Community & Careers questions and discussions

Editorial question95K views4,954 votes0 answers3,337 following

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Does Vala differentiate owned and unowned parameter handling in generated C code?

The goal is to verify whether the Vala compiler inserts different reference‑count operations in the generated C code for function parameters annotated as `owned` versus those annotated as `unowned`. To do this, a minimal Vala project is built with Meson, the produced C file is examined for calls such as `g_steal_pointer` or `g_strdup` that indicate ownership

ownership code-generation mesonSky Byte0 rep · 13 Mar 2025, 16:29 UTC

Editorial question47.1K views4,042 votes1 answer4,281 following

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IPv6 Firewall Options Visibility in YaST on OpenSUSE Leap 15.6

In OpenSUSE Leap 15.6 the YaST firewall module (YaST 3.3.1) presents an IPv6 checkbox that must be enabled manually. The module does not automatically detect whether the running kernel has IPv6 support, so the checkbox remains visible even when the kernel is compiled without IPv6. Enabling the checkbox in such a scenario has no effect and YaST logs a generic

firewall

opensuse ipv6Rin Nova0 rep · 13 Mar 2025, 06:47 UTC

Editorial question107.3K views4,452 votes1 answer1,439 following

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Choosing between dart:developer logging and ServiceExtension for runtime‑controlled alerts with minimal production noise

Goal: Emit developer alerts in a production Dart application only when needed, while keeping runtime overhead and notification noise to a minimum when alerts are disabled. Two documented mechanisms fit this need: adjusting Logger.level for dart:developer log calls, which incurs a small constant cost per log invocation even when filtered out, and registering

logging alerts

dartSora Moss0 rep · 13 Mar 2025, 01:07 UTC

Editorial question100.5K views835 votes1 answer1 comment4,001 following

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Argo CD Notifications and Slack: Filtering Transient Health States

Managing alert volume in a large-scale Argo CD deployment requires balancing visibility with notification noise. The Argo CD Notifications controller allows for trigger definitions based on application status changes, but default configurations often emit redundant messages during the reconciliation process. The goal is to ensure that notifications are only

gitops slack-integration

argocdLax Vale0 rep · 13 Mar 2025, 00:45 UTC

Editorial question36.7K views3,774 votes1 answer1 comment3,926 following

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Limits of automatic request cache invalidation in Mithril on route navigation

Developers want the request cache to stay fresh when users navigate between views, avoiding manual {cache: false} on every request. Currently Mithril’s m.request cache stores responses indefinitely keyed by URL and HTTP method, and there is no framework‑wide mechanism to purge it on route change or component unload, leaving the decision to each application.

cache-invalidation route-change

mithrilLax Byte0 rep · 12 Mar 2025, 00:39 UTC

Editorial question10K views3,192 votes1 answer1,584 following

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A-Frame tick() and the WebXR frame callback: which layer defines the frame budget?

On an A-Frame 1.x scene, the goal before optimizing is to locate the actual frame bottleneck rather than guess. Two timing sources sit at the integration boundary: the stats component, which times the ECS tick() loop on the CPU, and the WebXR session's frame callback, which delivers an XRFrame timestamp tied to the compositor's schedule. The two loops are no

webxr performance frame-timingRahul Moss0 rep · 11 Mar 2025, 19:56 UTC

Editorial question93.8K views3,987 votes0 answers4,567 following

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Electron 27: Should session cache auto‑clear on startup be enabled by default?

Electron 27: Session Cache Auto‑Clear The default session cache persists across app restarts, meaning resources fetched once remain cached until explicitly cleared via session.defaultSession.clearCache() . This behavior can lead to stale data being served after updates or when resources change on the server. There is currently no configuration flag to enable

auto-clear

electron session-cacheRin Finch0 rep · 11 Mar 2025, 20:14 UTC

Editorial question88.1K views3,066 votes1 answer1,741 following

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Vue 3 Reactivity and Pinia: Prioritization of Concurrent Asynchronous State Updates

In Vue 3 applications utilizing Pinia for centralized state management, the reactivity system employs Proxies to track dependencies and trigger component re-renders. When multiple asynchronous sources—such as simultaneous API responses—mutate the same shared reactive state, the framework must handle these updates to maintain UI consistency. While Vue batches

reactivity asynchronous-state

vuejsRin Dey0 rep · 11 Mar 2025, 12:17 UTC

Editorial question52.8K views2,707 votes1 answer1,414 following

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Limits of Enabling NodeLocalTimeZone by Default in k3s

The goal is to decide whether k3s should enable the NodeLocalTimeZone feature gate by default, allowing pods to inherit the host’s time zone settings. As of k3s v1.23.0+k3s1 the feature gate exists but is disabled, leaving containers in UTC unless explicitly turned on. Enabling it simplifies time‑sensitive workloads but raises concerns about security, multi‑

k3s timezone localtimeRin Orbit0 rep · 11 Mar 2025, 08:58 UTC