# All Questions

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### How to build a secret santa algorithm [on hold]

I'm trying to build a simple Secret Santa application. What is secret santa ? For each person of a list of n people, select another person to give a little gift to during christmas. Each person can ...
31 views

### How can i improve my post

I asked question on CS stack exchange , How to solve following problem using segment trees? .I really want to improve thus i want to know how can i improve my post . 1.I copied question statement ...
47 views

### Is there a feature that will notify me about particular questions that I may be able to answer?

I've spent a fair amount of time learning just the basics of computer science in the past few months. And, it would be more beneficial for me to actually try to answer questions instead of asking them....
16k views

### I am resigning as a moderator

I am stepping down as a moderator, and you deserve to know why. I cannot condone actions that the company has recently taken (behind close doors, although I expect more will become public soon). ...
47 views

### Is there a way to draw derivation trees with MathJax?

Is there a known way to draw derivation trees (proof trees, typing derivation trees, ...) with MathJax? Currently, I embed trees by the following ways as workarounds: Draw a tree using my PC with ...
107 views

### I'm confused why a truthful claim in a post is downvoted, and its annoying me that no one sees after numerous edits. Please help

I know there must be a communication problem. For some reason, I can't get people to realize that general sudoku is a form a of vertex covering. People have downvoted this truthful claim. I have ...
82 views

### What is the difference between [asymptotics], [big-o-notation], and [landau-notation]?

The asymptotics tag currently has two tags remapped to it: big-o and asymptotic-complexity. I can imagine the reason landau-notation is not amongst those is to distinguish between questions about ...
81 views

### Reached question limit while asking on meta?

I'm finding many catch-22s and I have to struggle to understand how to create a high quality question. I then ask, and get downvoted and then get question blocked again? Question What's up with the ...
67 views

### Is this question on topic for this site? And, where is the link of suggestions to maximize quality of my questions?

Sample-Question Intro I'm seeking clarity after many failed attempts to understand a few sentences that I read from a Wikipedia page. So I'm asking here on Computer-science for better understanding. ...
54 views

### Is it off topic to promote the topic challenge here?

Well, it's been a while. To our new(-er) users, welcome to Topic Challenges. To our old(-er) users, welcome back. In the spirit of improving the site, its questions and the amount of fun and ...
66 views

### Must, I adhere to general standards when showing a problem?

Recently, I've been put on hold for being unclear. And, I believe it is my lack of understanding the conventional standards. (Which I find difficult to follow in most cases) I have updated the ...
315 views

### Congratulations, Yuval passed 200K!

Congratulations Yuval, you amaze me every day with patience, profound answers and constant fight to make people work harder, hinting them to solve own problems. Thank you, reading your posts is ...
139 views

### Downvoting valid questions

An NP-Completeness question was asked today by a new user, and immediately received 2 downvotes. The OP desclaimed it was a question from a job interview, offered the hint given to him and asked for ...
95 views

### What to do if your best questions are getting downvoted?

Recently, I have asked a question and made sure that I provided enough details showing that I somewhat understand what I'm reading. Overall, what details should be omitted that make the question ...
79 views

### P vs NP question put on hold?

Recently, I have asked a question and it doesn't seem to get an answer and is remaining on hold. I have edited the question and removed any content that I believed was unnessary. I believe the reason ...
246 views

### P vs NP, policy about such questions

I would like to know whether there is some kind of consensus or policy, what to do. AFAIK such questions are off-topic here, because this is Q&A and not peer review, many posts fall into "check ...
53 views

### How to flag potential voter fraud?

I don't use this stack exchange much or at all, but I have experience over several years using other stack exchanges. I recently answered a several year old question with an answer. The OP commented ...
53 views

### I have an algorithm, but it's pretty poor. Can I ask here how to improve it?

I don't understand the terminology in your help center. And so want to know if this is on-topic or if you know if my potential questions would be better answered elsewhere. I contribute to Code ...
55 views

### I don’t think a user who answers an OP’s question should have his points reduced when the OP’s user account is removed

I answered an OP’s question some time ago but the OP’s user account was removed and thereafter the points I earned were deducted. I believe that in this scenario the points should remain intact since ...
83 views

### Should this question really be closed?

I recently found this question: If there is comparison between two variables then language is not regular. Then how the below two languages L1 and L2 Regular? Please Explain It is closed as a ...
279 views

### Congratulations, D.W. passed 100K!

Your identity might be shrouded in mystery, yet your moderation is laid bare for all to see. I hope you keep contributing to the site for years to come, looking back in pride on your accomplishments ...
283 views

### Welcoming new users by downvoting their questions

A question that was asked recently concerns synchronizing words. Apparently it had been assumed to be on a different and much more trivial topic, graph traversal, and as a result, entertained a shower ...
43 views

### Made massive oversight in specifying question. How to proceed?

In this algorithms question, I asked how to solve an algorithms question from a book, which I later realised I completely misread. The question I asked still led to some interesting discussion, but I ...
109 views

