Top "Grouping" questions

Add separator to string at every N characters?

I have a string which contains binary digits. How to separate string after each 8 digit? Suppose the string is: string …

c# string grouping string-formatting

SQL multiple SELECT query with xmlagg function- Data not pulled in the required fashion

My data in Oracle is something like this NAME | DEP_VALUE | ID_DEP Amy 1 AA1234 Bob 2 BB4321 Clara 1 CC5678 Clara 2 …

sql oracle select grouping sqlxml

Is there a "Group Box" equivalent in Java Swing?

Trying to build a GUI application in Java/Swing. I'm mainly used to "painting" GUIs on the Windows side with …

java swing grouping

Group by multiple columns and sum other multiple columns

I have a data frame with about 200 columns, out of them I want to group the table by first 10 or …

r grouping aggregate plyr data.table

Regex Group in Perl: how to capture elements into array from regex group that matches unknown number of/multiple/variable occurrences from a string?

In Perl, how can I use one regex grouping to capture more than one occurrence that matches it, into several …

regex perl grouping match

How to filter array of objects in react native?

I want to filter this data array into state and city array. How can I achieve this using lodash or …

javascript arrays react-native filter grouping

How do I group my date variable into month/year in R?

I have a "date" vector, that contains dates in mm/dd/yyyy format: head(Entered_Date,5) [1] 1/5/1998 1/5/1998 1/5/1998 1/5/1998 1/5/1998 I am trying to …

r plot grouping

Oracle: How to count null and non-null rows

I have a table with two columns that might be null (as well as some other columns). I would like …

oracle select null grouping

How to show row count in SSRS per grouping on variable group-by value?

Essentially, I'd like to have separate row counts per grouping. I believe I'm supposed to use RowNumber. This seems to …

reporting-services grouping row-number

Group array values based on key in php?

I have a array like this: $str= Array ( [No] => 101 [Paper_id] => WE3P-1 [Title] => "a1" [Author] => …

php arrays merge grouping