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I can't tell you how many times I've seen a comment that simply says "+1 for [insert quote from answer]". Here are a few examples:

  1. Why do we have reinterpret_cast in C++ when two chained static_cast can do it's job?
  2. Why do we have reinterpret_cast in C++ when two chained static_cast can do it's job? (different comment)
  3. Regular cast vs. static_cast vs. dynamic_cast

Do comments like these contribute to the overall good of the stackoverflow community?

share|improve this question

marked as duplicate by Some Helpful Commenter, Josh Caswell, djechlin, Bart, Servy May 24 '13 at 18:27

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

22  
-1 because your face. – mikeTheLiar May 24 '13 at 18:28
5  
-1 because your mom. @mikeTheLiar +1 because your awesome. – Richard J. Ross III May 24 '13 at 18:32
21  
-1 not enough jquery – American Luke May 24 '13 at 18:33
4  
-1 because users can have comments match /^[+-]\d+$/ as many times as they'd like, and there's nothing you will ever be able to do about it. – Jack Maney May 24 '13 at 18:44
4  
I find it funny that every single comment on this page begins with either "+" or "-" – Joel May 24 '13 at 18:48
4  
-1 @Joel get out of here you contrary person! – Richard J. Ross III May 24 '13 at 18:49
5  
I sometimes see such comments used to draw attention to an important part of a long answer. In such cases, it may be appropriate to edit the answer to make the point stand out more so that the comment is no longer required. – hammar May 24 '13 at 18:52
4  
-1 What's with the serious comment @hammar? – American Luke May 24 '13 at 18:52
5  
@Joel: And then you go and break it... -1 – BoltClock's a Unicorn May 24 '13 at 18:53
8  
-1 @BoltClock'saUnicorn you put the number before the post text, silly. – Richard J. Ross III May 24 '13 at 18:58
6  
@Richard J. Ross III: I am a unicorn, I am not bound by absurd human conventions. -1 – BoltClock's a Unicorn May 24 '13 at 19:01
4  
+1 @BoltClock'saUnicorn Just because you're a unicorn doesn't mean you get to break the rules.... oh wait, it does. Can I join your club? – Richard J. Ross III May 24 '13 at 19:01
2  
I don't think there's anything particularly wrong with this post, but I voted to delete since it's a duplicate and the comments make it mostly noise compared to the other threads – Michael Mrozek May 24 '13 at 19:19
up vote 7 down vote accepted

The examples you have given don't add much to pretty much every user except for the answer poster - a bit of info so they know why they got a specific upvote (though not even that, on occasion).

Flag as "not constructive / off-topic".

share|improve this answer
9  
+1 for "Flag as 'not constructive / off-topic'." – Servy May 24 '13 at 18:21
9  
+1 such comments are only noise. – juergen d May 24 '13 at 18:22
9  
+1 for bla bla bla – Bart May 24 '13 at 18:23
5  
+1 to community members to demonstrate what comments should be flagged. – Aditya May 24 '13 at 18:23
6  
+1 for plus one – ʞunɥdɐpɐɥd May 24 '13 at 18:25
14  
+42 for 5 +1 Comments and 3 actual upvotes. – Some Helpful Commenter May 24 '13 at 18:29
2  
+1 for +1 comments. +1ception – Zach Johnson May 24 '13 at 18:35
4  
+1 to downvoters who can't explain why they disagree. – Oded May 24 '13 at 18:40
4  
+½ since I'm late to the party – LittleBobbyTables May 24 '13 at 18:50
5  
+½ as a rounding value to prior comment – gnat May 24 '13 at 18:51
6  
-1 because you're probably using floating point anyway – Frédéric Hamidi May 24 '13 at 18:51
12  
+π just because – tombull89 May 24 '13 at 18:56
14  
+i this post is unreal – Double AA May 24 '13 at 20:07
3  
+e because it is all natural without preservatives or artificial colourings – user222137 May 24 '13 at 21:35
3  
C-C-C-C-COMBO BREAKER – meagar May 25 '13 at 2:13

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