Community & Careers questions and discussions

Editorial question145.2K views3,256 votes1 answer812 following

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Read the Docs build failure and live version persistence limits

Documentation Versioning and Build Failures Read the Docs employs a build-server architecture that triggers documentation generation via VCS webhooks. When a build is initiated, the system attempts to transform source files into static HTML using tools like Sphinx. A critical behavior occurs when a new build fails: the platform typically maintains the previo

readthedocs read-the-docs version-controlIra Echo0 rep · 25 Feb 2024, 04:51 UTC

Editorial question138.8K views2,722 votes1 answer4,273 following

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Configuring CloudKit CKModifyRecordsOperation retries to prevent duplicate writes

Goal Configure a CloudKit modify operation so that a retry after a timeout or rate‑limited error does not create a duplicate record and does not silently overwrite concurrent edits made by another client. Constraints and uncertainty The operation uses a fixed CKRecord.ID to guarantee idempotency, but the chosen savePolicy (.ifServerRecordUnchanged, .changedK

ckmodifyrecordsoperation savepolicy retryZo Orbit0 rep · 25 Feb 2024, 03:26 UTC

Editorial question44.5K views1,117 votes1 answer1,103 following

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k3s server memory grows steadily: separating a real leak from cache and containerd

k3s ships the control plane, kubelet, containerd, flannel, CoreDNS and ServiceLB as a single binary per node. When the k3s server process shows steady RSS growth on a node with otherwise stable workloads, node-level metrics alone cannot say whether that growth is a genuine leak in one embedded component, page cache accounted to the process, or containerd ima

k3s

kubernetes troubleshootingSora Moss0 rep · 24 Feb 2024, 06:42 UTC

Editorial question133.8K views4,198 votes1 answer1,504 following

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RepeatedTest with @TestInstance(PER_CLASS) yields varying instance IDs

Determine whether JUnit 5’s @RepeatedTest annotation creates a new test instance for each repetition when the test class is annotated with @TestInstance(Lifecycle.PER_CLASS) . The current specification does not explicitly state if the same instance should be reused across repetitions, and the behavior is still under discussion in the project’s issue tracker.

junit5 repeatedtest test-designRahul Maple0 rep · 23 Feb 2024, 10:03 UTC

Editorial question128.9K views4,478 votes1 answer1,388 following

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Limiting VS Code Notification Noise Without Losing Critical Alerts

The goal is to minimize VS Code’s notification interruptions while still surfacing alerts that require immediate attention. The available controls include a global toast toggle, per‑extension silencing lists, and the option to hide the Notification Center badge, but each approach either suppresses all toast notifications or requires manual maintenance of ext

ui notifications

vscodeRin Echo0 rep · 23 Feb 2024, 02:59 UTC

Editorial question23.9K views1,611 votes1 answer1 comment4,755 following

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NW.js packaged app accessibility tree exposure and screen reader configuration

A packaged NW.js application relies on the bundled Chromium accessibility tree to expose DOM roles, labels and states to native assistive technologies. The user-facing workflow needs predictable screen reader compatibility across platforms, but there is no documented NW.js configuration that explicitly controls or tests that mapping. Accessibility support is

accessibility

nodewebkit nw-jsAsh Sage0 rep · 22 Feb 2024, 10:27 UTC

Editorial question146.7K views2,010 votes1 answer1 comment4,056 following

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RangeError: Maximum call stack size exceeded when calling core-js Array.flat on deeply nested arrays

Problem Context \n When using the core-js polyfill for Array.prototype.flat on deeply nested arrays, a RangeError: Maximum call stack size exceeded can be thrown. The polyfill implements a recursive algorithm that follows the ES2022 specification, but it does not guard against stack overflow on highly nested structures. \n Unresolved Decision \n core-js pres

corejs polyfill core-jsSky Nea0 rep · 22 Feb 2024, 03:45 UTC

Editorial question17.2K views2,835 votes1 answer3,156 following

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Limits of Framework7 Router Navigation Guards for Aborting Page Transitions During Failed Upgrades

When an upgrade fails mid‑navigation, developers may rely on Framework7’s router navigation guards to abort the transition and roll back to the previous view, thereby preserving user context. However, the guard API changed between v5 and v6, and it is unclear whether the existing guard implementation remains compatible across versions or whether aborting a t

navigation-limits

framework7 router-guardsSora Nova0 rep · 21 Feb 2024, 19:55 UTC

Editorial question101.6K views4,387 votes1 answer3,438 following

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Persistent queue event ordering constraints during rolling node migrations

Migrating a small Logstash application without downtime typically requires utilizing persistent queues to buffer incoming data during a rolling update. While setting queue.type: persistent ensures that events are written to disk and survive restarts, the behavior under high concurrency remains complex. n When multiple worker threads are configured to process

logstash concurrency persistent-queuesKavi Maple0 rep · 21 Feb 2024, 16:13 UTC