How Do You Troubleshoot the Python Error “(-5:Bad argument) CAP_IMAGES: can’t find starting number”?

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Problem scenario
You installed cv2 with “pip3 install opencv-python”

You run a Python program, but you get this error:

[ERROR:0] global /tmp/pip-req-build-afu9cjzs/opencv/modules/videoio/src/cap.cpp (160) open VIDEOIO(CV_IMAGES): raised OpenCV exception:

OpenCV(4.5.3) /tmp/pip-req-build-afu9cjzs/opencv/modules/videoio/src/cap_images.cpp:253: error: (-5:Bad argument) CAP_IMAGES: can’t find starting number (in the name of file): https://www.youtube.com/watch?v=abcd1234 in function ‘icvExtractPattern’

What should you do?

Possible Solution
The video file is not there.

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How Do You Troubleshoot “Your python3 install is corrupted. Please fix the ‘/usr/bin/python3’ symlink.”?

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Problem scenario
You run this command:

sudo do-release-upgrade

But you see this error:

“Your python3 install is corrupted. Please fix the ‘/usr/bin/python3’ symlink.”

What should you do?

Solution
Run this command:

tail -n 20 /var/log/dist-upgrade/main.log

Do you see a message like this?

2022-03-18 19:36:59,240 DEBUG python symlink points to: ‘python3.5’, but expected is ‘python2.7’ or ‘/usr/bin/python2.7’

If so,

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How Do You Find Out what Operating System your Linux Server is Running?

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Problem scenario
You want to know the distribution and version of your Linux OS. How do you find out without using “cat /etc/*-release”?

Solution
Install Pulumi (it is quick and light), then run a command. Run these three commands:

curl -fsSL https://get.pulumi.com | sh
source ~/.bashrc
pulumi about

The output will tell you what OS you have and its version.

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Quantitative Analysis Can Drive Investor Psychology

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Canola oil prices got to $1,000 per ounce for a very short amount of time (per tradingeconomics.com).

Lumber prices go to $1,500 per board foot for a very short amount of time (per tradingeconomics.com).

Palladium prices got to $3,000 per ounce for a very short amount of time (per tradingeconomics.com).

Arabic numbers and specific values can make buyers retreat from a given asset.

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Can an Airplane Crash if a Passenger Fails to Use Airplane Mode on a Flight?

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Question
What could happen if your use your cell phone as normal on a plane? Would the pilots be incapable of communicating with air traffic control — causing the plane to crash?

Answer
While we do not recommend violating the policies of a plane, one source says that interference with the pilot’s communication system has not yet led to a crash.

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How Do You Change Your Phone Number in Coinbase?

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Problem scenario
You want to get help from Coinbase. You go to https://help.coinbase.com/en/contact-us. Then you go to “Phone Support.” You click on “Request a Call.”

You see the “Account phone number” is incorrect. You called Coinbase, but when you used the automated prompts, you were directed to the website to use the online system to chat with someone. The support person suggests you reset your 2FA application (and start over).

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What is Nietzsche’s Longest Book by Word Count?

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Question
What book has not most words written by Nietzsche when translated into English?

Answer
The Will to Power has books I, II, III, and IV:

If you combine all the sub-books of the The Will to Power, it is longer than Friedrich Nietzsche’s other books.

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