Jaco du Plessis jacoduplessis

jacoduplessis / dev.sh

Created June 10, 2018 20:28

Run a build script when source files change

while inotifywait -e close_write src ; do NODE_ENV=development node build.js; done

jacoduplessis / extract_keyframes.sh

Created July 9, 2018 21:17

Extract keyframes from video

ffmpeg -skip_frame nokey -i video.mp4 -vsync 0 -r 30 -f image2 thumbnails-%03d.jpg

jacoduplessis / firefox_geckodriver_standalone.go

Created November 14, 2018 05:53

Running headless firefox without selenium in golang.

	package main

	import (
	"fmt"
	"github.com/tebeka/selenium"
	"github.com/tebeka/selenium/firefox"
	"log"
	"os"
	)

jacoduplessis / leaflet.filter.js

Created November 24, 2018 18:42

	var GeoJSONFilterControl = L.Control.extend({
	initialize: function (geoJsonLayer, data, fields, options = {}) {
	this.layer = geoJsonLayer;
	this.data = data;
	this.fields = fields;
	this.filteredOut = {};
	L.Util.setOptions(this, options);
	},
	options: {
	position: 'bottomright'

jacoduplessis / colors.js

Created February 6, 2019 15:43

List of 20 simple distinct colours

	// from https://sashat.me/2017/01/11/list-of-20-simple-distinct-colors/

	var categoricalColors = [
	'#e6194B',
	'#3cb44b',
	'#ffe119',
	'#4363d8',
	'#f58231',
	'#911eb4',
	'#42d4f4',

jacoduplessis / utils.py

Last active March 28, 2019 05:45

Stream SQLAlchemy result as CSV response in Django

	import csv
	from sqlalchemy.engine.result import ResultProxy

	class _Echo:
	def write(self, value):
	return value


	def stream_csv(res: ResultProxy):
	w = _Echo()

jacoduplessis / data.csv

Created April 10, 2019 08:17

D3 v5 Waterfall

jacoduplessis / admin.py

Created April 12, 2020 06:04

MPTT admin to move multiple nodes at once

	class PlaceAdmin(MPTTModelAdmin):

	def get_model_info(self):
	app_label = self.model._meta.app_label
	return app_label, self.model._meta.model_name

	def get_move_form_class(self):
	class MoveSelectTargetForm(forms.Form):
	target = forms.ModelChoiceField(self.model.objects.all())
	position = TreeNodePositionField()