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Recent questions tagged Pattern
0
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pattern matching - Should a reference to an enum be dereferenced before it is matched?
As a newcomer to Rust, I've stumbled upon two apparently valid ways of running a match on a reference ... were matching more complex objects? See Question&Answers more detail:os...
asked
Oct 24, 2021
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pattern
0
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478
views
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answer
pattern matching - SQL select where column begins with
I'm trying to find all the data in ColumnX where the Data begins with a . Is like '\%' what I'm looking for? But the has to be at the beginning. See Question&Answers more detail:os...
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Oct 24, 2021
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pattern
0
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pattern matching - Python, how to implement something like .gitignore behavior
I need to list all files in the current directory (.) (including all sub directories), and exclude some files ... of my "ignore_files"? Thanks! See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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pattern
0
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320
views
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answer
pattern matching - Regex to match simple domain
I am trying to match a simple domain: example.com But all combinations of it. How would I do this to cover: ... com http://www.example.com etc. See Question&Answers more detail:os...
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Oct 24, 2021
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pattern
0
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375
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pattern matching - Can a range be matched in Scala?
Is it possible to match a range of values in Scala? For example: val t = 5 val m = t match { 0 until ... any way to achieve something like it? See Question&Answers more detail:os...
asked
Oct 24, 2021
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71.8m
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pattern
0
votes
466
views
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answer
pattern matching - How to suppress "match is not exhaustive!" warning in Scala
How can I suppress the "match is not exhaustive!" warning in the following Scala code? val l = "1" :: ... I can safely suppress the warning. See Question&Answers more detail:os...
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Oct 24, 2021
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pattern matching - How to match over self in an enum?
I have an enum: enum Expr { Lit(u32), Var(Id), Ass(Id, u32), Add(u32, u32), Sub(u32, u32), Mul(u32, ... I have no idea how to do this properly. See Question&Answers more detail:os...
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Oct 24, 2021
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pattern
0
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403
views
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answer
pattern matching - How to generate a number sequence in file using vi or Vim?
Is there a way to generate a number sequence in vi or Vim? For example, for an arbitrary range of lines i ?through ... , but it is not the same. See Question&Answers more detail:os...
asked
Oct 17, 2021
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406
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pattern matching - Can I match a data constructor wildcard in Haskell?
I have data Foo = X (String, Int) | A String | B String | C String | D String -- ... and ... to match a data constructor wildcard in Haskell? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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pattern
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556
views
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pattern matching - How do I create a Rust macro with optional parameters using repetitions?
I'm currently looking into Rust macros and I can not find any detailed documentation on repetitions. I would like ... get this example to work? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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pattern matching - notepad++ Inverse Regex replace (all but string)
I essentially wish to match every line that DOES NOT contain this string "Hello" Example: sdfsdoifdoskf ... hello" using notepad++ See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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pattern
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