Results for “associative array”
Small, practical examples. Search by task or narrow things down below.
Calculate a cumulative sum for each position
C: Keep a running total and store each prefix result in a separate output array.
C✓ Tested
Calculate differences between adjacent readings
JavaScript: Slice off the first value and compare each remaining value with its predecessor.
JavaScript✓ Tested
Calculate differences between adjacent readings
TypeScript: Slice off the first value and compare each remaining value with its predecessor.
TypeScript✓ Tested
Check whether any item matches
JavaScript: some stops once a predicate succeeds.
JavaScript✓ Tested
Check whether any item matches
TypeScript: some stops once a predicate succeeds.
TypeScript✓ Tested
Check whether every item matches
JavaScript: every stops at the first failed predicate and returns true for an empty array.
JavaScript✓ Tested
Check whether every item matches
TypeScript: every stops at the first failed predicate and returns true for an empty array.
TypeScript✓ Tested
Collect repeated form field names
jQuery: serializeArray preserves multiple values as name-value records.
jQuery✓ Tested
Copy a range without changing the source
JavaScript: Array.slice returns a shallow copy of the selected half-open range.
JavaScript✓ Tested
Copy a range without changing the source
TypeScript: Array.slice returns a shallow copy of the selected half-open range.
TypeScript✓ Tested
Count a result even when it is empty or has one item
PowerShell: Wrap pipeline results in an array subexpression for consistent Count behavior.
PowerShell✓ Tested
Create independent rows in a matrix
JavaScript: Use a mapping function to create each row instead of sharing one array with fill.
JavaScript✓ Tested