Category "list"

How to sort a List<Object> alphabetically using Object name field

I have a List of Objects like List<Object> p.I want to sort this list alphabetically using Object name field. Object contains 10 field and name field is o

How can I get subList of a List in Apex Salesforce?

I have got a list of SObjects having N number of items/sObjects SObject[] sList = [sobject1, sboject2, sboject3, ........ , sobjectN] How can I get just 10 it

Find numbers in Python list which are within a certain distance of each other

I have a list of numbers in Python. It looks like this: a = [87, 84, 86, 89, 90, 2014, 1000, 1002, 997, 999] I want to keep all the numbers which are within

Android app - delete item from list following an action in another activity

I'm creating an app where I display a list of pending challenges. When the user clicks on a challenge, he can accept it or ignore it. Here's what I want to do

Fastest way to search Nested List<> in C#

I have a List<> which contains another List<> I need to find if a given value is present in any of the items in the innermost list. If match found,

convert csv file to list of dictionaries

I have a csv file col1, col2, col3 1, 2, 3 4, 5, 6 I want to create a list of dictionary from this csv. output as : a= [{'col1':1, 'col2':2, 'col3':3}, {'

Extract subarray between certain value in Python

I have a list of values that are the result of merging many files. I need to pad some of the values. I know that each sub-section begins with the value -1. I am

Assigning empty list

I don't really know how I stumbled upon this, and I don't know what to think about it, but apparently [] = [] is a legal operation in python, so is [] = '', but

How do I initialize a two-dimensional List statically?

How can I initialize a multidimensional List statically? This works: List<List<Integer>> list = new ArrayList<List<Integer>>(); But

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