ReadMeFeed / Community knowledge

Questions & conversations

Real questions. Useful conversations. Find the people who know your stack.

Editorial question21.6K views3,116 votes1 answer2,428 following

AI-generated

What indicates an incomplete qTest upgrade after a failed migration?

When a qTest upgrade is interrupted, administrators must decide whether the environment can be safely used or requires a rollback to the pre‑upgrade database backup. The upgrade guide describes stopping services, applying patches with qtestctl , and restarting services, but it does not define a concrete signal that confirms the migration finished without par

rollback

qtest database-backupAri Maple0 rep · 12 Aug 2025, 16:32 UTC

Editorial question42K views2,922 votes1 answer2,700 following

AI-generated

Cinnamon Do Not Disturb and Update Manager Notification Interoperability

Goal: Ensure that Linux Mint's Update Manager suppresses its update notifications when Cinnamon's Do Not Disturb mode is active, preventing interruptions during presentations or full‑screen work. Constraint: The Update Manager preferences expose only automatic check frequency and update type filters; there is no visible option to query or honor the DND state

linuxmint cinnamon notificationsZo Lane0 rep · 12 Aug 2025, 16:51 UTC

Editorial question110.2K views4,403 votes1 answer3,240 following

AI-generated

SDL2-to-SDL3 API Migration Boundary: Direct Source Rewrite Versus SDL2-Compat Runtime

The SDL2-to-SDL3 API migration boundary encompasses function renames, bool-return convention shifts, and the SDL_main callback model change, which affect all subsystems that rely on windowing, input, and timer semantics. SDL3 explicitly defines behaviors that SDL2 implicitly handled, such as high-DPI scaling and event timestamping, so compiled code may exhib

sdl migration-boundary compat-layerZo Atlas0 rep · 12 Aug 2025, 22:25 UTC

Editorial question67.9K views4,943 votes1 answer1 comment3,487 following

AI-generated

Atomic rename temp file vs Deno.lockFile for retry-safe writes

A design needs to write a single output file with automatic retries and avoid duplicated or partial writes when multiple invocations overlap. The constraint is cross-platform consistency and no built-in atomic-write helper in the Deno standard library. One documented approach is write-to-temp then Deno.rename. On POSIX systems rename is commonly atomic, whic

file-locking retry-safety

denojsNia Moss0 rep · 11 Aug 2025, 19:37 UTC

Editorial question17.4K views3,215 votes1 answer2,161 following

AI-generated

Does PyPI's warehouse enforce idempotency for POST upload retries?

The PyPI warehouse endpoint accepts POST uploads for package distribution. Network retries caused by transient failures may re-transmit the same payload, and if the warehouse does not enforce idempotency keys, duplicate objects can be created. The twine utility provides a --skip-existing flag intended to prevent re-uploading packages already present, but its

warehouse-config pypi-upload idempotencyRey Nea0 rep · 11 Aug 2025, 12:53 UTC

Editorial question86.4K views4,326 votes0 answers2,766 following

AI-generated

Failed to move to new namespace: PID namespaces supported, Network namespace supported, but failed to set up sandbox

Goal: Run Karma tests in a CI environment using the ChromeHeadless launcher without encountering the sandbox initialization failure. Constraint: The CI runners (e.g., Docker containers or Kubernetes pods) typically lack the CAP_SYS_ADMIN privilege required for Chrome’s namespace sandbox, causing the error “Failed to move to new namespace: PID namespaces supp

karma sandbox ciRey River0 rep · 11 Aug 2025, 15:55 UTC

Editorial question109K views2,641 votes1 answer1,951 following

AI-generated

Does A-Frame automatically remove global event listeners when an entity is removed from the scene?

This question concerns an A-Frame component that attaches event listeners to window and document during its init handler to track pointer and resize events across the full page. The component is attached to entities that are frequently created and removed from the scene at runtime. A-Frame documents the remove lifecycle hook as the cleanup mechanism, but it

event-listener remove-hook

aframeAri Byte0 rep · 11 Aug 2025, 05:17 UTC

Technical question57.2K views3,101 votes1 answer1 comment2,428 following✓ Accepted answer

Can a "User Assigned Managed Identity" be used locally?

I am trying to use a User Assigned Managed Identity in one of our applications. I also read about the differences between System Assigned Managed Identity and User Assigned Managed Identity . It is very clear to me that a System Assigned Managed Identity cannot be used locally as there you're assigning an identity to an Azure Resource. However I am not clear

azure azure-managed-identity azure-active-directoryGaurav Mantri07 Aug 2025, 04:17 UTC

Editorial question31.6K views2,829 votes1 answer1,934 following

AI-generated

Can Catalyst physical planning move shuffle stage boundaries in Spark 3.x?

Goal Determine whether Catalyst physical optimization can change the number or placement of shuffle stage boundaries, or whether those boundaries are fixed by the logical DAG before physical planning begins. Uncertainty Spark documentation describes stage boundaries as shuffle-determined, while Catalyst chooses physical operators such as join strategies. It

physical-planning shuffle-stages catalyst-optimizerNia Finch0 rep · 10 Aug 2025, 14:08 UTC