terminology – What is the difference between “software regression” and simply a bug?

https://en.wikipedia.org/wiki/Software_regression

I keep hearing people who (apparently) want to sound important and academic talk about “regressions” in software. What exactly does it mean? Every time I look it up, I come back not having any idea what it means.

It sounds just like a bug to me. Is it a fancy synonym for “bug”?

What is the difference between NSolve and N[Solve]

N[Solve]
NSolve

I am getting different results everytime I use these commands.

M.2-SSD versus NVMe M.2: What is the difference?

It appears the connector is almost identical (frustratingly almost identical).

What is the difference between these two animals?

nikon – What’s the difference between DSC_ and RSC_ files?

It’s a widely established convention to use the DSC prefix, indicating “digital still camera”. I’d suppose RSC would indicate “reflex still camera”; or, in case it only gets used for retouched files (such as when using lens correction profiles) “retouched still camera” (D90 uses “CSC” prefix in such cases). Some Nikons are also known to alternate file name based on color space used by relocating underscore in the name (_DSC for AdobeRGB and DSC_ for sRGB).

On higher end Nikons, there’s an option in Shooting Menu to define your own preferred 3-character file name prefix, I’d expect that to resolve the issue on D700 (but not D80, which doesn’t have the setting). Note that if you use custom settings banks, the setting must be specified individually for each bank.

vpn – Difference between IKEv1 and IKEv2

Can someone tell me the difference between IKEv1 and IKEv2 in terms of security functionality?

Wherever I refer it was mentioned as IKEv1 has 9 messages while IKEv2 has 4 messages, IKEv2 has less RTT etc. But how the security has been enhanced in IKEv2?

remote desktop – Difference between SSH Tunnel and HTTP Tunnel

I am trying to understand the difference between SSH port-forwarding/tunneling and HTTP tunneling. So when I try RDP over SSH tunnel it works, but when try the same over an established secure HTTP tunnel it doesn’t. I am trying to understand the core difference or reason for this difference in tunneling.

Thanks in advance!

What Is The Difference Between Forex Trading And Gambling? – General Forex Questions & Help

In my point of view and what first came into my mind when i had read this question is the word luck.

I think the main difference between forexand gambling is the word “luck”.

At gambling we more rely on our luck in winning,while at forex we cant we need to learn and analyze.The market is so huge so we need to learn we cant rely on our luck.

What is the major difference between "Search Volume" and "Average Monthly Searches" ?

Hello everyone,
what is the major difference between Search Volume and Average Monthly Searches?

What is the major difference between "Search Volume" and "Average Monthly Searches" ?

Hello everyone,
what is the major difference between Search Volume and Average Monthly Searches?

.

How to get a difference of "X years, Y months, Z days" between two dates?

I have two dates: 29/05/2020 and today.

How can I get a date diff of these 2 dates, in a meaningful formas such as "Z years, X months, Y days" separating these dates?

Ideally this should also take into account the number of days in each months (for example May has 31 days but June has only 30 days).

Thanks for your help!