Zero-filled results for unused (but matching) rules
96826
Boost Spirit Qi: Omit element in Kleene Star parser
29985
How do I get 0-padded numbers in {} (brace expansion)?
116714
How to treat rare / new items in the validation of a recommender system?
154473
How to ignore list elements when extracting with pattern matching
94203
Examples for almost-semirings without absorbing zero
113311
Can I make `find` return non-0 when no matching files are found?
150279
Hitting Standard Duplicate Rule
86240
Please add the ability to filter [Closed] questions out of my results
92885
FilterRules with pattern for name
130312
Why aren't hash values for "nothing" (empty) defined as all zeros?
152165
Why is there no function with a nonempty domain and an empty range?
97333
Are there specific rules to build expressions with or without articles?
149956
Adapting "Find and Replace" functionality to work with Patterns
140882
Proper way to detect empty/blank text
67938
Queries without Good Enough Plan Found
136284
Orderless pattern matching
26008
Why there is a unique empty set?