StackOverflow2013

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plurals

PO
primarykey
Id
11326709
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
1
CommunityOwnedDate
CreationDate
2012-07-04T09:57:16.357
FavoriteCount
0
LastActivityDate
2012-07-05T07:40:08.093
LastEditDate
2012-07-05T07:40:08.093
LastEditorUserId
215380
OwnerUserId
215380
ParentId
11326478
PostTypeId
2
Score
0
ViewCount
0
LastEditorDisplayName
text
Body
<strike>Without writing all your code for you, here's a suggestion as to how you can break this down:</strike> <pre><code>char DecrementAlphaNumericChar(char input, out bool hadToWrap) { if (input == 'A') { hadToWrap = true; return 'Z'; } else if (input == '0') { hadToWrap = true; return '9'; } else if ((input > 'A' && input <= 'Z') || (input > '0' && input <= '9')) { hadToWrap = false; return (char)((int)input - 1); } throw new ArgumentException( "Characters must be digits or capital letters", "input"); } char DecrementAvoidingProhibited( char input, List<char> prohibited, out bool hadToWrap) { var potential = DecrementAlphaNumericChar(input, out hadToWrap); while (prohibited.Contains(potential)) { bool temp; potential = DecrementAlphaNumericChar(potential, out temp); if (potential == input) { throw new ArgumentException( "A whole class of characters was prohibited", "prohibited"); } hadToWrap |= temp; } return potential; } string DecrementString(string input, List<char> prohibited) { char[] chrs = input.ToCharArray(); for (int i = chrs.Length - 1; i >= 0; i--) { bool wrapped; chrs[i] = DecrementAvoidingProhibited( chrs[i], prohibited, out wrapped); if (!wrapped) return new string(chrs); } return "-"; } </code></pre> The only issue here is that it will reduce e.g. <code>A10</code> to <code>A09</code> not <code>A9</code>. I actually prefer this myself, but it should be simple to write a final pass that removes the extra zeroes. For a little more performance, replace the <code>List<char></code>s with Hashset<code><char></code>s, they should allow a faster <code>Contains</code> lookup.
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POLogic to decrease character values
 singulars
 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USRawling
UserOwnerUserId
1. USRawling
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. This table or related slice is empty.
VotesPostIdCreationDate
1. This table or related slice is empty.
CommentsPostId
1. COnice, suggestion, I will have to apply this and check out for a work around for the last pointer of yours
 singulars
 PostPostId
 PO
 UserUserId
 USvaibhav

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