Forms :: Find Duplicates In Arrays And Count Them
Dec 23, 2009
This is my problem: I have an array with dates in it and I want a list with the dates and how much that date is sequel to the amount of that dates in the array.
This is my code so far:
arrsVerschillendeDagen(iTellerke) is declared on moduleniveau
arriMaand(iTellerke) is declared on moduleniveau
arriJaar(iTellerke) is declared on moduleniveau
I have a subroutine too that redimension my arrays.
Private Sub FillArray()
For iCounter As Integer = 0 To arriDag.Length - 1
arrsVerschillendeDagen(iCounter) = arriDag(iCounter) & "/" & arriMaand(iCounter) & "/" & arriJaar(iCounter)
Next
'result: 14/10/2009, 20/12/2009, 20/12/2009, 14/12/2009, 14/12/2009, 14/12/2009
[Code] .....
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Sep 29, 2010
I have an multi dimed array of stock sizes, material type and count. The array could have duplicate arrays. In the end I need an array that is condensed with no duplicate and the count field is how many there were in the array.
Example:
Original array
Material: STL TUBG Stock Size: 3" X 3" X 0.250" W/T X 254MM
Material: STL TUBG Stock Size: 3" X 3" X 0.250" W/T X 254MM
Material: STL TUBG Stock Size: 3" X 3" X 0.250" W/T X 254MM
Material: STL TUBG Stock Size: 3" X 3" X 0.250" W/T X 254MM
Material: STL TUBG Stock Size: 3" X 3" X 0.250" W/T X 102MM
Material: STL TUBG Stock Size: 3" X 3" X 0.250" W/T X 102MM
Material: HRS Stock Size: 1" X 4" X 175MM
Material: HRS Stock Size: 1" X 4" X 175MM
Material: HRS Stock Size: 1" X 4" X 175MM
Material: HRS Stock Size: 1" X 4" X 175MM
I need
Material: STL TUBG Stock Size: 3" X 3" X 0.250" W/T X 254MM Count: 4
Material: STL TUBG Stock Size: 3" X 3" X 0.250" W/T X 102MM Count: 2
Material: HRS Stock Size: 1" X 4" X 175MM count: 4
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Jan 25, 2010
I have a string array Array1 and a string array A2. I want to combine these in a 3rd array A3 but excluding duplicate values. Can this be done through lambda expressions or only through iterating through the array and checking array.Contains()?
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Jul 27, 2010
I have to check duplicate records in ArrayList. In ArrayList each item should have atleast 2 times before insert new Item. Per example
Example 1:
AL(0) = '1'
AL(1) = '1'
AL(2) = '2'
[Code]....
Method has to return = 'false', because '2' has 1 time in the list. So I dont
want insert '3' in ArrayList and return false.
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Mar 23, 2012
I have a huge unsorted array of strings like
vector = {"2421024141", "325216182","2463112099","2416997168","11114721047","4116940195","1191138134","231244164123 ",..........}
[code].....
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Oct 28, 2011
I have searched high and low for a solution yet still no luck, I have two arraylists populate with FileInfo and I want to compare the two and write the duplicate (matching files) to a listbox.Here is how I have populated the arraylists but in terms of the comparison I have not found anything that works:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim arraylist1 As ArrayList
Dim arraylist2 As ArrayList
[code]....
What can I do next to compare the two and write the duplicates to ListBox1.
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Mar 25, 2012
I am trying to find duplicates in a string. The code works more than I would. The purpose is to create a jagged array with values and positions like this one:
myString = "1123464263948465475965069068547363532627281901"
jagged= {{{1},{0,1,42,45}},{{2},{2,7,36,38,40}},{{3},{3,9,31,33,35}},{{4},{4,6,11,13,16,29}},.........}
Value Positions
1 0,1,42,45
2 2,7,36,38,40
3 3,9,31,33,35
4 4,6,11,13,16,29 ......... and so on with unique keys and multiple or not values.
My code do this, but looping all over the string there a moment when it repeats values and positions, because already found them earlier. How do I make to keep just the UNIQUES? How do I skip the loop when the value is already in?
My code below
Public Class Form1
Public myString As String = " "
Public jagged()() As Integer
Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
myString = "1123464263948465475965069068547363532627281901"
jagged = New Integer(myString.Length - 1)() {}
[Code] .....
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Jun 27, 2012
I have a customers List(of String) on which I am trying to find the duplicate customers.[code]...
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Feb 15, 2012
i want to compare the two data table columns and find duplicates for example
dataTable1
autoid ponbr polinenbr quantity
1 0001 10 5
2 0002 12 6
[code]....
in the above two dataTable i would like to compare the ponbr and polinenbr column and find the duplicates and get the autoid..
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Feb 22, 2012
I'm creating an application that creates a list of 20 ramdomly selected numbers within an array and displaying those numbers in a listbox. I then need to display the duplicate numbers in an adjacent listbox by clicking the find duplicates button. How would I be able to access those 20 numbers in order to find the duplicates?
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Feb 8, 2009
I am tring to find the Average Temp for the days entered,and I am not sure how to do this.Here is the code I have so far:
Public Class Form1
Dim Temp(6) As Single
[code].....
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Jul 29, 2011
How to find the number of horizontal rows in a 2D array ?
I have :
Dim i(,) As Integer = {{2, 5, 6, 7}, {32, 5, 4, 2}}
Find the number of rows in i ?
For example :
// Here, array i has 2 sets of data i.e. 2 rows
// set1 = {2,5,6,7} and set2 = {32,5,4,2}
// So, I want the number of sets i.e 2 in this case !
