Which of the Elementary Column Operations will not change the solution of SLE
Which of the elementary column transformations, (except for interchanging the columns), will not change the solution of the system of linear equations?I found a definiton:Definition 2.2.1 An elementary...
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Flutter Row not taking full Scaffold height
I am working on the skeleton of a tablet app with flutter and I am facing, probably a very simple issue, but it is getting tricky for me to figure out what is going on here.Basically the skeleton of...
View ArticlePolars - How to replace the value of a specific row and column in df (ex....
I know that Polars Expressions are column-wise parallelized for reading and calculating and input/change data in a DataFrame.So, it's very fast...However, I cannot find the Polars Expression that...
View ArticleHow to find a negative value in Excel using R? What is the function used?...
my aim is to find a negative value from an excel sheet and make it absolute value. I know the absolute function. I need R to locate negative values in my ExcelI tried range(data.clean$height_cm), it...
View ArticleCompressed Sparse Row Transpose
As you know we can write sparse matrices in compressed row storage (CRS) (or alternatively, compressed sparse row (CSR)).Let A be an m n matrix. The transpose of A is an n x m matrix A' such that for...
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Every second row in color when copying data from Table & Pivot Table in VBA
The following code is supposed to copy data from a Master workbook into separate workbooks.After copying, the headers in row 1 and 2 are in the style of the source data (which is good).However, the...
View ArticleRetrieving Rows Returned for a query from Redshift System Tables
Is there a query I can run against one of the system query log tables that will tell me how many records Redshift returned to the user for a particular query - ie. the final result set row count?I am...
View ArticleMFC: How to change color/boldness of inidividual rows of ListCtrl?
Using MFC and Visual Studio 2010 C++. I need a way to make certain individual rows of a CListCtrl stand out (however I do not want to use the built-in selection capability to highlight the rows). It...
View ArticleRowCallBack function for Jquery datatable coloring text and background with...
Need some light on this issue in the attached screenshot. If I entered fixed color value (ie #ffffff for both font and row background) it worked nicely.However, I want to use the value returned from...
View ArticleWrong values for SELECT * FROM 'XXX' in 2 different PHPmyadmin Versions
even after several hours of investigation i can't solve a big problem regarding different counts for table rows in PHPmyadmin. The shop on the old server is online, working. Our shop system never...
View ArticleWhy pivot table does not show identical rows from the initial table?
Why pivot table does not show identical rows from the initial table? My expectation is that the pivot table could show these in separate rows.The initial table has 100 rows and my pivot table (while...
View ArticleOpenPyXL Duplicate and populate row
I'm trying to copy a row, based upon cell value, and edit the 6th colmn value with the 'VAL' key values.For example row 10 contains "A1"The first column must get the first value of the VAL: A1 (AAA)...
View ArticleHow to really select a row in datagridview programatically not just highlight
I have this code to select each row of DataGridView (by button click), but the associated controls don't display any data from the grid, only changes if i click manually at rows, this code only...
View ArticleHow to conditionally replace rows in data table [duplicate]
I am trying to conditionally replace row values in a data table.Please consider the following dataset excerpt:library(data.table)txt1 <- "Date Location Measurement Scenario Var Month Decade...
View ArticleHow can I split a single, very long string into separate columns and rows...
I'm trying to split a single very long string into a separate columns and rows.The columns need to be delimited with the , character, and the rows are delimited with the ; character.Example of data...
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How would I make a row with rectangles move left and/or right?
I'm making a website prototype and I want to make 3 rows. Each row has multiple rectangles inside them which have rounded corners and randomly chosen text from a list. I need the rectangles to move...
View ArticleTime Difference between query result rows in SQLite: How To?
Consider the following reviews table contents:CustomerName ReviewDTDoe,John 2011-06-20 10:13:24Doe,John 2011-06-20 10:54:45Doe,John 2011-06-20 11:36:34Doe,Janie 2011-06-20 05:15:12The results are...
View ArticleCopying data into a worksheet when the destination has hidden rows
Here's a simplified version of my problem. I’m using a macro to copy a range of doctor's names in A1:A10 to multiple other worksheets. Some of the worksheets I’m pasting into have hidden rows, so not...
View ArticleRemove the following row if a condition is met
I would like to remove all rows that are followed by the same entry in R. I have the following column in a data frame:"FAILURE" "HIT" "FAILURE" "HIT" "FAILURE" "HIT" "FAILURE" "HIT" "FAILURE" "HIT"...
View Articlehow do i make a row wrap when ever i want (in bootstrap 5)
i want to have a row that only wraps below 1200px size and above 1200 size i want it to not wrapi tried it with media query but it just ignores my line of code (flex-warp:nowarp) and i tried using...
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