Community & Careers questions and discussions

Editorial question58.1K views4,902 votes0 answers4,791 following

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systemd-resolved stub resolver vs NetworkManager direct resolv.conf management

Enterprise deployments on Red Hat Enterprise Linux often require a choice between utilizing systemd-resolved for its local DNS caching and DNS-over-TLS (DoT) capabilities, or relying on NetworkManager to manage /etc/resolv.conf directly for simplicity and compatibility with legacy applications. While systemd-resolved introduces a dynamic daemon and a local l

redhat systemd-resolved rhelRey River0 rep · 21 Mar 2026, 15:02 UTC

Editorial question32.3K views4,670 votes1 answer3,973 following

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Default SSH Service State in Kali Linux Installation

The goal is to evaluate whether the current default of leaving the SSH service disabled after installation remains appropriate for all Kali Linux use cases, particularly headless or automated deployments where remote access is expected. This evaluation must balance the documented hardening recommendation that prevents accidental public exposure against the o

ssh default-config kali-linuxKavi Byte0 rep · 21 Mar 2026, 00:54 UTC

Editorial question113.8K views3,868 votes1 answer2,044 following

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CouchDB _users Database Validation and Admin Role Constraints

CouchDB utilizes the _users system database to manage user documents, requiring a type field set to user and a roles array to define permissions. In standard configurations, the _users database validation function ensures that the document name matches the caller and that the roles field is a valid array. However, there is uncertainty regarding the default e

authentication database-validation

couchdbRin Maple0 rep · 20 Mar 2026, 21:16 UTC

Editorial question132.2K views1,208 votes1 answer1 comment4,339 following

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"RuntimeWarning: invalid value encountered" flooding logs — how to scope np.seterr without global side effects

A numerical pipeline built on NumPy (assume a recent 1.26/2.x release) emits repeated RuntimeWarning: invalid value encountered in ... messages from a handful of known-benign operations, such as 0/0 ratios in masked aggregations. The goal is to keep genuinely useful alerts for unexpected nan / inf propagation while silencing the expected cases, so real probl

warnings floating-point np-seterrMira Indigo0 rep · 20 Mar 2026, 00:31 UTC

Editorial question133.1K views2,938 votes1 answer3,924 following

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Canva Brand Kit Asset Caching: Stale Colors Issue

Canva Brand Kit Asset Caching When a brand kit color, font, or logo is updated, designers expect the change to appear immediately in all open templates. However, some users still see the previous values until a full page refresh or manual cache clear is performed. Uncertain Invalidation Timing Canva’s documentation indicates that brand kit assets are cached

brand-kit invalidation

canvaMira Sage0 rep · 19 Mar 2026, 00:43 UTC

Editorial question100.4K views2,236 votes0 answers4,215 following

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Clarity session data freshness: missing processing status for newly recorded sessions

Microsoft Clarity records sessions client-side and uploads them asynchronously. The project dashboard and Export API both reflect sessions only after server-side processing completes. On the free tier as of 2024, this delay is commonly reported to range from 30 minutes to 2 hours, and may extend to 24 hours under high load. No public SLA or configuration kno

session-data data-freshness processing-latencyRey Moss0 rep · 19 Mar 2026, 07:08 UTC

Editorial question96.1K views2,786 votes1 answer1,400 following

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Dynamic Database State Restoration: Predicate Order Preservation

Dynamic Predicate Recovery In ISO Prolog, managing the state of a dynamic database involves exporting current facts as Prolog terms and subsequently re-inserting them using assert/1 . This process is essential for maintaining state across sessions or recovering from runtime changes. Ordering Constraints While retract/1 and assert/1 allow for the modification

prolog state-recovery iso-standardMira Nova0 rep · 17 Mar 2026, 23:34 UTC

Editorial question40.5K views3,715 votes1 answer1 comment2,143 following

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NPSS 3.0: Handling Newton Solver Tolerance Changes for Legacy Models

With the release of NPSS 3.0, the default Newton solver tolerance was reduced from 1e-4 to 1e-6 to improve accuracy in high-fidelity cycle simulations. While this change benefits newer models, it may cause convergence issues for legacy turbine and compressor models that previously relied on the looser tolerance. These models may now exceed the maximum iterat

tolerance-settings newton-solver

npssAri Dey0 rep · 17 Mar 2026, 11:48 UTC

Editorial question12.7K views4,217 votes1 answer2,607 following

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Hibernate Pagination Limits with Join Fetching

Hibernate Pagination Limits with Join Fetching Hibernate exposes pagination through setFirstResult() and setMaxResults() on the Query interface. The generated SQL is dialect-dependent, using LIMIT/OFFSET or window functions according to the configured Database Dialect. A documented constraint appears when those methods are combined with JOIN FETCH on collect

hibernate

javaAsh Echo0 rep · 17 Mar 2026, 15:15 UTC