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问题 Let's say I have two dimensional array that represents simple matrix int[,] matrix= new int[,] { { 1, 2 }, { 3, 4 }, { 1, 2 }, { 7, 8 } }; It looks like that 1 2 3 4 1 2 7 8 Is there any way to delete duplicate rows using LINQ and make array to look like this? 1 2 3 4 7 8 回答1: This is not really Linq, but you can define some helper method as if they were Linq methods. The simpler algorithm should be: Convert to a list of list Apply a distinct with a custom comparer Rebuild another array This

问题 Let's say I have two dimensional array that represents simple matrix int[,] matrix= new int[,] { { 1, 2 }, { 3, 4 }, { 1, 2 }, { 7, 8 } }; It looks like that 1 2 3 4 1 2 7 8 Is there any way to delete duplicate rows using LINQ and make array to look like this? 1 2 3 4 7 8 回答1: This is not really Linq, but you can define some helper method as if they were Linq methods. The simpler algorithm should be: Convert to a list of list Apply a distinct with a custom comparer Rebuild another array This

问题 I'm struggling with a query where I need to SUM DISTINCT Rows. There has to be a way to do this... but I'm lost. Here's what I've got: SELECT DISTINCT Zipcodes.CountyID, us_co_est2005_allData.PopEstimate2005, us_co_est2005_allData.EstimatesBase2000, users_link_territory.userID FROM Zipcodes Inner Join Users_link_territory ON zipcodes.CountyID = Users_link_territory.CountyID Inner Join us_co_est2005_alldata ON zipcodes.FIPS = us_co_est2005_alldata.State AND zipcodes.code = us_co_est2005

问题 I am having trouble figuring out how to create a sorting algorithm in VBA that sorts and swaps groups of rows (several rows at a time). I wrote a successful sorting algorithm using an array below: Function SortArray(ByRef arrToSort As Variant) Dim aLoop As Long, aLoop2 As Long Dim str1 As String Dim str2 As String For aLoop = 1 To UBound(arrToSort) For aLoop2 = aLoop To UBound(arrToSort) If UCase(arrToSort(aLoop2)) < UCase(arrToSort(aLoop)) Then str1 = arrToSort(aLoop) str2 = arrToSort(aLoop2

问题 This question already has answers here : Box Shadow on table row not appearing on certain browsers (8 answers) Closed 3 years ago . How do you add box-shadow to a CSS table row? Adding box-shadow: 2px 2px 2px #888888 to the element table-row in the code below does nothing and only works on the table element or the table-cell element: .table { display: table; background-color: #ffffff; } .row { display: table-row; box-shadow: 2px 2px 2px #888888; } .cell { display: table-cell; width: 100px; }

问题 I am trying to create a query that pulls all customer info from our database, but because there are often multiple contact persons behind 1 company, I get the same company listed in multiple rows. I would like to have each company only show up in 1 row and place additional contact persons in new columns instead, Current results: Company | Contact person ------------------------------- Company 1 | Alex Company 1 | Tom Company 2 | James Company 2 | Andy Desired results: Company | Contact person

问题 Let's say I have this data: Earn Earn Cum. 13-Apr - - 14-Apr 48 48 15-Apr 257 305 16-Apr 518 823 17-Apr 489 1,312 18-Apr 837 2,149 19-Apr 1,005 3,154 20-Apr 1,021 4,175 21-Apr 1,463 5,638 22-Apr 2,630 8,268 23-Apr 2,993 11,261 24-Apr 3,354 14,615 25-Apr 4,332 18,947 26-Apr 4,885 23,832 27-Apr 4,514 28,346 28-Apr 4,356 32,702 29-Apr 4,824 37,526 30-Apr 7,082 44,608 1-May 6,091 50,699 2-May 1,407 52,106 When a date is selected in a dropdown slicer for example: 1-May I'd like to sum the rows 1

问题 I'm designing a data submission spreadsheet with 12 rows of data (currently row 22 to 33). Rows 34 to 42 are filled with text. I'd like to add a new row (row 34) below row 33 if more than 12 data sets are to be entered, with the same format as row 33, using a macro assigned to a button. That's easy, but if I need another new row (now row 35) below row 34, I need a code is flexible to do that; mine always adds the new line below row 33, not below the last row of the data entry set. How do I do

问题 I'm designing a data submission spreadsheet with 12 rows of data (currently row 22 to 33). Rows 34 to 42 are filled with text. I'd like to add a new row (row 34) below row 33 if more than 12 data sets are to be entered, with the same format as row 33, using a macro assigned to a button. That's easy, but if I need another new row (now row 35) below row 34, I need a code is flexible to do that; mine always adds the new line below row 33, not below the last row of the data entry set. How do I do

问题 It's already been confirmed that it's not possible to add a box-shadow to a display:table-row element in a way that's compatible with all the major browsers. For reasons that boggle my mind, a row cannot be styled as a group, which means you can't add a box-shadow to an entire row in a display:table and can only add it to the individual display:table-cell elements, which then creates vertical shadowing in-between cells which I don't want. So how can I mimic a table whereby the width of the