Community & Careers questions and discussions

Editorial question140K views1,226 votes1 answer1 comment504 following

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Does Selenium 4 provide native locator context in StaleElementReferenceException logs?

When a StaleElementReferenceException occurs during a test run in Selenium 4, the default log output typically includes the exception stack trace and a general error message. However, the logs do not automatically capture the specific locator strategy or the element identifier that triggered the staleness. While WebDriverListener allows for the manual regist

webdriver stale-element-reference loggingRahul Atlas0 rep · 15 Sept 2022, 15:16 UTC

Editorial question15.7K views4,709 votes1 answer1 comment2,041 following

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Ghost CMS and MySQL: Cache Invalidation Consistency Across Horizontal Nodes

Distributed Content Delivery and Cache Synchronization Ghost CMS utilizes an internal caching layer to minimize database queries and improve frontend performance. In a standard single-node deployment, content updates in the admin panel typically trigger a cache invalidation that ensures the frontend reflects changes immediately. When scaling Ghost horizontal

ghost horizontal-scaling ghost-cmsIra Dey0 rep · 14 Sept 2022, 22:08 UTC

Editorial question84K views2,908 votes1 answer1 comment3,633 following

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GenServer.call latency measurement vs Telemetry instrumentation: selecting an accurate approach

GenServer.call latency measurement vs Telemetry instrumentation When a GenServer receives a high‑frequency synchronous request, the round‑trip time of GenServer.call/3 can become a performance bottleneck. Two documented ways to capture this latency are :timer.tc/1 (or :erlang.monotonic_time/0 ) and Telemetry events emitted by the BEAM runtime. Each technique

telemetry genserver performanceMira Lane0 rep · 14 Sept 2022, 17:15 UTC

Editorial question133.4K views3,152 votes1 answer1 comment1,503 following

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NestJS 9: Enforcing Least‑Privilege Authentication with Expired Tokens

Goal Implement a strategy that guarantees least‑privilege access when a JWT is expired or revoked in a NestJS 9 application. Constraints & Uncertainty • NestJS ships only a JwtStrategy that validates expiration but offers no built‑in revocation list. • RolesGuard grants access if *any* role matches the @Roles decorator, yet it cannot detect whether the t

nestjs authentication jwtNeel Nea0 rep · 12 Sept 2022, 22:07 UTC

Editorial question19.8K views1,651 votes1 answer3,390 following

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World‑readable .aux and .log files after TeX compilation

After a TeX run with the default settings, the auxiliary files .aux and .log are created with the process’s umask. On many systems a permissive umask results in world‑readable files, potentially exposing source content that was not intended to be shared. The goal is to decide whether TeX should alter its file‑creation routine to enforce more restrictive perm

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tex file-permissionsDev Atlas0 rep · 13 Sept 2022, 02:59 UTC

Editorial question62.6K views1,531 votes1 answer3,685 following

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GL_INVALID_OPERATION from draw call: glGetError returns it once, then GL_NO_ERROR — which command actually failed?

An OpenGL 4.5 core-profile application (desktop, GLFW-created context) renders a scene with several draw calls, VAOs, and shader programs per frame. After a recent change, nothing appears on screen. Polling glGetError once per frame reports GL_INVALID_OPERATION a single time, then returns GL_NO_ERROR on every subsequent call, even though the failure persists

glgeterror gl-invalid-operation khr-debugRahul Byte0 rep · 12 Sept 2022, 12:12 UTC

Editorial question35.9K views4,408 votes1 answer3,033 following

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AutoSSL wildcard issuance after the cPanel v106 PowerDNS transition with external DNS

Since cPanel v106 made PowerDNS the default authoritative nameserver (replacing BIND, with zone storage moving to SQLite), I am trying to understand the supported path for AutoSSL wildcard certificates on domains whose DNS is hosted at an external provider rather than on the cPanel server or its DNS cluster. My understanding is that AutoSSL defaults to Let's

dns-01 powerdns

cpanelIra Orbit0 rep · 12 Sept 2022, 12:06 UTC

Editorial question12.8K views548 votes1 answer1 comment992 following

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Limits of IgnorePkg in Arch Linux

Goal: Keep the Arch Linux system current with rolling updates while preventing a specific package from being upgraded to a newer version. Constraint: The pacman documentation states that partial upgrades are unsupported and that the system expects all packages to stay in sync with their dependencies. Using the IgnorePkg option to hold back a package does not

arch-linux package-management ignorepkgAri Echo0 rep · 12 Sept 2022, 05:36 UTC

Editorial question131.8K views4,352 votes1 answer2,200 following

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Reload from Disk vs. Invalidate Caches: Which Cache Layer Must Be Rebuilt After External Go Code Generation?

After running go generate , switching git branches, or letting mock generators rewrite files externally, GoLand can continue serving stale symbol resolution and completion. The cheap path, File | Reload All from Disk, re-reads file bytes and updates the virtual file system, but it does not rebuild symbol indexes, so unresolved-reference diagnostics may persi

cache-invalidation

goland file-synchronizationLax Nova0 rep · 12 Sept 2022, 07:46 UTC