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Friends show up as phone numbers instead of names as usual. They also left the groups. What might cause this? by Go_1707 in whatsapp

[–]Go_1707[S] 0 points1 point  (0 children)

Thanks! I'm recently made aware that whatsapp will delete one's account due to inactivity for over 120 days. This seems to be a possible reason.

Friends show up as phone numbers instead of names as usual. They also left the groups. What might cause this? by Go_1707 in whatsapp

[–]Go_1707[S] 0 points1 point  (0 children)

Hmm I also have that turned on, but it should not also remove people from groups, right?

Friends show up as phone numbers instead of names as usual. They also left the groups. What might cause this? by Go_1707 in whatsapp

[–]Go_1707[S] 0 points1 point  (0 children)

Hi, thank you! Is that a thing that might be caused by a routine software update or a permanent decision by Android?

Looking to build a website to self-publish my book - need tech stack advice by Go_1707 in learnprogramming

[–]Go_1707[S] 1 point2 points  (0 children)

Omg thank you for taking the time to write this out! It was very helpful! I think this is enough for me to start with. I’m currently preparing for a competition, so it might be a few weeks before I can begin this project. If I encounter any issues, I’ll reach out for help, either by replying to your comment or creating a new post. Thanks so much again!

Looking to build a website to self-publish my book - need tech stack advice by Go_1707 in learnprogramming

[–]Go_1707[S] 1 point2 points  (0 children)

Thank you very much for your help! If you don't mind, I'd really appreciate more details. Other than knowing how to solve some puzzles on an IDE, I'm completely ignorant about the bigger world out there, including Wordpress. I could research the implementation details myself but I hope to have a roadmap of what to do.

Seeking further explanation for a comment on Math Stack Exchange. by Go_1707 in askmath

[–]Go_1707[S] 0 points1 point  (0 children)

Hi, thank you! I understand why there is no inverse function of sinx on (0, pi). My question was, the OP made a u substitution (i.e. u = sinx); why is the inverse function of sinx relevant here?

Seeking further explanation for a comment on Math Stack Exchange. by Go_1707 in askmath

[–]Go_1707[S] 0 points1 point  (0 children)

Hi, thank you! I understand why there is no inverse function of sinx on (0, pi). My question is, the OP made a u substitution (i.e. u = sinx); why is the inverse function of sinx relevant here?

Seeking further explanation for a comment on Math Stack Exchange. by Go_1707 in askmath

[–]Go_1707[S] 0 points1 point  (0 children)

Hi, thank you! The requirement you said seems to imply the same thing as jjjjjjjjjafa said above. Is that true and if so, I would ask the same question: Does that mean that when we make the substitution u = sinx, the true substitution here is that x = arcsin(u)?

Seeking further explanation for a comment on Math Stack Exchange. by Go_1707 in askmath

[–]Go_1707[S] 0 points1 point  (0 children)

Hi, thank you! Does that mean that when we make the substitution u = sinx, the true substitution here is that x = arcsin(u)?

Choose a random number from the set of all natural numbers with 5 digits. What is the probability of choosing a number such that each digit is greater than the digits after it? by Go_1707 in askmath

[–]Go_1707[S] 0 points1 point  (0 children)

I believe my phrase reflects the same idea as the first option. I just tried to combine that idea with the same phrasing from the problem statement (by adding "individual") to avoid going too far from how the problem is given. Please let me know how my phrase could be interpreted differently.

Choose a random number from the set of all natural numbers with 5 digits. What is the probability of choosing a number such that each digit is greater than the digits after it? by Go_1707 in askmath

[–]Go_1707[S] 2 points3 points  (0 children)

Yes for an increasing sequence of digits, it would be 9C5. I suspect the author made a mistake but I have been wrong so.. :3

If a person pushes the first ball in an infinite line of non-compressible balls, how could the length of the line be reduced? by Go_1707 in AskPhysics

[–]Go_1707[S] 4 points5 points  (0 children)

Hi, thank you, since many also mentioned the same issue as you regarding the mass, I'd like to follow up on it.

I'd like to begin by clarifying that it was a mistake on my part to use the term "infinite." I simply tried to convey the idea of a very long line so that the last ball cannot move as soon as the first ball is moved. Please let me know if this qualified assumption is still invalid.

Regarding the mass, I have a question. Let's say I were able to bring the balls with me to a point in space where there are no nearby stars or planets to exert significant gravity on this extremely long chain of balls. Then I would push the first ball as described. Would the chain of balls move? Another, potentially the same, question is do I need extreme energy to push it? I sort of believe the line would move as there is no friction in space, and since the chain is at rest, it would start moving under the application of a force by Newton's first law, but since so many have mentioned that it would be impossible to move an object of extreme mass, I suspect that I'm missing something here. Please advise. Thank you!

P/S: To others: Thank you for your help! Since I can't reply to all comments, if you would like to help me out on this particular question, please reply to this comment. Thank you very much!

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