query: How to get the first element of the List or Set?
positive_passages.docid: 145986
positive_passages.text: Java: Get first item from a collection
negative_passages.docid: 94697
negative_passages.text: Grouping the first two elements in a list of ordered triples
negative_passages.docid: 83303
negative_passages.text: python - get list of tuples first index?
negative_passages.docid: 18194
negative_passages.text: Return first digit of an integer
negative_passages.docid: 155761
negative_passages.text: Retrieving the Min element in a stack in O(1) Time
negative_passages.docid: 43601
negative_passages.text: Find the first occurrence/starting index of the sub-array in C#
negative_passages.docid: 7153
negative_passages.text: How to get first N elements of a list in C#?
negative_passages.docid: 75212
negative_passages.text: How to get the first non-null value in Java?
negative_passages.docid: 92688
negative_passages.text: Python: Determine if an unsorted list is contained in a 'list of lists', regardless of the order to the elements
negative_passages.docid: 45087
negative_passages.text: Python idiom to return first item or None
negative_passages.docid: 146899
negative_passages.text: How can I check that a list has one and only one truthy value?
negative_passages.docid: 40863
negative_passages.text: Is there a NumPy function to return the first index of something in an array?
negative_passages.docid: 133522
negative_passages.text: How to change a set element?
negative_passages.docid: 113191
negative_passages.text: How to get the index of an element in an IEnumerable?
negative_passages.docid: 66620
negative_passages.text: How do I get the number of elements in a list?
negative_passages.docid: 1937
negative_passages.text: How to find the index of an element in an array in Java?
negative_passages.docid: 52869
negative_passages.text: Find the most common element in a list