EJ

Notes

1 min read

Short-form writing that I use as a reference or for quick notes that aren’t as well-polished as a blog post.

Topics

Notes

15 items under this folder.

  • Energy Sector

    Power Generation .

    • Operating Systems

      character file transmission-modes unix-everything-is-a-file websockets what-are-ptmx—pts Zsh alias with argument and autocompletion .

      • Python

        Topics Data Notes async-await-python Multiple Context Managers in Python sqlalchemy-101 sqlalchemy-working-with-db-metadata .

        • Import GeoJSON Into Database

          Once you have created a database Running PostGIS in Silverblue you may want to import data to it.

        • install-upwork-silverblue

          flatpak-spawn ~/.local/share/applications/mimeinfo.cache [MIME Cache] x-scheme-handler/upwork=upwork.desktop; vi ~/.local/share/applications/upwork.desktop [Desktop Entry] Name=Upwork Exec=/opt/Upwork/upwork %U Terminal=false Type=Application Icon=Upwork StartupWMClass=Upwork StartupNotify=false En...

          • ogr2ogr Cheatsheet

            Converts data between formats.

          • podman-postgresql

            Create volumes podman volume create postgis_data Then run a container: podman run --name spatialytics-postgis \ -e PG_PASSWORD="$POSTGIS_PASSWORD" \ -p 5432:5432 \ -v postgis_data:/var/lib/postgresql/data \ -d postgis/postgis A bind mount is a mount that points to a directory in the host m...

            • Restore PostGIS Database from Backup

              Check Available Databases: Confirm that the database you want to write to is present.

            • Running PostGIS in Silverblue

              Running with podman Run using podman but you can replace docker and it will work the same.

            • virtual-machines-in-silverblue-i3

              Start libvirtd (check status if needed): systemctl status libvirtd sudo systemctl start libvirtd Authenticate Run a polkit /usr/libexec/polkit-gnome-authentication-agent-1 Authenticate Run virt-manager Do your VM thing References www.reddit.com/r/i3wm/comments/ih989j/i3wm_cant_start_polkitgnome/.

              • Testcontainers with Podman

                Start the Podman socket from the toolbox container (the container where you’re developing): systemctl --user start podman.socket Note: I ran this from inside a Toolbx container running on Fedora 40 Configure Testcontainers to use Podman’s socket: Save the following exports to ~/.testcontainers.prope...

              • thermal-comfort

                thermal comfort Definitions according to ASHRAE 55 : thermal comfort: that condition of mind that expresses satisfaction with the thermal environment and is assessed by subjective evaluation.

                • Formatting cross-reference figures in Word

                  Source: Combine Cross-references Source: Formatting Cross-refrences When working with cross-references, you might need different formats.

                  • How to Write a Good Scientific Paper: Figures, Part 2

                    Source Source 2 Assuming that the final graph will fit within a single column in a two-column-per-page format.

                    • Cross-platform conda env yml

                      I use Linux, OSX and Windows on a daily basis, changing between OSes depending on the task at hand.