How Do You Find Your Tibia to Femur Ratio?

Problem scenario
You want to find a sport or buy shoes that incorporates your legs anthropometry. How do you find the ratio of your tibia's length to your femur's length?

Answer
Depending on your style of dress, personal trainers may not be able to guess your femur length. You do have to measure.

How do you measure the tibia (the bone between your ankle and knee) length?
See this: https://www.youtube.com/watch?v=5uKFNZF8O1o&feature=emb_rel_pause

How do you measure the femur (the bone between your knee and hip) length?
See this: https://www.youtube.com/watch?v=5uKFNZF8O1o&feature=emb_rel_pause

What is a typical ratio of tibia to femur?

The tibia is usually 80% of the femur's length (according to this external page). If the tibia is 100%, that is a long tibia (and good for sprinting according to Mark Rippetoe, https://startingstrength.com/training/shoes).

People with short femurs may want more of a heel for their weightlifting shoes (according to Mark Rippetoe, https://startingstrength.com/training/shoes). People with long femurs will may to avoid a high heel for their weightlifting shoes (according to Mark Rippetoe, https://startingstrength.com/training/shoes).

To read more, see this posting: https://allfamousbirthday.com/faqs/how-to-know-if-you-have-long-femurs/

Should You Do Squats Barefoot?

Problem scenario
You see many strong people at the gym lift barefoot. Should you take your shoes off before squatting?

Possible Answer
It is not clear.

These articles give mixed treatment to squatting barefoot (with the top two being fairly favorable to the practice):

https://borntosweat.co/blog/the-benefits-of-barefoot-training-squatting-without-shoes/

Squatting Barefoot VS Lifting Shoes – Why Does it Matter?
10 Reasons You Should Squat Barefoot (+5 why you shouldn’t!)
https://thatfitfriend.com/squatting-barefoot-vs-shoes/

https://torokhtiy.com/blogs/guides/squatting-barefoot-vs-shoes

This says you should not: https://startingstrength.com/training/shoes

How Do You Troubleshoot “nouveau drm failed to idle channel” upon boot up?

Problem scenario
Ubuntu won't boot. You get "nouveau drm failed to idle channel" upon boot up. What should you do?

Possible Solution #1
Press enter. You should then see a prompt to log in.

Possible Solution #2
Press Ctrl-Alt-F3

Possible Solution #3 (if it does not happen at boot up, but you see a similar message)
See this external posting, but remember to read the question too for context.

How Do You Get Screws to Start Screwing in?

Question
You are trying to get a screw to get into a thread. It won't start. How do you get the screw into the hole you are trying to screw-in?

Answer
Are the screws slightly too big? Did other screws come with the item you are working with? It could be that the screws are not the right ones. Sometimes there are hidden screws in a package or the wrong screws are in package (from a mistaken from the manufacturer).

How Do You Log Out of a Company’s Website?

Problem scenario
You are logged into an e-commerce website or a utility website. When you click log out, the page refreshes. You never really log out (as you are logged back in automatically). What are you doing wrong?

Possible Solution
Close the web browser that does not log you out. Try a different web browser (e.g., use Firefox if a different web browser had the problem). A different web browser may help; it may allow you to log out consistently.

How Do You Get Someone to Receive Your Car from a Car Transportation Company?

Problem scenario
A car company will not store your car because they have no storage facility. You are getting your car transported across the U.S. How do you find someone to receive your car?

Possible Solution #1
Ask a hotel to receive your car.

Possible Solution #2
Ask a fitness gym with ample parking that is open seven days per week to receive your car.

Possible Solution #3
Ask a friend or coworker in a nearby town to receive you car.

Possible Solution #4
Ask a national chain of automobile repair companies to receive your car. They specialize in holding the keys for parked cars outside. They know how to activate a car alarm.

Where Is the core-site.xml File in a Hadoop Installation?

Problem scenario
You downloaded and installed Hadoop core (an open source version). But you cannot find the core-site.xml file. (This is for open source Hadoop -- not a proprietary version.) What should you do?

Possible Solution #1
Run this: 

sudo find / -name core-site.xml

Possible Solution #2
Did you download the installation media with a file "-site" in its name?

Try again with a .tar.gz file without "-site" (and without "-src") in its name:
https://dlcdn.apache.org/hadoop/core/stable/

How Do You Deal with Inaccurate repquota Results?

Problem scenario
You run sudo repquota -a. The results are not reflecting the current block or inode usage. What can you do to fix this incorrect data that is discrepant with what you know is correct?

Solution
Reboot. Note that there are grace periods for exceeding soft limits. But the numbers in the report are not always updated instantaneously.

What is Doxing?

Question scenario
You have read about doxing or doxxing. What does it mean?

Answer
Doxing is the act of publicizing via the internet previously cloaked data about an individual or an organization. It is the unmasking of a formerly anonymous person to identify the target with an embarassing fact or allegation. Controversially connecting a person to something humiliating on a website is doxing. It can be illegal in certain circumstances.

Here are other excerpts:

"...doxing is the act of revealing someone’s sensitive information online. Hackers use doxing to harass, threaten, or get revenge on others." (Taken from https://www.avast.com/c-what-is-doxxing.)

"The term 'Doxing' is short for "dropping dox" 'dox' being slang for documents. Typically, doxing is a malicious act, used against people with whom the hacker disagrees or dislikes." (Taken from https://www.kaspersky.com/resource-center/definitions/what-is-doxing.)

"The term doxxing (sometimes spelled doxing) is a longtime hacker term derived from “dropping dox” or documents about an adversary. Motivations range from personal revenge to political ends. " (Taken from https://www.usnews.com/360-reviews/privacy/what-is-doxxing.)

"Doxing is a form of cyberbullying that uses sensitive or secret information, statements, or records for the harassment, exposure, financial harm, or other exploitation of targeted individuals." (Taken from https://www.fortinet.com/resources/cyberglossary/doxing.)

"To spare someone shame, that is what I regard as humane." -Friedrich Nietzsche