Results for “Array traversal & selection”
Small, practical examples. Search by task or narrow things down below.
Count array elements
PowerShell: Count array elements using PowerShell 7.
PowerShell✓ Tested
Count the elements in an array
Bash Scripts: The array length form counts assigned elements, not characters in the first value.
Bash Scripts✓ Tested
Create a fixed-size array
Create a fixed-size array in a complete Rust program using the standard library.
Rust✓ Tested
Create an array of text values
PowerShell: Create an array of text values using PowerShell 7.
PowerShell✓ Tested
Declare a fixed-size array
Declare a fixed-size array using a complete Go program with explicit sample inputs.
Go✓ Tested
Enumerate the items of a JSON array
C#: Dispose JsonDocument after reading its elements.
C#✓ Tested
Expand a JSON array into rows
Iterate array elements using a table-valued function.
json_each✓ Tested
Expand an array into rows
Use WITH ORDINALITY to retain original element order.
unnest✓ Tested
Filter an array in place with a write index
C: Only retained values advance the write position.
C✓ Tested
Filter and transform an array
Keep active objects and extract their names.
filter✓ Tested
Find an array element
Use a bounded linear search over a C array.
C✓ Tested
Find the index of an array item
PowerShell: Array.IndexOf returns -1 when the requested item is absent.
PowerShell✓ Tested