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Results tagged with array
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user 21200
An array is an ordered data structure consisting of a collection of elements (values or variables), each identified by one (single dimensional array, or vector) or multiple indexes.
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1
answer
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Retrieve all parents, all possible children, sorted and with their "depth"
I have a model section with a column parent_id - the only thing identifying a parent/child relationship. I wrote a helper method to output all sections, all their possible subsections and include thei …
- 171
1
vote
Accepted
Retrieve all parents, all possible children, sorted and with their "depth"
The 'pipe' (|) is a different array merge operator which appends what's to the right of it onto the end of the array on the left. … This is because I inadvertently built an array of arrays, each containing 1 hash. What I wanted was an array of hashes. Much easier retrieval now! …
- 171