Questions tagged [duplicate-keys]
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5 questions
0 votes
1 answer
135 views
Vendor ID from hash of reverse DNS name - collision resistance consideration
I'm considering embarking on an operating system kernel project. One of the "features" that I intend it to have, is a mandatory access control framework that can be purposed to sandbox ...
- 374
4 votes
4 answers
615 views
The fastest method for removing duplicate files safety?
I have a huge amount of files (mostly documents like pdf ~80-90%, but also images, videos, webpages, audio etc.), somewhere around 3.8 millions of files which occupies ~7.8Tb of hard drive space on a ...
- 149
-1 votes
2 answers
217 views
Maintaining list of items seen by an user
I am developing an app and I need to tackle a problem here. The app is kind of an e-commerce app where each user will be shown a list of items daily. The problem is, I need to keep a track of all the ...
- 35
0 votes
2 answers
243 views
Deduplicate records without IDs?
I have an array of records for bids (sample below in JSON). I would like to store this data in a relational database (Postegresql), however, the supplier data is not given with IDs, and there will be ...
- 119
0 votes
1 answer
83 views
Organizing the same set of data based on two different criteria simultaneously
Let's say I want to model a phonebook. I would like a phonebook to be maintained in sorted order by name of the person that the phonebook entry is created for. However, since it is quite possible ...
- 2,983