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Dec 23, 2011
Find common values in multiple arrays with PHP Pretty much does what I need, but in PHP, I need VB. My situation is I am trying to create an intelligent stock pick system based on multiple stock locations. At the point of invoicing, we loop through the items invoiced and check the stock database for available stock.
If all items on the invoice are available to pick from stock location 1, then all should be picked from stock location 1... etc. If all most items are available from stock location 1 except one or two, then pick all stock from stock location 1 except for the exceptions which should be picked from the location with the highest available stock. Finding highest available stock is simple, but I can't work out how to analyse the stock availability from multiple locations and finding the common stock locations.
[Code]...
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Apr 11, 2010
How to find a matching pair of values in two different arrays? Here's the scenario:
Index Array1 Array2
0 1 3
1 2 5
[code].....
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Jul 7, 2011
I have a List (Of String()). I wish to find the count of the 3 item in each string array in the list. Is there an easy way to find it using linq?
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May 29, 2010
I am new to vb.net. I am currently programming Space Invaders. Firstly i have two forms What is code for linking form 1 to form 2?
[Code]...
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Jul 28, 2010
I have a class having 2 properties (both integers) and storing class into List collection.[code]Here I need return "TRUE". (values in "GroupNo" is not static and not in sort).How can we do that in vb.net?
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Jul 28, 2010
have a class having 2 properties (both integers) and storing class into List collection.
Public Class GroupSelect
Public Property RowNo() As Integer
Get
[Code].....
Here I need return "TRUE". (values in "GroupNo" are not static and not in sort).
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Apr 27, 2012
Protected Sub invokePagination(ByVal table As DataTable)
'CallPagination() As PagingControlDTO
If table.Rows.Count > 0 Then
Me.DataGridPaging1.Visible = True
[code].....
The code which is underlined is to be replaced.Instead of this I want to use column name to get the total count , since it contain the total count.Column Name is "TOTALROWCOUNT"
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Apr 2, 2010
I have a table with the below structure.
ID VALUE
1 3.2
2 NULL
4 NULL
5 NULL
7 NULL
10 1.8
11 NULL
12 3.2
15 4.7
17 NULL
22 NULL
24 NULL
25 NULL
27 NULL
28 7
I would like to get the max count of consecutive null values in the table.
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Aug 9, 2010
I am learning Linq, so bear with me. I have a class object that holds 4 other class objects with each holding a List(Of T) of the next. Think tiered classes. As these lists as built I need to search all the Group2 for all Group3 to see which Group3.units.count is the largest. "units" being a List(Of T). [code]
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Nov 1, 2010
I am new to vb.net. I am currently programming Space Invaders. Firstly i have two forms What is code for linking form 1 to form 2?
Secondly i have coded and tried to understand arrays. I currently Have
Private Sub tmrUFO_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tmrUFO.Tick
[code].....
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Oct 26, 2010
I want to access my arrays from many child forms. Where should my arrays and declarations be? and what is the code to access them?
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Dec 22, 2009
I am trying to design a basic version of spaceinvaders. I have 6 pictureboxes on my form and the idea is to add a value to the picbox.top property that moves the boxes down at a certain time and speed that i have set in my timer control. The problem i have is i am trying to set properties for all the pictureboxes at the same time by using arrays.
An example would be
dim mypic() as picturebox = {pic1, pic2, pic3, pic4, pic5, pic6}
pic1.top = 10
[code].....
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Apr 22, 2010
I'm currently building a program where there are two list box's and a button to copy the selected array item in listBox1 to listBox2 in a separate array.[code]
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Feb 25, 2009
I am having some trouble with some data I want to display on a form. The data is in a 2-D array, call it myarray(x,y). My attempts to display it have so far not worked. Similarly, I also need to read this data from the form back into an array for further calculations.
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Jul 9, 2011
I have a very simple 2D array, it holds a list of song titles, their genre, and their runtime. frmMain loads the array from a text file and allows me to manipulate it and boil it down to a desired (implicitly sized) playlist. i want to THEN pass that playlist array to a second form, frmPlaylist The problem i'm running into....When frmPLaylist calls the Property from frmMain I receive an error that VB cannot convert the string value to a two dimensional array. Simplified...frmPlaylist is all locked and ready to receive a 2D array, but frmMain seems to only be sending a single string variable. on frmMain
Public ReadOnly Property PlaylistOut() As String
Get
Return mstrTimedPlaylist(,)
[code].....
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Dec 7, 2010
I have a Windows form that has a datagridview on it. I populate it with records from a database. I have a checkbox on each row. Then I have a textbox on the form outside of the datagridview. Each time a checkbox is checked I want to count it and show it in the text box. Each time a checkbox is unchecked I want it to subtract the count.
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May 6, 2010
basic question which i cant figure out is i have a listbox and i total up all the values in it and send it to a text box. but in the listbox i cant have more than 10 items in it i at the moment have a message box telling me how many items i have in the listbox which is simply MsgBox(ListBox2.Items.Count()) when the 10th item is entered i need it to not allow me to enter anymore so i know it needs to go 0-9 but not sure how to implement it.
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Oct 5, 2009
I have an array of items where i have separated the first two characters, which in my case are ID tags. I have populated my CLBox and the output is like this
AA
Aa
BB
[Code]...
What would the process be to do this, would i need to create a reference list or stringbuilder for all the tags(there is about 3000 tags) or would it be possible to loop through and count the matches. I declared the Tags thinking that i could do something from there.
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