Category "list"

How to split the elements in a list according to range of numbers in flutter

Am working on a project and I need to break down a list to a new list eg I need to break down this kind of list [{ name: rice, quantity: 87, price: 8700}, {name

How to copy list values to another list in flutter

I am trying to copy values of one list to another, I use three buttons 1st one to append a value to mylist, second one to clear the mylist, 3rd button to copy v

Print cubes of the numbers 1 through 10 only if the cube is evenly divisible by four

Is everything right with code_cademy here ? cubes_by_four = [x*x*x for x in range(1,10) if (x*x*x) % 4 == 0] for x in cubes_by_four: print x They are

Insert element at the beginning of the list in dart

I am just creating a simple ToDo App in Flutter. I am managing all the todo tasks on the list. I want to add any new todo tasks at the beginning of the list. I

Find matching values in a list of lists

I'm trying to iterate over a list of lists in python 2.7.5 and return those where the first value is found in a second list, something like this: #python 2.7.5

Flutter Horizontal List View Dot Indicator

I have multiple images each with their own redirect link. Currently this works fine at displaying using a list view build to display the images inside a gesture

Split a list into sub-lists based on index ranges

How do I split a list into sub-lists based on index ranges? e.g. original list: list1 = [x,y,z,a,b,c,d,e,f,g] using index ranges 0–4: list1a = [x,y,z,a,b

What is a Dummy Head?

So I want to know for sure what is a dummy head/dummy node in a linked list. Can somebody tell me the definition and give me an example maybe?

IEnumerable vs List - What to Use? How do they work?

I have some doubts over how Enumerators work, and LINQ. Consider these two simple selects: List<Animal> sel = (from animal in Animals

Union two list by property

I would like to merge two list without duplicates. It should distinct only by one property. I have a class: public class Test { public int Id { get; set;

How do I change all negative numbers to zero in python?

I have one list list1 = [-10,1,2,3,9,-1] I want to change the negative number to zero so that it looks like list1 = [0,1,2,3,9,0] how can I do it

How to return dictionary keys as a list in Python?

In Python 2.7, I could get dictionary keys, values, or items as a list: >>> newdict = {1:0, 2:0, 3:0} >>> newdict.keys() [1, 2, 3] Now, in