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Docker Compose: correct config for MariaDB + MongoDB + Qdrant (ports, env vars, volumes) and how containers should connect?

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Summary This postmortem analyzes a common misconfiguration when orchestrating a multi-database local development environment using Docker Compose. The primary failure observed is a lack of inter-container networking knowledge, leading to containers attempting to connect to databases via localhost rather than the Docker Compose service name. This results in “Connection Refused” errors. The correct approach involves … Read more

Performance implications of compact representations

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Summary This postmortem analyzes the performance tradeoffs between compact bit-packed representations (using bitmasks and shifts) and expanded aligned representations (fat capabilities) for capabilities in a CHERI-like architecture. The key finding is that memory locality and cache efficiency dominate raw ALU cost, making compact representations generally superior in real systems despite requiring more bitwise operations. However, … Read more

Angular SSR + Firebase App Hosting: build fails when importing shared utility functions

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Summary The issue at hand is an Angular SSR application that fails to build when deploying to Firebase App Hosting due to unresolved imports of shared utility functions. Key Takeaways include understanding how Angular SSR and Firebase App Hosting interact, and how to properly configure imports for shared functions. Root Cause The root cause of … Read more

Best practice for enqueueing CSS and JavaScript files in a custom WordPress theme

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Summary The question asks for best practices for enqueueing CSS and JavaScript files in a custom WordPress theme. The core issue addressed is replacing direct HTML <link> and <script> tags in header.php with WordPress’s native functions for asset management. The recommended approach uses functions.php and the wp_enqueue_style() and wp_enqueue_script() functions. This method leverages WordPress’s internal … Read more

“flutter run” starts the app but no logs / hot reload / debug output anymore

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Summary An Honor device connected via USB debugging suddenly stopped providing log output and hot reload functionality after a successful flutter run. The Gradle build and APK installation completed, but the observatory/VM service connection failed to establish silently. This broke log streaming, stdin command processing (hot reload/restart), and debugging. The root cause was likely a … Read more

conversion api retunrs error 400 – The access token could not be decrypted

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Summary The error 400 Bad Request with {“error”: {“message”: “The access token could not be decrypted”, “type”: “OAuthException”, “code”: 190}} indicates that the access token provided to the Facebook Graph API is either invalid, expired, or malformed. Despite the user generating the token in Events Manager, the token is likely a System User Access Token … Read more

How to assign storefront role while registration in OSF – Oracle Commerce cloud

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Summary In Oracle Commerce Cloud (B2B), assigning a storefront role during registration requires orchestrating specific APIs across the ccstore and ccadmin scopes. The process diverges depending on whether the user is creating a new account (self-registration) or a new contact under an existing organization (requiring approval). The critical path involves creating the user profile first, … Read more