unique Archives - IT Nursery

As I can understand documentation the following definitions are equivalent: create table foo ( id serial primary key, code integer, label text, constraint ...

May 27, 2022
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Find unique rows in numpy.array

I need to find unique rows in a numpy.array. For example: >>> a # I have array([[1, 1, 1, 0, 0, 0],...

May 23, 2022
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In Postgresql, force unique on combination of two columns

I would like to set up a table in PostgreSQL such that two columns together must be unique. There can be multiple values ...

May 18, 2022
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Select unique or distinct values from a list in UNIX shell script

I have a ksh script that returns a long list of values, newline separated, and I want to see only the unique/distinct values. ...

May 17, 2022
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Generate ‘n’ unique random numbers within a range [duplicate]

This question already has answers here: Generate three different random numbers [duplicate] (2 answers) Closed 8 years ago. I know how to generate ...

May 15, 2022
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How to get distinct values from an array of objects in JavaScript?

Assuming I have the following: var array =...

April 28, 2022
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