A Blog That Can Explain Its Sources
An expert blog asks readers to trust more than its sentences. It asks them to trust the author's selection of evidence, interpretation of that evidence and willingness to correct a mistake.
THE READING ROOM
Engineering
THE READING ROOM
Writing & investigations.
A SQL Diagnostic Script as a Versioned Product
A versioned evaluator replays actual SQL observations, preserves source hashes and refuses unsupported or incomplete evidence. A diagnostic status is a contract, not a universal health verdict.
Result Freshness: From Source Event to the Screen
A versioned HTTP fixture and Blazor UI distinguish source, ingest, publication and display, refusing late updates while keeping logical age separate from query latency.
Semantic Search in Blazor WebAssembly: Where the Cost Moves
Actual query embeddings run in ONNX Runtime Web inside a Blazor WebAssembly app, with verified tokenizer parity, real browser results and explicit first-use asset costs.
A Database Endpoint Switch Is Not the First Correct Operation
A controlled two-instance cutover distinguishes endpoint selection from a verified new operation, including a committed write whose acknowledgement timed out.
Permission Changed Mid-Answer: Identity, Evidence and Telemetry Boundaries
Controlled HTTP streaming tests show what happens when access or resource version changes after retrieval but before protected content is emitted.
Small Buffers, Large Files: An Azure Blob Transfer Lab
Throughput gains must be evaluated alongside memory, concurrency, retries and integrity.
The Hidden Network Work of a Blazor Component
An executed Blazor component separates debounce admission, aborted client waits and revision authority, with controlled HTTP completion and visible stale-response checks.
RAG Quality as a Distribution, Not a Single Score
A retrieval-augmented answer can look excellent in a demonstration and fail for a reader who asks the same question differently. It can cite a real document while relying on the wrong version.
The Command Completed, the Goal Did Not: SQL Maintenance Postconditions
A real SQL Server fixture successfully refreshes the wrong statistic, rejects the resulting state, and verifies the correct repair. Command success is not the maintenance goal.
After the Restart: Durable Replay and External Effects in a .NET Agent
A real child process exits after a local receiver commit. Reconciliation preserves one effect while keeping unestablished outcomes explicitly unknown.
One Question, Several Queries: Put Typed Intent Between Language and SQL
Typed intent separates language proposals from executable SQL, trusted tenant scope and independently checked aggregate results.