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Editorial question84.1K views1,737 votes1 answer3,847 following

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Hibernate scroll() vs offset pagination: inconsistent row visibility during zero‑downtime migration

Migrating a small Java application with zero downtime requires a pagination method that preserves data consistency while keeping latency low. Fetch‑size based pagination reduces memory overhead but demands careful transaction boundary management; offset pagination via maxResults/setFirstResult degrades on large tables and can miss or duplicate rows if concur

hibernate

npss paginationNeel Maple0 rep · 22 Sept 2024, 21:57 UTC

Editorial question49.2K views2,382 votes0 answers2,251 following

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Limits of std::views::take/drop for paginating non‑random‑access ranges

Goal In a C++20 application, we wish to expose a paginated view of a large collection by applying std::views::drop(offset) | std::views::take(page_size) to the underlying range. Constraints The underlying range may be a std::vector (random‑access, sized) or a std::forward_list or an istream_view (forward‑only). In the latter case, each drop must walk the ran

ranges views

cppRin Finch0 rep · 22 Sept 2024, 04:00 UTC

Editorial question139.4K views4,822 votes1 answer2,769 following

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Jule 3.2 Reactive Request Pipeline: requestContextPropagation latency trade-offs

Context Propagation and Concurrency Jule 3.2 introduces a non-blocking Reactive Request Pipeline that utilizes a thread-local RequestContext to manage metadata, such as correlation IDs, across asynchronous handlers on an event-loop thread pool. Under high concurrent load, the mechanism for thread-local lookup can create contention points, resulting in micro-

reactive-pipeline concurrency

juleIra Nova0 rep · 21 Sept 2024, 17:34 UTC

Editorial question141.6K views3,479 votes1 answer3,786 following

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Session timezone vs explicit UTC conversion for cross-regional Spark SQL timestamp aggregation

We need to normalize timestamp strings arriving from multiple regional sources into a single UTC column for cross-region aggregation, while still producing local wall-clock outputs for regional dashboards. The source Parquet files store naive timestamp strings, and downstream sinks expect both a canonical UTC value and a region-specific display value. On Spa

timestamp timezone spark-sqlAri Lane0 rep · 21 Sept 2024, 09:16 UTC

Editorial question136.6K views1,215 votes1 answer4,474 following

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Ecto + PostgreSQL: Should Ecto expose a helper for automatic schema drift detection after restore?

Ecto + PostgreSQL: Schema Drift Detection After Restore When a PostgreSQL database is restored from a pg_dump archive, the application’s Ecto schema modules may no longer match the on‑disk structure. The migrations table can become out of sync if the backup predates recent migrations, leading to runtime errors or data inconsistencies. Currently, Ecto offers

database

ecto

elixirKavi Moss0 rep · 21 Sept 2024, 08:33 UTC

Editorial question124.6K views4,443 votes1 answer1,863 following

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Nuxt 3 Server-Side Rendering vs. Client-Side Rendering for Accessibility Tree Stability

Initial Page Load and Screen Reader Experience When developing accessibility-critical interfaces in Nuxt 3, there is a tension between the immediate delivery of semantic HTML and the subsequent hydration process. Server-Side Rendering (SSR) ensures that the accessibility tree is populated as soon as the HTML reaches the browser, which minimizes layout shifts

aria

nuxt accessibilityNeel Vale0 rep · 21 Sept 2024, 01:00 UTC

Editorial question103.7K views3,548 votes0 answers550 following

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TLBI configuration for ASID-scoped invalidation with variable page granule

Designing TLB maintenance for ARMv8-A aarch64 with multi-level page tables and ASID support. The goal is to define a consistent invalidation policy that respects the page granule size selected in TCR_ELx and ASID allocation across cores. The architecture provides TLBI instructions with variants for VA, VA range, ASID-specific and broadcast behavior. Uncertai

tlb-maintenance asid

aarch64Kavi Byte0 rep · 21 Sept 2024, 01:18 UTC

Editorial question148.9K views4,212 votes1 answer2,027 following

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Session state loss during Blue-Green deployment in ASP.NET Core

The goal is to maintain user session data when traffic is switched from the existing (Blue) environment to the updated (Green) environment during a Blue‑Green deployment of an ASP.NET Core application, aiming for zero downtime. Constraints include using the default ASP.NET Core session middleware with its in‑memory provider, a load balancer that can route re

csharp blue-green-deployment session-stateMira Nea0 rep · 20 Sept 2024, 01:12 UTC

Editorial question91.3K views2,571 votes1 answer1 comment1,278 following

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Premiere Pro Preferences Require Manual Reset After a Failed 24.1 Upgrade

The goal is to restore Premiere Pro functionality after a failed upgrade while retaining as much of the user‑customized workspace, keyboard shortcuts, and preset configurations as possible. When an upgrade leaves the application unable to start, the only supported recovery is a full preference reset triggered by holding Alt+Shift (Windows) or Option+Shift (M

premierepro preference-reset upgrade-failureRin Vale0 rep · 19 Sept 2024, 19:57 UTC