ThomasG77 / promise-race.js

Created August 28, 2018 23:14

Promise.race illustrated with sourceforge mirrors

	const fetch = require('node-fetch');

	const mirrors = ['astuteinternet', 'ayera', 'cfhcable', 'cytranet', 'datapacket', 'excellmedia', 'freefr', 'gigenet', 'iweb', 'jaist', 'kent', 'liquidtelecom', 'managedway', 'nchc', 'netcologne', 'netix', 'newcontinuum', 'phoenixnap', 'pilotfiber', 'razaoinfo', 'superb-dca2', 'superb-sea2', 'svwh', 'tenet', 'ufpr', 'versaweb'];
	const url = 'https://sourceforge.net/projects/filezilla/files/FileZilla_Client/3.31.0/FileZilla_3.31.0_win64-setup.exe/download';

	// Find the fastest Sourceforge mirror manually
	// The usual use case would for Promise.race would be
	// when calling images from multiple servers
	// (imagine different AWS S3 storage) to get the fastest one
	var p = Promise.race(

ThomasG77 / index.html

Created November 27, 2018 10:19

Google Open Lcoation Code demos (borrowed from https://github.com/google/open-location-code/blob/master/tile_server/example.html)

	<!doctype html>
	<!--
	This can be used to test the tile serving.
	In a browser, open this as a local file.
	You will have to start the app server instance without the host option, so that it
	will serve as "localhost".
	-->
	<html lang="en">
	<head>
	<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">

ThomasG77 / demo_reproject_to_epsg4326.sh

Created December 6, 2018 13:10

Démo pour montrer comment reprojeter en EPSG 2154 un CSV issu du géocodage de l'API CSV de http://adresse.data.gouv.fr/

	## How to reproject to EPSG 2154

	# Get data
	cd /tmp/
	wget http://www.douane.gouv.fr/Portals/0/fichiers/datadouane/geolocalisation/annuaire-des-debits-de-tabac-2018.zip

	# Uncompress
	unp annuaire-des-debits-de-tabac-2018.zip

	# Take only 10 first lines

ThomasG77 / standalone-qgis3.py

Last active March 2, 2019 18:43

Standalone QGIS app for QGIS 3.0 (borrowed code for QGIS 2.x from https://subscription.packtpub.com/book/application_development/9781783984985/1/ch01lvl1sec18/creating-a-standalone-application)

	# Code borrowed from https://subscription.packtpub.com/book/application_development/9781783984985/1/ch01lvl1sec18/creating-a-standalone-application
	# and upgraded for QGIS 3.0
	import sys
	from qgis.core import (QgsApplication, QgsFeature, QgsGeometry,
	QgsProject, QgsVectorLayer)
	from qgis.gui import QgsMapCanvas
	from qgis.PyQt.QtCore import Qt
	# Unused so commented
	# from qgis.PyQt.QtGui import *

ThomasG77 / .gitignore

Last active April 28, 2019 15:56

Generate H3 hexagons

	node_modules/
	package-lock.json
	*.geojson
	*.gpkg

ThomasG77 / geojson_to_h3_hexagons.py

Created April 28, 2019 18:00

Take a GeoJSON as an input, take all H3 hexagons within and output GeoJSON hexagons with their id

	from h3 import h3

	geoJson = {'type': 'Polygon',
	'coordinates': [[[37.813318999983238, -122.4089866999972145],
	[ 37.7866302000007224, -122.3805436999997056 ],
	[37.7198061999978478, -122.3544736999993603],
	[ 37.7076131999975672, -122.5123436999983966 ],
	[37.7835871999971715, -122.5247187000021967],
	[37.8151571999998453, -122.4798767000009008]]] }

ThomasG77 / index.html

Created May 4, 2019 11:05

Leaflet.Spin standalone (similar to official https://github.com/makinacorpus/Leaflet.Spin but use only CDNs)

	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<title>Leaflet.Spin</title>
	<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css" />
	<script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/spin.js/2.3.2/spin.min.js" charset="utf-8"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/Leaflet.Spin/1.1.0/leaflet.spin.min.js" charset="utf-8"></script>
	<style type='text/css'>

ThomasG77 / .gitignore

Last active May 4, 2019 20:55

Use GDAL2Tiles to view images in Leaflet

	btv1b53095142n_f1.jpg
	tiled/

ThomasG77 / pyqgis-python3-get-coordinates.py

Created August 17, 2019 00:10

	# Execute in the PyQGIS console
	def showXY(p):
	print(p.x(), p.y())

	currentCanvas = iface.mapCanvas()
	currentCanvas.xyCoordinates.connect(showXY)
	# Below enable to "unregister" listening to click event
	# currentCanvas.xyCoordinates.disconnect(showXY)

ThomasG77 / index.md

Created September 26, 2019 21:25

Docker/Docker-compose recipes

Docker-compose recipes

Get IP for PostgreSQL docker image

# Filter docker image running with port 5432 to get IP to use for Pgadmin connexion
# Get the key of the inspected network (one in our case) from this image using docker inspect
# Provide the key to access to the IP of the docker container with DB
# Copy/paste to use in PgAdmin (PS: we use a local docker running with postgres user but passwordless)
key=`docker inspect $(docker-compose ps |grep 5432 |cut -d ' ' -f1) |jq '.[].NetworkSettings.Networks|keys[]'` \

Thomas Gratier ThomasG77

Docker-compose recipes

Get IP for PostgreSQL docker image