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Java 2022-03-28 03:35:55
Java
//create ArrayList ArrayList<String> arrayList = new ArrayList<String>(); //add item to ArrayList arrayList.add("item"); //check if ArrayList contains item (returns boolean) System.out.println(arrayList.contains("item")); /... Add solution -
C# 2022-03-24 11:35:43
c# linq aggregate string builder
string[] words = { "one", "two", "three" }; var res = words.Aggregate( "", // start with empty string to handle empty list case. (current, next) => current + ", " + next); Console.WriteLine(res); Add solution -
Python 2022-03-21 13:20:10
python list comprehension multiple for
""" List comprehension goes through the loops in the order you'd expect. Outer loops (first loops) are executed first, then inner loops. """ numbers = [1, 2, 3, 4, 5] letters = ['a', 'b', 'c', 'd', 'e'] list_comprehension =... Add solution -
Java 2022-03-19 23:40:39
java search arraylist
//create ArrayList ArrayList<String> arrayList = new ArrayList<String>(); //add item to ArrayList arrayList.add("item"); //check if ArrayList contains item (returns boolean) System.out.println(arrayList.contains("item")); /... Add solution -
Python 2022-03-02 22:45:40
python convert list of lists of strings to int
# Example usage using list comprehension: # Say you have the following list of lists of strings and want integers x = [['565.0', '575.0'], ['1215.0', '245.0'], ['1740.0', '245.0']] list_of_integers = [[int(float(j)) for j in i] for i in x] print(list_of_... Add solution -
Python 2022-02-17 12:05:21
python split a string of tuples into a list of lists
# Basic syntax: import ast [list(elem) for elem in ast.literal_eval(your_string)] # Example usage: # Say you want to convert a string like: '(0,0,0), (0,0,1), (1,1,0)' # or like '((0,0,0), (0,0,1), (1,1,0))' # to a list of lists like: [[0, 0, 0], [0, 0, ... Add solution
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