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New posts in grouping
Why does this dplyr() grouping code work in base R but not when running in Shiny?
Dec 19, 2025
r
dplyr
shiny
grouping
Use XSLT 1.0 to group XML elements into buckets, in order, based on some criteria
Dec 18, 2025
xml
xslt
xslt-1.0
grouping
bucket
Transpose and group data
Dec 19, 2025
excel
grouping
transpose
Convert a List[Task(username, description)] into Map[username,Set[Task]]
Dec 16, 2025
scala
collections
grouping
T-SQL query group in date order (gaps and islands)
Dec 15, 2025
sql
sql-server
t-sql
sql-server-2008-r2
grouping
Ruby on Rails 3 simple grouping and counting
Dec 12, 2025
ruby-on-rails
ruby
ruby-on-rails-3
count
grouping
Group 2d array data by one column and accumulate another column's values in subarrays [duplicate]
Dec 09, 2025
php
arrays
grouping
sub-array
How to select rows from MySQL based on max value of a one column and grouping two other columns?
Dec 09, 2025
mysql
group-by
subquery
max
grouping
How to work with js arrays, finding and grouping items?
Dec 08, 2025
javascript
sorting
filter
grouping
Why do groups appear in different orders on report?
Dec 08, 2025
jasper-reports
grouping
Querying and grouping in mongoDb?
Dec 07, 2025
mongodb
mapreduce
grouping
nosql
Determining All Combinations but With a Grouping Variable
Dec 08, 2025
r
grouping
combinations
combinatorics
Is there an elegant way to model and represent a one to many inside a many to many relationship on Django?
Dec 06, 2025
python
django
grouping
django-queryset
Replace characters using regex grouping with sed
Dec 07, 2025
regex
sed
grouping
backreference
Convert flat array into a 3d array creating new grouping rows on each non-numeric value
Dec 06, 2025
php
arrays
multidimensional-array
reference
grouping
Algorithm for combining numbers into optimal groups which do not exceed a vector of max values?
Dec 06, 2025
r
grouping
mathematical-optimization
Pandas group by time with specified start time with non integer minutes
Dec 05, 2025
python
pandas
group-by
grouping
pandas-groupby
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