Community & Careers questions and discussions

Editorial question141.7K views3,286 votes1 answer840 following

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Hibernate Query pagination with JOIN FETCH and database limit/offset

The goal is to configure Hibernate ORM pagination via setFirstResult and setMaxResults so that LIMIT/OFFSET is generated by the dialect and the database applies paging before results are materialized. The queries use JOIN FETCH to load an entity graph in a single round trip. Dialect support for limit/offset can vary by query structure, and Hibernate may fall

dialect join-fetch paginationCig Orbit0 rep · 12 Aug 2024, 23:19 UTC

Editorial question36.9K views3,313 votes1 answer1 comment1,264 following

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Idempotency Strategy: Database-Level Keys vs. Edge Function Routing

Preventing Duplicate Writes During Execution Retries Vercel Serverless Functions may execute multiple times for a single request due to platform-level retries or cold start timeouts. Because the runtime does not natively manage idempotency, write operations to external databases risk duplication if a function is retried after a partial success. There is a de

idempotency edge-functions

vercelKavi Sage0 rep · 12 Aug 2024, 09:45 UTC

Editorial question26.3K views2,173 votes1 answer3,032 following

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Partial reload scroll restoration behavior in Inertia.js v1.x

When using Inertia.js partial reloads (v1.0.0+), the X-Inertia-Partial-Component header updates only the targeted component without a full page refresh. The current implementation does not automatically restore the scroll position after such a reload, leaving scroll handling to the application developer via the inertia:page-update event. This behavior create

version-v1x scroll-restoration

inertiajsAri Finch0 rep · 11 Aug 2024, 14:37 UTC

Editorial question15.8K views1,105 votes1 answer1 comment835 following

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Kali Linux PostgreSQL Backend and Metasploit db_* Commands: Pagination Interoperability Question

Goal: Enable efficient, bounded retrieval of large result sets from Metasploit’s db_* commands that query the default PostgreSQL database used in Kali Linux. Currently, commands such as db_hosts and db_services return all matching rows, forcing users to rely on external scripting or the costly SQL OFFSET clause for pagination, which scans and discards preced

kali-linux

kalilinux paginationNia Atlas0 rep · 10 Aug 2024, 20:57 UTC

Editorial question128.1K views2,954 votes1 answer1,073 following

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Does ROS 2 provide an automatic rollback command after a failed package upgrade?

Goal Determine whether ROS 2 includes a built‑in command that can automatically revert a workspace to the previously installed package versions after a failed upgrade, without requiring manual version‑control steps. Constraints arise because ROS 2 upgrades are performed with colcon build (or catkin_make for ROS 1) and dependencies are updated via rosdep . Ov

colcon

ros rollbackRin Nea0 rep · 10 Aug 2024, 21:56 UTC

Editorial question123.4K views2,003 votes1 answer2,638 following

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How does PyCharm differentiate deployment log content between SFTP and Docker targets when diagnosing transfer failures

Deployment Log Differentiation in PyCharm PyCharm's Deployment tool window consolidates logs for each deployment session, but the underlying structure varies significantly between server types. For SFTP deployments, logs originate from SSH channel operations and include detailed file transfer metadata with permission and ownership information. Docker deploym

sftp logging deploymentNia River0 rep · 10 Aug 2024, 09:39 UTC

Editorial question127.2K views3,157 votes1 answer3,271 following

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RHEL Cgroup Memory Limits and OOM Killer Scoring Interoperability

In Red Hat Enterprise Linux (RHEL 8/9), the interaction between cgroup-based memory limits and the global Out-of-Memory (OOM) killer creates complex resource management scenarios. While the kernel uses a scoring mechanism based on resident set size (RSS) to select victim processes, the behavior shifts when memory pressure is localized within a specific cgrou

oom-killer kernel

redhatSora Maple0 rep · 10 Aug 2024, 04:13 UTC

Editorial question61.4K views3,540 votes1 answer4,952 following

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Ory Hydra token revocation latency limits under concurrent requests

We run Ory Hydra with a PostgreSQL backend and are capacity-planning for workloads that issue many simultaneous calls to the POST /oauth2/revoke endpoint, for example during mass logout or incident-driven token cleanup. Our concern is latency that appears only under concurrency, not in single-request benchmarks. From community discussions and Hydra's own doc

token-revocation

ory oauth2Sky Nova0 rep · 09 Aug 2024, 09:34 UTC

Editorial question84.4K views2,689 votes1 answer1 comment1,539 following

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Titanium SDK project configuration for native toolchain versioning

Native Toolchain Integration Appcelerator Titanium relies on a bridge layer to map JavaScript API calls to native platform implementations. The build process utilizes platform-specific toolchains, such as Xcode for iOS and Gradle for Android, to compile these binaries based on the settings defined in ti.app and ti.app-config . When integrating custom native

native-modules build-configuration titanium-sdkNia Moss0 rep · 08 Aug 2024, 14:21 UTC