c# - How to remove items from a List of Structs that exist in another List -

- 

public struct registryapp {     public string vendorname;     public string name;     public string version; }

i have 2 list<registryapp> hold applications installed on windows box. why two? have 1 list hold x86 applications , 1 hold x64 applications.

list<registryapp> x64apps64list = new list<registryapp>(); list<registryapp> x64apps32list = new list<registryapp>();

once 2 populated appropriate data retrieved registry, try following make sure there no duplicates. worked decently on list<string> not working list<registryapp>.

list<registryapp> listofallappsinstalled = new list<registryapp>();  ienumerable<registryapp> x86apps = x64apps32list.except(x64apps64list); ienumerable<registryapp> x64apps = x64apps64list.except(x64apps32list);  foreach (registryapp regitem in x86apps) {     if ((regitem.name != null) &&       (regitem.name.length > 2) &&       (regitem.name != ""))      {         listofallappsinstalled.add(regitem);     } }  foreach (registryapp regitem in x64apps)  {     if ((regitem.name != null) &&       (regitem.name.length > 2) &&       (regitem.name != ""))      {         listofallappsinstalled.add(regitem);     } }

any way pull off?

edited

to remove items list of structs exist in list can see solution provided cuong le here :

https://stackoverflow.com/a/12784937/1507182

by using distinct parameterless extension method on list type, can remove duplicate elements.

then, can optionally invoke tolist extension actual list duplicates removed.

static void main()     {     // list duplicate elements.     list<int> mylist = new list<int>();     mylist.add(1);     mylist.add(2);     mylist.add(3);     mylist.add(3);     mylist.add(4);     mylist.add(4);     mylist.add(4);      foreach (int value in mylist)     {         console.writeline("before: {0}", value);     }      // distinct elements , convert list again.     list<int> distinct = mylist.distinct().tolist();      foreach (int value in distinct)     {         console.writeline("after: {0}", value);     }     }

if answer has solved problem click accept solution button, doing others know solution.


Comments

Post a Comment

Popular posts from this blog

Perl - how to grep a block of text from a file -

-
it can in xml or text format. how in general grep block of text in perl? <track type="ws"> <range> <rangestart>0</rangestart> <rangeend>146.912</rangeend> <locationindex>0</locationindex> <propertyindex>0</propertyindex> </range> </track> <track type="ps" id="1"> <range> <rangestart>0</rangestart> <rangeend>146.912</rangeend> <locationindex>1</locationindex> <propertyindex>1</propertyindex> </range> </track> i want grep type="ps" , till </range> . one solution open file, read line line , match block. open(fh, "file.txt"); foreach $line (<fh>) { if ($line =~ m/type="cc"(.*?)<\/range>/) { print $1; } } but there more optimal solution without reading file line l
Read more

delphi - How to remove all the grips on a coolbar if I have several coolbands? -

-
Image
if set mycoolbar.fixedorder true,only grip on first band hidden. well,if use delphi 7 create vcl forms application,then put coolbar on , create 3 coolbans hold other controls,only grip , top coolbands can hidden setting mycoolbar.fixedorder:=true. i've uploaded picture make things clear. you got fixedorder property wrong. fixed property not allow bands rearranged if set true . setting property of coolbar true keep user changing bands order @ runtime, user can still move , resize bands. can give advice can do, actual solution problem, well, have wait answer. my advice use 3 coolbars in row , setting "fixedorder" property true , bandborderstyle bsnone . way grip hidden on of them. about property, it's not bug of ide, actual preference of property.
Read more

javascript - Animating array of divs; only the final element is modified -

-
this baffling me @ moment. i'm experienced programmer looking throw bit of surprise fiancee on countdown page our wedding. desired effect simulated confetti falling behind main page. setup follows: i have array of divs in javascript. each div absolutely positioned on page. have interval set updates every 50 or milliseconds. on each tick, run loop on array of divs, , calculations , update positions. problem problem having, however, though can see divs created, stored array, , modified (in case, each has slight randomized rotation) during initialization phase, once tick update position starts, div stored in whatever last slot of array gets position updated. tried hard-coding each div index testing purposes, strictly last element update position. upon printing current "left" , "top" style values each div before , after calculations shows value has been changed, no visible change noticeable. here's basic code: javascript var container;
Read more