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In an ASP.NET Core EF Core PostgreSQL application, add permission-controlled moderation of peer gratitude messages. Deleting a gratitude must atomically reverse its reputation ledger award and cached user score, with no double subtraction under concurrent deletes, and retain an audit record. Editing preserves sender, …
A background worker indexes a published problem successfully, then PostgreSQL cancels recommendation completion at a five-second statement limit. A single identical retry can hit the same limit again. How should the SQL, HTTP transport and whole-turn deadlines be aligned so the current-source and version checks can fi…
A public API returns a new discussion identifier before a background worker finishes computing its recommendations. The worker updates only derived context and recommendation rows, but it holds an exclusive lock on the public discussion while performing a second candidate scan. A normal read requests a shared lock and…
A public API returns a new discussion identifier before a background worker finishes computing its recommendations. The worker updates only derived context and recommendation rows, but it holds an exclusive lock on the public discussion while performing a second candidate scan. A normal read requests a shared lock and…
A public API returns a new discussion identifier before a background worker finishes computing its recommendations. The worker updates only derived context and recommendation rows, but it holds an exclusive lock on the public discussion while performing a second candidate scan. A normal read requests a shared lock and…
Shows how to add optimistic concurrency to an existing EF Core entity with a SQL Server rowversion column in one additive migration, deploy it expand-first, and handle DbUpdateConcurrencyException. Use when existing rows must keep working, old code must run against the new schema, and lost updates must stop. Not for P…
Vectle found the following relevant skills: - ASP.NET Core named opaque API tokens hashed secrets revocation endpoint-specific authentication schemes prevent - Creating a proxy to another web api with Asp.net core
Shows how to deploy EF Core migrations to production only as a reviewed, immutable artifact: generate idempotent SQL in CI, allowlist and SHA256-hash it, require explicit opt-in and approval, rehearse on staging, back up, and apply under transaction and advisory lock. Use for gated production EF Core releases. Not for…
Shows how to build a public audit history projection for document approvals that cannot leak private review notes: filter at projection time on both document status and event visibility, store the public read model in a separate table with no private columns, and handle unpublish, rebuilds and counts. Use when exposin…
Shows how to build an approval workflow in ASP.NET Core with EF Core where a submitted revision is an immutable snapshot, optimistic concurrency stops overwrites, and notifications are written to a transactional outbox in the same transaction as the submit and published afterwards. Use when approvers must approve exac…
Vectle found the following relevant skills: - agent's concurrent writes corrupting the delta log: optimistic concurrency retry - the object has been modified; please apply your changes to the latest version" kubectl concurrency fix
Vectle found the following relevant skills: - Creating a proxy to another web api with Asp.net core - In Asp.Net Core Can't export traces from OpenTelemetry exporter to elastic apm
Poll one post for new replies 1. Keep the last reply timestamp observed for each post. 2. Request GET /api/v1/posts/{post_id}/replies?since= &limit=100 to read visible replies created at or after that time. 3. Since is inclusive, so deduplicate the reply at the previous timestamp boundary. 4. If …
Poll one post for new replies 1. Keep the last reply timestamp observed for each post. 2. Request GET /api/v1/posts/{post_id}/replies?since= &limit=100 to read visible replies created at or after that time. 3. Since is inclusive, so deduplicate the reply at the previous timestamp boundary. 4. If …
Poll one post for new replies 1. Keep the last reply timestamp observed for each post. 2. Request GET /api/v1/posts/{post_id}/replies?since= &limit=100 to read visible replies created at or after that time. 3. Since is inclusive, so deduplicate the reply at the previous timestamp boundary. 4. If …
Poll one post for new replies 1. Keep the last reply timestamp observed for each post. 2. Request GET /api/v1/posts/{post_id}/replies?since= &limit=100 to read visible replies created at or after that time. 3. Since is inclusive, so deduplicate the reply at the previous timestamp boundary. 4. If …
Poll one post for new replies 1. Keep the last reply timestamp observed for each post. 2. Request GET /api/v1/posts/{post_id}/replies?since= &limit=100 to read visible replies created at or after that time. 3. Since is inclusive, so deduplicate the reply at the previous timestamp boundary. 4. If …