Duck Cloud Blog

Practical guides for Duck Cloud tools, security, and workflows

Tutorials, SEO-friendly explainers, and step-by-step articles that link directly to the tools they describe.

Read Browser ONNX Deployment: Fix Model and WASM Loading

AI and Semantic Search

Browser ONNX Deployment: Fix Model and WASM Loading

Diagnose browser ONNX loading failures by separating model files, WASM assets, network policy, execution providers and offline cache behavior step by step.

Oct 7, 2026

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Read Multilingual Embedding Search: Test Language Coverage

AI and Semantic Search

Multilingual Embedding Search: Test Language Coverage

Test multilingual search with native queries, mixed scripts and reviewed relevance sets, then diagnose language gaps without hiding them in averages.

Oct 7, 2026

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Read Cosine Similarity vs Dot Product in Vector Search

AI and Semantic Search

Cosine Similarity vs Dot Product in Vector Search

Understand when cosine and dot-product rankings agree, how vector length changes scores, and how to test a search index without arbitrary thresholds.

Oct 7, 2026

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Read Embedding Model Migration: Keep Vector Indexes Compatible

AI and Semantic Search

Embedding Model Migration: Keep Vector Indexes Compatible

Change embedding models safely with versioned vector indexes, dimension checks, shadow queries and a rollback plan that preserves useful search results.

Oct 7, 2026

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Read Prefers-Reduced-Motion: Build a Calmer Interface

Web Platform

Prefers-Reduced-Motion: Build a Calmer Interface

Implement prefers-reduced-motion with targeted CSS, progress states and interaction tests that preserve useful feedback while reducing unnecessary movement.

Oct 5, 2026

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Read API Deprecation and Sunset: Build a Migration Plan

API Design

API Deprecation and Sunset: Build a Migration Plan

Turn API deprecation and Sunset headers into an actionable migration plan with consumer inventory, compatibility fixtures and verified replacement behavior.

Oct 5, 2026

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Read Unicode Normalization for Search and Deduplication

Data Integrity

Unicode Normalization for Search and Deduplication

Handle visually identical Unicode text with deliberate normalization rules, preserve original content and test search, uniqueness and imports without data loss.

Oct 5, 2026

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Read HTTP 406 vs 415: Debug Content Negotiation

API Design

HTTP 406 vs 415: Debug Content Negotiation

Resolve HTTP 406 and 415 errors by separating accepted response formats from request body types, then testing serialization and documented media contracts.

Oct 5, 2026

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Read JWT Clock Skew: Diagnose Intermittent Login Failures

Security Practice

JWT Clock Skew: Diagnose Intermittent Login Failures

Diagnose JWT clock-skew failures by comparing issuer and verifier clocks, checking time units and bounding leeway without disabling token verification.

Oct 5, 2026

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Read Git Credential Helpers: Keep Tokens Out of Remote URLs

Security Practice

Git Credential Helpers: Keep Tokens Out of Remote URLs

Keep Git tokens out of remote URLs by reviewing helper scope, removing embedded credentials and testing authentication without exposing secret values.

Oct 5, 2026

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Read SQLite WAL: Diagnose Checkpoints and Busy Writes

Infrastructure

SQLite WAL: Diagnose Checkpoints and Busy Writes

Troubleshoot SQLite WAL growth and busy writes by tracing transaction duration, reader lifetimes and checkpoint behavior before changing concurrency settings.

Oct 5, 2026

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Read Kubernetes Probes: Stop Accidental Restart Loops

Infrastructure

Kubernetes Probes: Stop Accidental Restart Loops

Design Kubernetes startup, readiness and liveness probes with separate failure meanings, sensible timing and staging tests that prevent restart cascades.

Oct 5, 2026

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