contains – IT Nursery

Check if a value exists in ArrayList

May 31, 2022 by IT Nursery

How can I check if a value that is written in scanner exists in an ArrayList? List<CurrentAccount> lista = new ArrayList<CurrentAccount>(); CurrentAccount conta1 = new CurrentAccount(“Alberto Carlos”, 1052); CurrentAccount conta2 = new CurrentAccount(“Pedro Fonseca”, 30); CurrentAccount conta3 = new CurrentAccount(“Ricardo Vitor”, 1534); CurrentAccount conta4 = new CurrentAccount(“João Lopes”, 3135); lista.add(conta1); lista.add(conta2); lista.add(conta3); lista.add(conta4); Collections.sort(lista); System.out.printf(“Bank … Read more

Search for “does-not-contain” on a DataFrame in pandas

May 25, 2022 by IT Nursery

I’ve done some searching and can’t figure out how to filter a dataframe by df[“col”].str.contains(word) however I’m wondering if there is a way to do the reverse: filter a dataframe by that set’s compliment. eg: to the effect of !(df[“col”].str.contains(word)) Can this be done through a DataFrame method? 8 Answers 8

LIKE vs CONTAINS on SQL Server

May 21, 2022 by IT Nursery

Which one of the following queries is faster (LIKE vs CONTAINS)? SELECT * FROM table WHERE Column LIKE ‘%test%’; or SELECT * FROM table WHERE Contains(Column, “test”); 4 Answers 4

How to check if a string contains text from an array of substrings in JavaScript?

May 21, 2022 by IT Nursery

Pretty straight forward. In javascript, I need to check if a string contains any substrings held in an array. 24 Answers 24

Check if item is in an array / list

May 19, 2022 by IT Nursery

If I’ve got an array of strings, can I check to see if a string is in the array without doing a for loop? Specifically, I’m looking for a way to do it within an if statement, so something like this: if [check that item is in array]: 5 Answers 5

How to check that an element is in a std::set?

May 7, 2022 by IT Nursery

How do you check that an element is in a set? Is there a simpler equivalent of the following code: myset.find(x) != myset.end() 11 Answers 11

How do I check if string contains substring? [duplicate]

April 14, 2022 by IT Nursery

This question already has answers here: How to check whether a string contains a substring in JavaScript? (3 answers) Closed 4 years ago. I have a shopping cart that displays product options in a dropdown menu and if they select “yes”, I want to make some other fields on the page visible. The problem is … Read more

Determine whether an array contains a value [duplicate]

April 13, 2022 by IT Nursery

This question already has answers here: How do I check if an array includes a value in JavaScript? (56 answers) Closed 5 years ago. I need to determine if a value exists in an array. I am using the following function: Array.prototype.contains = function(obj) { var i = this.length; while (i–) { if (this[i] == … Read more