long | |
| right = -66.9513812 # east long | |
| bottom = 24.7433195 # south lat | |
| def cull(latlngs): | |
| """ Accepts a list of lat/lng tuples. | |
| returns the list of tuples that are within the bounding box for the US. | |
| NB. THESE ARE NOT NECESSARILY WITHIN THE US BORDERS! |