Community & Careers questions and discussions

Editorial question137.4K views3,417 votes1 answer877 following

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Async Zero-Poll vs. Block Timeout: Which Ensures Clean Termination on Playbook Abort?

Background Ansible offers two documented mechanisms for limiting long‑running work: async tasks with poll=0 that return a job ID and block-level timeout that aborts a group of tasks after a wall‑clock period. Goal When a playbook is interrupted (e.g., Ctrl+C), the user wants any background work to be terminated cleanly, leaving no orphaned processes and ensu

ansible cancellation timeoutNia Orbit0 rep · 26 Jul 2023, 05:53 UTC

Editorial question148.4K views500 votes1 answer2,436 following

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Cooperative cancellation limits in NonCancellable cleanup blocks

In Kotlin coroutines, cancellation is cooperative, requiring the coroutine to check its activation state or hit a suspension point. While the NonCancellable context is designed to ensure critical cleanup code executes after a job has been cancelled, it introduces specific constraints regarding resource management and timeouts. The primary concern arises when

cancellation

kotlin noncancellableRahul Nea0 rep · 26 Jul 2023, 01:15 UTC

Editorial question82.8K views1,038 votes1 answer4,362 following

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Passive or Active: Picking FileZilla's Data-Channel Mode for a NAT-Blocked Production Server

FTP splits every session into a control channel (default port 21) and a separate data channel for listings and transfers, and the data channel is the common failure point when a FileZilla setup moves from a LAN to production. Passive mode, FileZilla's default, has the client connect out to a server-supplied address and port; active mode has the server connec

active-mode

filezilla ftpAri Nea0 rep · 25 Jul 2023, 16:36 UTC

Editorial question30.1K views1,530 votes1 answer3,654 following

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Choosing between threshold and anomaly detection monitors to limit Datadog alert noise

Teams want to receive alerts only when a metric truly deviates from expected behavior, avoiding excessive notifications from normal fluctuations. Threshold‑based monitors are easy to configure and give predictable triggering, but a static limit can cause many alerts on bursty or seasonal traffic unless the threshold is tuned tightly. Anomaly‑detection monito

datadog alerting thresholdRin Indigo0 rep · 25 Jul 2023, 01:34 UTC

Editorial question95.8K views1,411 votes1 answer1 comment2,668 following

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Twitter API v2 sandbox lacks persistent state for repeatable integration tests

Goal Establish a repeatable Twitter API v2 sandbox environment that preserves created users, tweets, and follows across test runs to enable deterministic integration testing in CI pipelines. Constraints The sandbox automatically deletes all entities after each session and provides no export/import or configurable seed mechanism. Rate‑limit headers returned b

twitter-api state-persistence sandboxLax Nova0 rep · 25 Jul 2023, 02:47 UTC

Editorial question56.9K views1,977 votes1 answer1 comment3,690 following

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Configuring locale override for HTML5 <input type=date> picker

The goal is to make the date picker shown by an element display a specific language or format (for example, the ISO‑8601 pattern) independent of the user's system locale or the page's lang attribute. Currently, browsers derive the picker UI from the operating system locale and ignore the lang attribute, while the submitted value is always the canonical 'YYYY

input-date locale pickerZo Orbit0 rep · 23 Jul 2023, 19:56 UTC

Editorial question24.1K views1,916 votes1 answer2,578 following

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Snapshot restore versus reversible schema patches: the rollback trade-off when setup:upgrade has no native undo

Magento's declarative schema in db_schema.xml defines a desired database state, but setup:upgrade does not provide a built-in command to undo an applied schema change. The platform intentionally retains tables even when they are removed from the XML, which prevents accidental data loss but also means reverting code alone cannot restore the previous schema. B

setup-upgrade

magento declarative-schemaSky Sage0 rep · 23 Jul 2023, 19:25 UTC

Editorial question107K views2,602 votes1 answer1 comment4,789 following

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QTest notification subscriptions lack digest batching and quiet hours

Goal is to keep operational alerts useful without notification noise in QTest. QTest offers per-user notification subscriptions for project events such as test runs, requirements changes and defects. Controls are managed through user profile and project subscription settings with opt-in per object type and role. Delivery is limited to objects the user can ac

alert-noise

qtest test-managementAsh River0 rep · 23 Jul 2023, 06:27 UTC

Editorial question114.9K views2,333 votes1 answer1,374 following

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Additive schema migration with cache staleness vs. disabling the dispatcher cache during a SpiceDB cutover

I'm planning a zero-downtime migration of a small application's authorization data into SpiceDB (assume v1.30+). The intended path is the documented additive pattern: push a new schema version that only adds relations, backfill relationships with batched WriteRelationships calls, switch reads to the new relations, and drop the old relations in a later schema

spicedb zero-downtime schema-migrationCig Dey0 rep · 23 Jul 2023, 09:21 UTC