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Editorial question109.2K views1,957 votes1 answer802 following

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PuTTY local vs remote port forwarding: which default limits accidental public exposure?

I need to pick one forwarding approach in PuTTY for a team that tunnels to internal services through a shared jump host, and the deciding constraint is avoiding accidental public access to those services. PuTTY documents both options under Connection > SSH > Tunnels: local forwarding binds a port on the client machine, while remote forwarding asks the

putty ssh-tunneling ssh-securityAsh Indigo0 rep · 15 May 2025, 18:21 UTC

Editorial question78.9K views3,828 votes1 answer747 following

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Deep-offset performance degradation on large tables - Hibernate

Hibernate ORM offers offset-based pagination via setFirstResult() and setMaxResults() , and seek-based pagination that filters on a monotonic sort key. The goal is to retrieve result pages from large datasets without incurring prohibitive I/O or latency as page depth increases. Offset-based pagination skips N rows at the database level, producing I/O cost th

performance-degradation offset-pagination

atomIra Maple0 rep · 15 May 2025, 16:59 UTC

Editorial question95.4K views4,179 votes1 answer1 comment3,376 following

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Set -e + pipefail vs Manual Exit Checks: Which Guarantees Robust Deployment Log Analysis?

Goal: Diagnose Deployment Failures from Logs In a CI/CD pipeline, a Bash script parses log output to detect errors. The script must terminate immediately upon any failure that may corrupt downstream steps, yet it must also preserve cleanup and error reporting. Constraint: Bash Error‑Handling Semantics Using set -e alone causes the script to exit on the first

bash ci-cd deploymentSky Indigo0 rep · 15 May 2025, 21:44 UTC

Editorial question16.4K views4,141 votes1 answer2,858 following

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Ktor + Exposed: Coordinating Schema Migrations Across Stateless Instances

Context Ktor handles HTTP routing and coroutine-based concurrency while Exposed provides the SQL DSL and DAO layer for persistence. Schema evolution in Exposed relies on SchemaUtils.createMissingTablesAndColumns , which performs additive DDL only and lacks a built-in version history or rollback mechanism. Problem When multiple stateless Ktor instances start

flyway

ktor schema-migrationRey Atlas0 rep · 15 May 2025, 18:12 UTC

Editorial question144.8K views2,414 votes1 answer1,528 following

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MatSnackBar and MatLiveAnnouncer: reducing notification noise in Angular Material alerts

Goal Determine how to configure Angular Material’s MatSnackBar to deliver timely alerts that are audible‑free yet accessible, while avoiding persistent UI noise. Constraints and Uncertainty Default duration is undefined, causing indefinite persistence. Providing an action string renders a dismiss button; omitting or setting config.actions: [] removes it. Rap

accessibility

angularmaterial angular-materialAri Byte0 rep · 15 May 2025, 17:55 UTC

Editorial question34.3K views1,087 votes1 answer1 comment1,965 following

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ISR revalidation interval configuration for low‑traffic Next.js pages

Goal: Lower the compute cost of a Next.js page that receives infrequent traffic by choosing an appropriate revalidation interval for Incremental Static Regeneration (ISR) so that most requests are served from the CDN edge cache rather than triggering a serverless regeneration. Uncertainty: While the framework permits arbitrarily large revalidate values (or f

isr low-traffic

nextjsLax Dey0 rep · 15 May 2025, 11:33 UTC

Editorial question98.5K views1,920 votes1 answer1 comment957 following

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Lack of a standardized userspace API to detect active ARMv8.2‑A LSE atomic instruction usage

Developers need a reliable way to determine at runtime whether their atomic operations are executed using the ARMv8.2‑A Large System Extensions (LSE) instructions or have fallen back to the legacy LDREX/STREX loop, especially on systems that mix CPUs with and without LSE support. While the Linux kernel can optionally disable LSE via a boot parameter or sysct

userspace-api lse-atomics

aarch64Rahul Orbit0 rep · 15 May 2025, 01:48 UTC

Editorial question47.4K views3,519 votes1 answer1 comment1,231 following

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Kaggle Notebooks Interactive Session Timeout vs. Background Save Version: In-Memory State Persistence Boundary

Kaggle Notebooks enforce a documented 12-hour limit on interactive sessions, while background Save & Run All executions may continue for up to 90 hours independent of the browser. A manual Stop terminates the virtual machine immediately, discarding volatile memory. However, the precise compatibility boundary between an interactive session timeout, an ina

background-execution

kaggle notebooksNeel Byte0 rep · 14 May 2025, 12:23 UTC

Editorial question27.2K views1,995 votes1 answer1 comment4,450 following

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RabbitMQ + DNS SRV records: Unresolved behavior in hostname resolution caching

Goal Determine how RabbitMQ handles hostname lookups when clients use DNS SRV records for cluster discovery and whether it refreshes those lookups after a connection is established. Constraints RabbitMQ resolves hostnames via the operating system resolver; it does not natively support SRV records. Once a client connects, the broker does not re‑resolve the ho

certificate-validation tls dnsIra Vale0 rep · 14 May 2025, 18:05 UTC