Categories
Mastering Development

Why Is TransactionScope Not Working With Sqlite?

In summary, the code below creates a new table, starts a TransactionScope, inserts a row into the new table, exits the TransactionScope without calling Complete on the TransactionScope, and then gets a count of the rows in the new table. I expect the row count to be zero because the insert should have been rolled […]

Categories
Ask Electrical Engineering Engineering

Correct model for interference from an unterminated transmission line branch

Question about the correct mathematical model for a branched transmission line Baseline Setup Waveform generator: Output 10-60MHz sine wave, 8Vp-p, Output impedance 50Ohms RG58 50Ohm coax: propagation speed 0.659c (length ~0.5m, but that should not be relevant) 50Ohm "feed through" terminator connected to 200Mhz digital oscilloscope Result: 4Vp-p sine wave. Amplitude flat across frequency range. […]

Categories
Apple User Help

Problems Reformatting SSD on mid 2015 Retina 15″ MBP

When I purchased the subject laptop last year I replaced the original Apple SSD with a non-Apple 2 TB SSD. For years I have always kept OS and data on separate drives or at least separate partitions. That always made backups and moving data to new machines simple for me. This time I struggled to […]

Categories
Apple User Help

Problems Reformatting SSD on mid 2015 Retina 15″ MBP

When I purchased the subject laptop last year I replaced the original Apple SSD with a non-Apple 2 TB SSD. For years I have always kept OS and data on separate drives or at least separate partitions. That always made backups and moving data to new machines simple for me. This time I struggled to […]

Categories
Apple User Help

Problems Reformatting SSD on mid 2015 Retina 15″ MBP

When I purchased the subject laptop last year I replaced the original Apple SSD with a non-Apple 2 TB SSD. For years I have always kept OS and data on separate drives or at least separate partitions. That always made backups and moving data to new machines simple for me. This time I struggled to […]

Categories
Mastering Development

Google Sheets: Sort Each Row with ArrayFormula Avoiding Character Limit

I’ve come up with this behemoth of a formula that does exactly what I want it to do, but when I scale it up to handle all my data, I run into the 50,000 character limit. I’m hoping someone has a clever workaround or more direct approach that will do the job. Here’s my data […]

Categories
Apple User Help

Problems Reformatting SSD on mid 2015 Retina 15″ MBP

When I purchased the subject laptop last year I replaced the original Apple SSD with a non-Apple 2 TB SSD. For years I have always kept OS and data on separate drives or at least separate partitions. That always made backups and moving data to new machines simple for me. This time I struggled to […]

Categories
Raspberry Pi User Help

python speech_recognition works in test but doesn’t work in practice and hangs on ‘Listening’

System and Devices Raspberry Pi Zero W running on Raspbian GNU/Linux 10 (buster) usb microphone (this one) Python 3.7.3 What’s working: I can run python3 -m speech_recognition on the raspberry pi, test speaking into the microphone, and it hears and prints what I’m saying more or less as expected. On my primacy mac, my speech_recognition […]

Categories
Apple User Help

How to stream videos from icloud to iphone

My Documents and Desktop folders from my mac have been backed up to iCloud. I would like to watch some videos from iCloud, via my iPhone without downloading. But when I open Files app from iPhone, it just downloads the media file to my phone. I know eventhough I streamed, I’ll consume the same amount […]

Categories
Linux Mastering Development Ubuntu

In Ubuntu 20.04, I cannot get the displayed time on menu bar to show day, date and time including seconds [NOT a duplicate ;-)]

Sorry, as this was closed, but the duplicate it pointed to didn’t solve the issue, as recommended: I have recently updated my laptop from 17.10 to 20.04. One of the features I liked was that quite easily I was able to display on my menu bar the time with day, date, and time including seconds. […]