Tech – Page 2 – CHRISTOPHER J. MARTIN

“%@” Notifications Pop-Up Prompt on Apple Mac OS

April 7, 2026November 3, 2020 by Chris

“%@” Notifications Notifications may include alerts, sounds, and icon badgets” If you’ve randomly been asked by MacOS if you’d like to “Allow” or “Don’t Allow” notifications for “%@”, you’re not alone. One of my users saw this pop-up notification seemingly out of the blue. They had been specifically running MacOS Catalina 10.15 for many months … Read more

Canvas File Upload 400 Error: Request failed with status code 400

April 7, 2026October 29, 2020 by Chris

Canvas Error: Request failed with status code 400

I couldn’t find anything online about this unhelpful error message in Canvas. BUT, we figured it out.

How to Record Zoom Gallery View instead of Active Speaker View

March 29, 2026April 15, 2020 by Chris

Zoom defaults to “Active Speaker” view when a meeting is recorded to the cloud. For smaller meetings and classes, you might instead want the “gallery view” so you have a better view of everyone in the meeting. Good news! For cloud recordings, you can change the default recording view from “active speaker” to “gallery … Read more

How to Add a Bookmark in BBEdit (for FTP/SFTP Connections)

April 7, 2026March 31, 2020 by Chris

Bookmarking your FTP/SFTP settings in BBEdit makes re-connecting to servers a lot easier, especially when you include the “Path”, which means you will get dropped back into the same directory each time. 1. Start by opening BBEdit and clicking File->New FTP/SFTP Browser. 2. For the connection settings, enter your SFTP server, username and password. Optionally, … Read more

How to Save Space on your Mac by removing Messages and Photo Attachments – Text/SMS

April 7, 2026March 23, 2020 by Chris

save-storage-space-on-mac-by-removing-messages-photo-attachments

If you send and receive a lot of text messags, especially ones with images and photographs, you may find that your Mac Messages application is taking up a LOT of precious space. Here are options for recovering storage space that is being used by your text messages and photo attachments: Turn on automatic deletion of … Read more

Shopify Liquid Templates – Display HTML Content ONLY if Product has a Specific Tag

April 7, 2026October 17, 2019 by Chris

If you’d like to show some HTML content on a Shopify product page ONLY if the product has a specific tag, the following is the trick that will help you (hopefully!).

How to add a Shopify Store as a Subdomain of your Existing Website

April 7, 2026October 16, 2019 by Chris

How to add a Shopify Store as a Subdomain of your Website

I was interested in adding a Shopify store to my existing website, while also using the domain name I already had (rather than use the storename.myshopify.com web site address that Shopify provides). The solution that made most sense, in my head at least, was to make the Shopify store accessible through my domain name as … Read more

How to Install Microsoft Office with your Penn O365 account (for Faculty, Staff)

April 7, 2026June 18, 2019 by Chris

All full-time University of Pennsylvania faculty and staff with O365 accounts are eligibile to install Microsoft Office (including Word, Excel, Outlook and Powerpoint) on up to 5 devices (including computers and mobile devices). To install on your computer, click here for instructions.

Mailman Mailing List Best Practices

April 7, 2026April 5, 2019 by Chris

In the School of Arts and Sciences at the University of Pennsylvania, we use the open-source python-based Mailman mailing list software. There are many options that can be configured on a per-list basis. The information in this post contains general notes, how to’s, and best practices for listserv management — some aspects, including the list … Read more

How to Add Penn Academic Calendar to Outlook Web Calendar (O365)

April 7, 2026April 3, 2019 by Chris

Many staff and faculty at the University of Pennsylvania enjoy having the Academic Calendar visible on their O365 Outlook Calendar. To add the Penn Academic Calendar to your Office365 Web Calendar (OWA), follow these instructions.