Community & Careers questions and discussions

Editorial question25.3K views2,868 votes1 answer1,991 following

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Racket Thread Scheduler and Garbage Collector Interaction Under Concurrent Requests

Goal: isolate the latency that appears only when many Racket threads handle requests simultaneously, focusing on how the global thread‑scheduler lock and the stop‑the‑world garbage collector interact. Constraints: the current runtime uses a single scheduler lock that serializes context switches, and the GC pauses all threads; the exact conditions that trigge

garbage-collection concurrency schedulerAsh River0 rep · 06 Aug 2023, 13:39 UTC

Editorial question126.7K views2,320 votes1 answer1,301 following

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OpenSSL and Linux distribution CA bundles: resolving the effective trust anchor when SSL_CERT_FILE is unset

Integration boundary OpenSSL relies on the operating system's CA certificate bundle for TLS verification, but each Linux distribution stores it at a different path. The library's compiled-in OPENSSLDIR and SSL_CERT_FILE / SSL_CERT_DIR environment variables form the resolution chain, yet no single fallback is guaranteed when both are unset. Goal and constrain

fips

openssl linux-distributionsIra Dey0 rep · 06 Aug 2023, 13:39 UTC

Editorial question85.7K views2,773 votes1 answer1 comment2,422 following

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HTTP Interface Connection Pooling: Transitioning to Distributed Load Balancing

ClickHouse manages server-side connection limits through the max_connections setting, while the HTTP interface relies on the Connection: keep-alive header and keep_alive_timeout to maintain persistent sessions. In single-node environments, this mechanism handles basic connection reuse effectively. As deployments scale to distributed clusters, relying on inte

connection-pooling

clickhouse load-balancingCig Nova0 rep · 05 Aug 2023, 21:16 UTC

Editorial question32.8K views3,607 votes1 answer1 comment1,166 following

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Prisma DateTime handling and PostgreSQL TIMESTAMPTZ synchronization

Prisma enforces UTC storage for all DateTime values across supported database providers. When utilizing PostgreSQL, the TIMESTAMPTZ type is used to ensure data is stored in UTC, but the Prisma Client returns these as standard JavaScript Date objects. Because timezone conversion occurs at the application layer, there is a disconnect between the database sessi

prisma datetime timezoneRey Byte0 rep · 05 Aug 2023, 17:56 UTC

Editorial question112.4K views3,590 votes1 answer683 following

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jQuery delegated event handling: how tightly should the container be scoped for a dynamic list

Delegated listener placement for dynamically added rows I am wiring click handling for a table whose rows are added and removed at runtime via AJAX, using jQuery 3.7. The documented approach is a single delegated listener, $(container).on('click', 'tr', handler) , so new rows work without re-binding. What I cannot settle is where container should live. Attac

event-delegation dom-events

javascriptSora Nea0 rep · 05 Aug 2023, 02:49 UTC

Editorial question118.1K views3,139 votes1 answer500 following

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Photoshop Convert to Smart Object loses vector mask in 2022+

Goal We want to convert a layer that contains a vector mask and raster fill to a Smart Object while preserving the vector mask data in Photoshop 2022 and newer. Current Observation In Photoshop 2022 and later, the resulting Smart Object rasterizes the vector mask, a change from earlier versions where the vector mask was retained. This behavior is not documen

convert-to-smart-object smart-object

photoshopNeel Nova0 rep · 05 Aug 2023, 08:18 UTC

Editorial question85.3K views3,350 votes1 answer3,626 following

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Behance API v2 free-to-paid tier transition: undocumented request thresholds and cost-effectiveness boundary for low-traffic workloads

Context Behance API v2 enforces a 60-request-per-hour cap on free accounts and a documented 1,000-request-per-hour cap on paid accounts. Adobe does not publish the exact threshold at which paid-tier limits take effect, nor does it disclose whether intermediate tiers exist between the free and published paid limits. Goal Determine the precise request-volume b

behance-api api-tier-migration

behanceNeel Echo0 rep · 04 Aug 2023, 20:40 UTC

Editorial question102.1K views1,649 votes1 answer1,555 following

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Read the Docs pull request previews and the project visibility boundary

Read the Docs can build documentation for pull requests so reviewers can inspect rendered changes before a merge. The unresolved point is how those preview builds relate to the project's visibility setting: whether the preview URL inherits the project's public or private state, or is reachable by anyone holding the link. Visibility is configured at the proje

readthedocs read-the-docs pull-requestsLax Cedar0 rep · 04 Aug 2023, 18:41 UTC

Editorial question95.6K views1,033 votes1 answer4,827 following

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preset-env useBuiltIns and corejs: pinning the installed core-js major for compiled files

In the @babel/core 7.x line, @babel/preset-env can inject polyfills through useBuiltIns, but the corejs option must name a version that matches the core-js package actually installed. With useBuiltIns: 'usage', Babel rewrites each file it compiles to import only the core-js modules that file's syntax requires; with 'entry', it expands a single core-js/stable

polyfills core-js preset-envSora Dey0 rep · 04 Aug 2023, 16:25 UTC