unique Examples and Free Source Code

Composite primary key better than unique index exclusion in PostgreSQL?...

postgresql database-design unique integrity

FAST unique combinations (from list with duplicates) WITHOUT LOOKUPS...

c++python-3.x unique combinations lookup

Merge two 2d arrays grouping on one column value and summing another column value within each group...

php arrays merge sum unique

XQuery - Filter deep child nodes for duplicates...

duplicates unique xquery basex

Push only unique values into an array while looping...

php arrays unique array-push

Create sequential unique id for each group...

apache-spark pyspark grouping unique window-functions

Get unique values in List of Lists...

python list set unique

I need the loop to stop once 5 unique integers are entered into the list. The program runs but it do...

c#list count unique distinct

SQL - Identify unique person in a customer table with several customer ids, phone numbers and email...

sql snowflake-cloud-data-platform unique

how to group by and sample unique rows that are not repeated in other groups...

python pandas random unique sample

mysql CHECK constraint on multiple columns and values...

mysql constraints unique

How to find index of the first unique elements in Pandas DataFrame?...

python pandas dataframe unique

How to count accumulative unique values by groups in python?...

python pandas unique group

Write a program in C# and ask the user to enter 5 unique numbers...

c#console-application unique user-input

Comparing two text files to EXCLUDE duplicates, and not line-by line. I want to output the exclusion...

python duplicates unique

How can I make short random unique keys, like YouTube video IDs, in PHP?...

php unique

Get the unique rows with the number of repeatations if any...

arrays julia unique rows

return unique combinations of items R?...

r vector unique purrr

is there a way to use lambda or quicker way than a dictionary to recode pandas df column of unique c...

python pandas unique recode

Cumulative sum of unique values based on multiple criteria...

r dplyr filter unique

How to extract unique letters among word of consecutive letters?...

r string unique

how to determine the number of unique values based on multiple criteria dplyr...

r dplyr filtering unique

I'd like to get a unique of a series of a dataframe while preserving its index...

pandas dataframe numpy concatenation unique

Unique nested dictionary from the 'for' loop Python3...

python-3.x dictionary for-loop nested unique

Add missing timestamps for each different ID in dataframe...

python pandas date datetime unique

Generating a unique 10 digit phone number...

oracle-database function unique

Opencart + unique product with options + stock control...

unique opencart stock

Why list items need unique key, but other not, in react?...

javascript reactjs key unique

unique() for more than one variable...

r unique

Create a dataframe with all observations unique for one specific column of a dataframe in R...

r dataframe unique