How to Separate Face Matching from Membership Validation
Face recognition confirms identity; a separate authorization system should decide whether that person currently has access.
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data
How to Keep Sequence Numbers Continuous Across Grouped Data
Keep the group identifier and the global sequence number separate. This prevents numbering from restarting when data is divided into sections.
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How to Handle App Languages That Are Bundled Instead of Downloaded
Some app languages are stored inside the package instead of remote configuration. A versioned fallback source keeps importers predictable and reproducible.
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Fast way to find duplicate data in MongoDB
I need to find out the duplicate data content in my 40 Millions records, then I can make the unique index to my name field. [code lang=”shell”] > db.collecton.aggregate([ … { $group : {_id : "$field_name", total : { $sum : 1 } } }, … { $match : { total : { $gte :
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