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How do I pass extra arguments to a Python decorator?
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168
Since you are calling the decorator like a function, it needs to return another function which...
Extract a substring according to a pattern
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Here are a few ways:
1) sub
sub(".*:", "", string)
## [1] "E001" "E002" "E003"
2) strsplit
sapply(strsplit(string, ":"), "[", 2)
## [1] "E001" "E002" "E003"
3) read.table
read.table(text = string, sep = ":", as.is = TRUE)$V2
## [1] "E001" "E002...
Select first row in each GROUP BY group?
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17 Answers
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Scala: what is the best way to append an element to an Array?
...repend it:
0 +: array :+ 4
should produce:
res3: Array[Int] = Array(0, 1, 2, 3, 4)
It's the same as with any other implementation of Seq.
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How to generate a random string of a fixed length in Go?
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11 Answers
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Modulo operation with negative numbers
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12 Answers
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Select multiple records based on list of Id's with linq
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214
You can use Contains() for that. It will feel a little backwards when you're really trying to ...
Format floats with standard json module
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14 Answers
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How to spyOn a value property (rather than a method) with Jasmine
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