Panel-ready .NET / C# questions for freshers and experienced developers. Practice at Coding Cadre in Faridabad, or Online from Delhi NCR.
Update secrets store, recycle apps to pick new values, then retire old creds.
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TPH uses a discriminator column in one table
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Pagination patterns — Skip pages and Take page size.
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It forces object initializers to set the property.
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Clients send an Idempotency-Key
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ref needs an assigned variable going in
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IDisposable resources like streams and DB contexts at end of scope.
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Data annotations or FluentValidation with ModelState checks.
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Loading a collection then querying each child lazily.
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A singleton holding a scoped service outlives the scope and uses disposed objects.
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Dump analysis, event counters, and looking for growing caches or event handlers.
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Domain at the center, application use cases, infrastructure outside, API as entry.
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The query runs when you enumerate, not when you build it.
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Validate issuer, audience, lifetime, and signing key.
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In-memory or SQLite providers, or wrap with a repository fake.
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