Top "Grouping" questions

How to make JasperReports groups start on new page only when needed?

I'm using JasperReports and iReport (output to PDF), and I have a problem with a certain report: Inside the report …

jasper-reports grouping ireport

Windows 7 taskbar icon grouping with multiple similar windows

When I have a number of similar windows opens, for example, multiple explorer windows, they are all grouped into the …

windows-7 grouping taskbar jump-list

Group by field name in Java

I'm trying to group Java objects by their field, i.e Person.java public class Person { String name; String surname; .... } …

java dictionary grouping

Count, Sort and Group-By in Powershell

Are there any cool cmdlets that will help me do the following? I want something in Powershell that is as …

sorting powershell grouping counting

array.groupBy in TypeScript

The basic array class has .map, .forEach, .filter, and .reduce, but .groupBy i noticably absent, preventing me from doing something …

arrays typescript grouping higher-order-functions

Datatables row grouping - how to add rowcount per group and expand/collapse all

I am using Datatables Collapsible/Expandable Grouping. http://jquery-datatables-row-grouping.googlecode.com/svn/trunk/collapsibleGroups.html I have configured it so …

jquery datatables grouping

Angular Material mat-table Row Grouping

Leaving aside the libraries that provide row grouping for their particular tables, I am trying to implement such a feature …

angular angular-material row grouping

How to use enum with grouping and subgrouping hierarchy/nesting

I have one enum 'class' called Example as follows: enum Example { //enums belonging to group A: enumA1, enumA2, enumA3, //enums …

java enums nested grouping hierarchy

Java 8 is not maintaining the order while grouping

I m using Java 8 for grouping by data. But results obtained are not in order formed. Map<GroupingKey, List&…

java-8 grouping java-stream collect

Grouping Python tuple list

I have a list of (label, count) tuples like this: [('grape', 100), ('grape', 3), ('apple', 15), ('apple', 10), ('apple', 4), ('banana', 3)] From that I want …

grouping python