prodopsy

# Production Incident: Worker Timeouts After Migrating Django App From runserver to Gunicorn ## Summary A Django application migrated from `runserver` to Gunicorn in Docker production experienced intermittent HTTP worker timeouts (`WORKER TIMEOUT`), resulting in incomplete data processing during TMDB API integrations. Development server worked without issues. Quick fix was reverting to `runserver`. ## Root … Read more

# Postmortem: JDialog Scroll Position Misfire When Displaying Lengthy Text ## Summary A customized `JDialog` designed to display lengthy text consistently opened scrolled to the bottom despite multiple attempts to programmatically reset the scroll position to the top. Attempted solutions like setting view position, scrollbar value, and `scrollRectToVisible` failed to correct initial positioning. ## Root … Read more

# Postmortem: Improper Relative Path Rewriting Caused Broken Asset Loading ## Summary A user script (Tampermonkey) was deployed to rewrite relative paths on a web page to point to a new domain (`www.mypage.com`). Absolute paths were meant to be preserved. The script incorrectly modified some absolute paths and mishandled relative path resolution, causing CSS/JS files … Read more

# How to Set Journaling Mode in Python 3.12 and SQLite3 with autocommit=False ## Summary Attempts to set SQLite’s journaling mode (e.g., `PRAGMA journal_mode = WAL`) fail with `OperationalError` when opening a connection with `autocommit=False` in Python 3.12. This occurs because an implicit transaction starts immediately, preventing journal mode changes within a transaction. ## Root … Read more

# Initializer for Saving Request Data with Uninitialized Constant ## Summary A Rails initializer attempted to subscribe to controller events using `ActiveSupport::Notifications` and create `RequestLog` records. The `RequestLog` constant was unavailable during initialization, causing `NameError: uninitialized constant RequestLog` failures. ## Root Cause – The `request_logging.rb` initializer executes **before** Rails loads application classes – `RequestLog` model … Read more

# Blazor Web App Edit Failure After Template Modification ## Summary After modifying a Razor component in a newly created Blazor Web App project from the standard template, the application fails to execute correctly during debugging. Static content renders partially, but interactive features break due to JavaScript module loading failures with MIME type errors. Manually … Read more

The Disruption: AI’s Impact on Web Developer Roles Summary Industry buzz about AI replacing human web developers caused significant anxiety among aspiring developers. Discussions escalated after multiple AI tools demonstrated rapid scaffolding and prototyping capabilities, creating perception challenges about career viability. Root Cause Cognitive bias toward visible automation outputs (code generation) without contextual awareness Overestimation … Read more

# Postmortem: Payment Integration Failure Due to Unavailable Sham Cash Flutter SDK ## Summary – Attempted to integrate Sham Cash payment functionality into a Flutter app – Assumed existence of official SDK based on industry-standard providers – Discovered post-development that Sham Cash lacks public API/SDK documentation – Integration stalled, requiring redesign and vendor change ## … Read more

Bazel Build Fails When Generating OpenVINO Test Drive Windows Bindings: Solving MSVC Toolchain and DLL Errors ## Summary **Windows developers compiling OpenVINO Test Drive bindings with Bazel frequently encounter MSVC toolchain errors and DLL version mismatches**, especially when using Visual Studio Build Tools. These failures typically manifest as missing `opencv_world*.dll` files or protobuf compilation crashes. … Read more

# Resolving “Package Does Not Exist” Errors When Importing JARs in VS Code Java Projects ## Summary The ***”package … does not exist”*** error occurs when Visual Studio Code’s Java tooling fails to recognize an externally added JAR library—despite successful compilation. This typically stems from VS Code’s Java Language Server (JDT) caching stale classpath data … Read more