list

How to create a map function in c++?

Say there is a list of integers [1,2,3,4,5] and a map function that multiplies each element with 10 and returns modified list as [10,20,30,40,50] , with out modifying the original list. How this can be done efficiently in c++. ...

Comparing Python nested lists

I have two nested lists, each nested list containing two strings e.g.: list 1 [('EFG', '[3,4,5]'), ('DEF', '[2,3,4]')] and list 2 [('DEF', '[2,3,4]'), ('FGH', '[4,5,6]')] I would like to compare the two lists and recover those nested lists which are identical with each other. In this case only ('DEF','[2,3,4]') would be returned. Th...

Python find list lengths in a sublist

I am trying to find out how to get the length of every list that is held within a particular list. For example: a = [] a.append([]) a[0].append([1,2,3,4,5]) a[0].append([1,2,3,4]) a[0].append([1,2,3]) I'd like to run a command like: len(a[0][:]) which would output the answer I want which is a list of the lengths [5,4,3]. That com...

Calculating Area of Irregular Polygon in C#

Hi peeps I've managed to write a 'for dummies' how to calculate the area of irregular polygon in C#, but I need it to be dynamic for any amount of verticies. Can someone please help? Class: public class Vertex { private int _vertexIdx; private double _coordX; private double _coordY; private double _coordZ; public...

How to create many lists on Android?

Hello Guys, sorry for this dumb question, but i am really stuck... the thing is i am trying to create a todo list application on android. I am stuck because at the moment I dont know the way to create many todo lists. I have created the GUI for one list, using listview. entries of the list are added by the user when running the appli...

Simple ArrayList question

I have this class: public class User { public User(String nickname, String ipAddress) { nickname = nickname.toLowerCase(); System.out.println(nickname + " " + ipAddress); } } And another class that creates an array containing User objects. class UserMananger { static User user; static User user2; ...

Flex4 List item double click event

Hi, I'm working with a custom List component in flex4. I've created a custom ItemRenderer and everything looks and works as i want, but i'm trying to get the double click event. I'm receiving key down and all other events, but not this one. I've enabled the double click on the List component doubleClickEnabled="true" and i've added ...

How to add more than 2 views to a view stack?

Hi, I have been having problems simply adding more than 2 views to the stack through the Dashcode GUI interface. I have seen how to do that programmatically, but is there a way to statically keep extra views within the stack? I am actually okay with using a different stack, but the problem there is that I have to add another browser ar...

Index of item in list when only part of the item is known

This is a follow-up on a previous question of mine regarding searching in lists of lists I have a list with pairs of values as lists in it. [['a',5], ['b',3], ['c',2] ] I know the first element of each pair but I don't know the second (it's the result of a calculation and stored in the list with the first element. I sorted the li...

List or ArrayList?(lots of items)

which one is more memory efficient? which one works faster with 1000000 items? is there anything better? ...

Add SPFolder in List Instance xml

I've create a custom list and included the basic pieces (schema.xml, list template,..) to package it as a .wsp. I have a list instance defined, but I would like to add some folders to the xml. I know you can add SPListItems using ..., but I'm not sure how to add an SPFolder. Ultimately I want to add some SPFolders to the list instance b...

Is there a background-width property in CSS?

I have a vertical menu using lists (li) and I've got it changing background color on hover. #limenu:hover {background-color:#000} However, I don't want the background to fill 100% width. Is there a way of setting the background width or creating a padding on both sides? ...

How to efficiently (performance) remove many items from List in Java?

I have quite large List named items (>= 1,000,000 items) and some condition denoted by <cond> that selects items to be deleted and <cond> is true for many (maybe half) of items on my list. My goal is to efficiently remove items selected by <cond> and retain all other items, source list may be modified, new list may be created - best way...

find extra, missing, invalid strings when comparing two lists in perl

List-1 List-2 one one two three three three four four five six six seven eight eighttt nine nine Looking to output one | one PASS two | * FAIL MISSING three | three PASS * | three FAIL EXTRA four | four PASS five |...

Custom NewForm.aspx not showing changes to DataFormWebPart

I've create a custom list with schema.xml, custom DefaultTemplates.ascx [copy of the DefaultTemplates.ascx render template "ListForm"], and custom variations of the NewForm.aspx, EditForm.aspx, and DispForm.aspx. I've hooked up the forms in the schema.xml and clicking "New" on the default AllItems view does go to NewPage.aspx as I would ...

Keeping a sorted list of elements, sorted by an attribute external to that element

I have a "manager" class maintaining a list of objects. Each Object has a certain "position", but this is not known to them, only the manager knows about this. The manager must assign each Object a position and maintain its list of Objects sorted according to this "external attribute". Note that an Object's position can change at any ti...

Sharepoint upgrade/migrate lists in production environment

Assume you deploy a Sharepoint solution, which consists of multiple WebParts and multiple Lists. Now in a later version of this solution, you want to extend/modify these lists, like add or remove columns. How do you deploy such changes to a production environment? Meaning, how do you apply these changes to a production environment where...

jQuery return the first match in a select list

I want to select the first option in a select list which matches a certain value, currently the last match is selected, like so: jQuery('.edit-item').click(function(){ var id = jQuery(this).attr('id'); var assignee = jQuery('#assignee-'+id).text(); jQuery('#edit-form-'+id+' select[name=item[responsible]]').val(assignee); re...

Searching List<Items> then change to List<ItemTypeA : Item>

Hi, I have this code and i need to be able to search through different lists of HierarchyItems and return a list of the correct type i.e. Hierarchy h = new Hierarchy(); //add a load of items of HierarchyItemA type; List<HierarchyItemA> results = h.Search("text"); CODE: public class Hierarchy { private List<HierarchyItem> items;...

Haskell: Zipping a list xs with every list in the list yss using partial applications and

Hey I'm just revising for my functional programming exam coming up on friday and I'm just working through exercises given by our lecturer. I've come across one which I neep a bit of help on: 6. a) Write a function that zips a given list xs with every list in a list yss of lists. Use partial applications and lambda expressions to the gre...