Data Transformation interview questions

1. A.a routine that returns a boolean indicating whether its input meets some condition
2. B.applying a routine to every element of a collection to produce a new collection of the same length
3. C.collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator
4. D.the general operation that walks a structure carrying an accumulator, of which left and right variants differ in association order

Answer + AI explanation with Pro

1. A.Reduce
2. B.Filter
3. C.Fold
4. D.Map

Answer + AI explanation with Pro

1. A.Map — a routine that returns a boolean indicating whether its input meets some condition
2. B.Map — applying a routine to every element of a collection to produce a new collection of the same length
3. C.Map — collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator
4. D.Map — selecting the elements of a collection that satisfy a predicate to produce a shorter new collection

Answer + AI explanation with Pro

1. A.selecting the elements of a collection that satisfy a predicate to produce a shorter new collection
2. B.collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator
3. C.applying a routine to every element of a collection to produce a new collection of the same length
4. D.the general operation that walks a structure carrying an accumulator, of which left and right variants differ in association order

Answer + AI explanation with Pro

1. A.Reduce
2. B.Filter
3. C.Map
4. D.Fold

Answer + AI explanation with Pro

1. A.Filter — collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator
2. B.Filter — selecting the elements of a collection that satisfy a predicate to produce a shorter new collection
3. C.Filter — applying a routine to every element of a collection to produce a new collection of the same length
4. D.Filter — a routine that returns a boolean indicating whether its input meets some condition

Answer + AI explanation with Pro

1. A.applying a routine to every element of a collection to produce a new collection of the same length
2. B.selecting the elements of a collection that satisfy a predicate to produce a shorter new collection
3. C.a routine that returns a boolean indicating whether its input meets some condition
4. D.collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator

Answer + AI explanation with Pro

1. A.Reduce
2. B.Filter
3. C.Fold
4. D.Map

Answer + AI explanation with Pro

1. A.Reduce — applying a routine to every element of a collection to produce a new collection of the same length
2. B.Reduce — the general operation that walks a structure carrying an accumulator, of which left and right variants differ in association order
3. C.Reduce — selecting the elements of a collection that satisfy a predicate to produce a shorter new collection
4. D.Reduce — collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator

Answer + AI explanation with Pro

1. A.collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator
2. B.selecting the elements of a collection that satisfy a predicate to produce a shorter new collection
3. C.the general operation that walks a structure carrying an accumulator, of which left and right variants differ in association order
4. D.a routine that returns a boolean indicating whether its input meets some condition

Answer + AI explanation with Pro

1. A.Fold
2. B.Filter
3. C.Predicate
4. D.Map

Answer + AI explanation with Pro

1. A.Fold — selecting the elements of a collection that satisfy a predicate to produce a shorter new collection
2. B.Fold — the general operation that walks a structure carrying an accumulator, of which left and right variants differ in association order
3. C.Fold — a routine that returns a boolean indicating whether its input meets some condition
4. D.Fold — collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator

Answer + AI explanation with Pro

1. A.the general operation that walks a structure carrying an accumulator, of which left and right variants differ in association order
2. B.a routine that returns a boolean indicating whether its input meets some condition
3. C.selecting the elements of a collection that satisfy a predicate to produce a shorter new collection
4. D.collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator

Answer + AI explanation with Pro

1. A.Filter
2. B.Predicate
3. C.Reduce
4. D.Fold

Answer + AI explanation with Pro

1. A.Predicate — collapsing a collection into a single accumulated value by repeatedly combining elements with an accumulator
2. B.Predicate — a routine that returns a boolean indicating whether its input meets some condition
3. C.Predicate — applying a routine to every element of a collection to produce a new collection of the same length
4. D.Predicate — the general operation that walks a structure carrying an accumulator, of which left and right variants differ in association order

Answer + AI explanation with Pro