### 2019 Community Moderator Election Results

Computer Science's second moderator election has come to a close, the votes have been tallied and the new moderator is: They'll be joining the existing crew shortly—please thank them for ...
34 views

### Recently deleted questions invisible

In the past week, it has happened twice that questions I have answered have been deleted, but I was unable to see them in the moderator tools. One question I was able to find (and attempt to undelete) ...
262 views

### 2019 Moderator Election Q&A - Questionnaire

In connection with the moderator elections, we are holding a Q&A thread for the candidates. Questions collected from an earlier thread have been compiled into this one, which shall now serve as ...
35 views

### Would a “find enclosing room” algorithm question be on-topic here?

While searching for a solution, I stumbled upon this question on the main site, which seems at least related. I have previously asked on s/w engineering meta if I could ask there and the answer is ...
239 views

### Community Promotion Ads — 2019

2019 is here! And with the new year, as usual, comes a new iteration of Community Promotion Ads! Let’s refresh these for the coming year :) What are Community Promotion Ads? Community Promotion Ads ...
109 views

### 2019 Community Moderator Election

The 2019 Community Moderator Election is now underway! Community moderator elections have three phases: Nomination phase Primary phase Election phase Most elections take between two and three weeks,...
30 views

### What should I do if I miss-created a tag with a typo?

I've just created a question and tried to add a tag "cubical-type-theory", but my keyboard is problematic and causes the tag to be "cubical--type-theory" (with an unexpected ...
161 views

### 2019 Moderator Election Q&A - Question Collection

Computer Science is scheduled for an election next week, January 21st. In connection with that, we will be holding a Q&A with the candidates. This will be an opportunity for members of the ...
40 views

### Are questions about algorithm recommendation accepted here?

I previously asked this Where can I ask for algorithm recommendations? And was asked to migrate my question to softrec. here https://softwarerecs.stackexchange.com/questions/54652/what-is-the-best-...
102 views

### (To what extent) is modeling the physical world on-topic?

Is the design of algorithms to model the physical environment on-topic? To what extent? In particular, is What algorithm is appropriate for a thermostat controlling the heating of a room with floor ...
56 views

### 2018: a year in moderation

It's New Year's Day in Stack Exchange land... A distinguishing characteristic of these sites is how they are moderated: We designed the Stack Exchange network engine to be mostly self-regulating, ...
46 views

### Questions about how to study or how to teach

Are questions about how to study computer science on-topic? Are questions about how to teach computer science on-topic? For example, “How can I calculate this property of a graph?”, “How can I prove ...
38 views

### Should [numeral-representations] and [number-formats] be merged?

Both tags numeral-representations and number-formats are missing a usage guidance, and I cannot see a difference between the questions tagged either way. Both seem to encompass not only binary, octet, ...
81 views

### Should we merge “graphs” with “graph-theory”?

The tags graphs and graph-theory seem to cover much of the same ground. Should we merge them?
71 views

### Questions from unregistered users

How should we respond to questions from unregistered users? Should we treat them differently from questions from registered users? For example: Should we post comments encouraging users to register? ...
12 views

### Renaming graphical-models tag to graphical-model

I found three sites with the same tag graphical-model(s). They are Data Science, Cross Validated and this site. The other two sites contain ...
41 views

### Is this site the most appropriate to ask questions about distributed algorithms?

For example, suppose I have a doubt regarding how Paxos works or about the definition of FIFO broadcasts. Is this website the most suited for asking this kind of questions? For example, would this or ...
19 views

### Burninate/synonymize tag: definition

There were six questions tagged "definition". In most cases, it was either being used as a synonym of "terminology" or its only semantic content was "I'm asking about the definition of something or ...
29 views

### Can my question be undeleted?

I recently accidentally deleted a question about data structures, but I have insufficient reputation on this site to see deleted questions and so I don't have the ability to undelete it. Would it be ...
34 views

### rethinking programming language tags

This question asks whether programming language tags such as [java], [c++], or [python] are on topic at CS stack exchange. The answer says that questions about the programming languages themselves may ...
32 views

### Testing of an algorithm on topic?

I am new to this site but not new to SE. I am examining an algorithm that has been published and the software that comes along with the algorithm. Are questions related to testing of the algorithm ...
172 views

### Computer Science's updated site theme is ready for testing!

As part of implementing the new unified themes across the network, we're gradually rolling out updated site themes for each site. As of today, we have enabled your updated site theme for testing. If ...
172 views

### Is it now a good time to merge with CSTheory.SE

For several recent years, the contents of questions on CSTheory.SE are strict subsets of those here on CS.SE Especially, theoretical questions here and there are often linked to each other. Also, ...
83 views

### Help vote on answers to good questions

Sometimes a question gets asked, someone takes the time to respond, but the answer never receives any votes. Sometimes those answers can be quite good, and it would be nice to reward those answers ...
19 views

### Migration targets from meta are filtered badly

I was trying to (mod-)migrate a question here on meta.cs.SE to meta.SE. But what I got was this eclectic selection of possible targets: Note how most Metas are missing, meta.SE -- arguably the ...