Community & Careers questions and discussions

Editorial question44K views1,821 votes0 answers4,169 following

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Mocha --grep with --retries: filter once up front or re-apply the pattern on every retry?

I'm designing a CI job that runs a subset of a Mocha suite using --grep to match test descriptions, combined with --retries to absorb flaky failures. The goal is a single command that runs only the matching tests and retries only those same tests when they fail. The uncertainty is how the two flags interact. My understanding is that Mocha re-applies the grep

grep test-filtering retriesKavi Indigo0 rep · 16 Oct 2024, 21:15 UTC

Editorial question116.8K views1,719 votes1 answer2,598 following

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Expand and Contract vs. Single-step Migrations for Railway Rollback Safety

When deploying schema changes on Railway, developers must choose between single-step migrations and the 'Expand and Contract' pattern. Since Railway does not natively guarantee transactional DDL across all database engines, a failed migration can leave the schema in an inconsistent, partially migrated state. Single-step migrations rely on manual 'down' metho

database-migrations

railway schema-changeRahul Indigo0 rep · 15 Oct 2024, 19:50 UTC

Editorial question21.1K views3,992 votes1 answer4,123 following

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Media Cache location change to network share in Premiere Pro 2023 and later

When configuring Adobe Premiere Pro (version 23.0 or later) to store its Media Cache on a network share, the application relies entirely on the underlying share permissions for security, as it does not encrypt or apply additional access controls to the cached preview files. The goal is to understand whether changing the Media Cache path to a network location

network-share

premierepro media-cacheMira Dey0 rep · 15 Oct 2024, 07:28 UTC

Editorial question149.8K views4,832 votes1 answer1 comment3,826 following

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Limits on CodePen Autosave Retry Interval to Avoid Duplicate Pen Writes

Goal: Determine the effective upper bound on the time between successive autosave requests that CodePen’s frontend will send when a user makes rapid edits, considering both the client‑side debounce and any automatic retry after a network interruption. Constraints: The debounce interval (~2 seconds) is not exposed in public documentation and may be adjusted i

idempotency retry

codepenRahul Echo0 rep · 15 Oct 2024, 09:38 UTC

Editorial question143.1K views4,962 votes1 answer4,623 following

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Axios CancelToken vs AbortController: Which Cancellation Wins?

Axios Cancellation Interoperability Goal: determine which cancellation mechanism takes effect first when both a legacy CancelToken and a modern AbortController are attached to a single Axios request. Constraints include Axios v1.5+ deprecation of CancelToken , native AbortController support only in browsers and Node v15+, and the fact that Axios does not aut

cancel-token

axios http-clientSora River0 rep · 14 Oct 2024, 22:30 UTC

Editorial question59.7K views4,046 votes0 answers1,873 following

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Integration Check Precedence Conflict Between datadog.yaml and conf.d/<check>.yaml in Datadog Agent 7.x

When configuring a Datadog integration check, administrators may define the same parameter in both the main datadog.yaml file and the check‑specific file under conf.d/.yaml . The goal is to determine which value the Agent actually applies at runtime in Agent 7.x, especially when the dual‑stack migration mode is enabled and the autopilot feature may be managi

version-7 agent-configuration

datadogLax Vale0 rep · 13 Oct 2024, 03:58 UTC

Editorial question66.3K views2,064 votes1 answer1 comment967 following

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OPcache memory exhaustion and interned strings buffer limits

PHP's OPcache extension utilizes a shared memory pool to store precompiled bytecode, governed by opcache.memory_consumption and opcache.interned_strings_buffer . While the primary memory pool handles script bytecode, the interned strings buffer specifically optimizes memory by storing identical strings across different scripts. When the shared memory pool re

opcache memory-management performance-tuningIra Dey0 rep · 12 Oct 2024, 13:40 UTC

Editorial question138.8K views3,202 votes1 answer2,553 following

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Elm Result Types and Serverless Packaging: Interoperability Cost Boundary

Elm compiles ahead-of-time to JavaScript, and its Result type replaces exceptions with explicit success and failure values. For a low-traffic serverless function, this pairing promises predictable control flow and potentially lower cold-start latency than interpreted runtimes. However, the integration boundary between Elm's exhaustive pattern matching and se

result-type serverless

elmDev Cedar0 rep · 12 Oct 2024, 04:51 UTC

Editorial question52.1K views1,623 votes1 answer2,842 following

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JWT Expiration vs. Embedded Refresh Token: Which Approach Yields Clearer Error Handling?

Goal Enforce least‑privilege access and gracefully handle expired JWTs in a Ktor 2.x application. Unresolved Decision When a request arrives with an expired access token, should the application: Option A: Rely on the JWT verifier’s built‑in exp validation, then perform a custom verify lambda that checks roles and optionally initiates a refresh flow via a sep

authentication

ktor jwtMira Orbit0 rep · 12 Oct 2024, 03:55 UTC