Lucas JellemaThe cloud is temporarily full (well, this region anyway)It is tempting to consider the cloud a limitless of resources that are always available to us to provision our services from. However, that…·4 min read·Feb 13, 2024--5--5
Lucas JellemaAnalysis of the January 21 2024 Azure ARM outageAs reported by Microsoft: “ Starting at 01:57 UTC on [Sunday] 21 January 2024, customers using Azure Resource Manager might experience…·4 min read·Feb 9, 2024----
Lucas JellemaWhen Azure could not be reached — Analysis of a global Public Cloud OutageMicrosoft provided valuable insight into the behind the scenes situation for a global network incident that happened about a year ago. In…·6 min read·Feb 9, 2024----
Lucas JellemaQuickly creating a geo map to illustrate an article-QGIS and Datawrapper (and the PDOK data sets)Quickly creating a geo-map illustration for an article. Showing off PDOK as geo data source, QGIS as geo data inspector and editor and…·4 min read·Jan 8, 2024----
Lucas JellemaPrepare custom map data with MapShaper and Present with DataWrapperIn this article I take a custom GeoJSON file that defines some 20 custom locations — the office locations for the Conclusion ecosystem —…·6 min read·Jan 7, 2024----
Lucas JellemaPDOK Data Sets in QGIS using QGIS PluginPDOK — Publieke Dienstverlening op Kaart — is a Dutch data service that offers 230+ geo data sets on many different aspects of the public…·3 min read·Jan 6, 2024----
Lucas JellemaUsing CartoDB and OpenStreetMap in QGISUsing QGIS (open source Quantum GIS tool) to gather, visualize, analyze, edit, process and export Geo Data is fun. I only discovered QGIS…·5 min read·Jan 6, 2024----
Lucas JellemaAdding GeoJSON features to a OpenStreetMap in LeafletLeaflet is a great JavaScript library for creating map visualizations in web applications. Leaflet is created with that specific purpose in…·4 min read·Jan 6, 2024----
Lucas JellemaSimple Web Application-using D3 and SVG for fairly drawing the winnersLast month we organized an internal competition around The Advent of Code 2023. Some 70 colleagues participated, Six had completed all…·4 min read·Jan 4, 2024----
Lucas JellemaLive Inspection of Detailed Railway Data in free QGIS viewerIn a recent investigation I stumbled on two valuable things:·3 min read·Jan 3, 2024----