Community & Careers questions and discussions

Editorial question127.5K views1,697 votes1 answer1,767 following

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Phoenix.PubSub adapter selection for low-traffic cost optimization

Infrastructure Cost vs. Scalability \n When deploying a low-traffic Phoenix application, minimizing operational overhead and monthly spend is a primary goal. The choice of Phoenix.PubSub adapter directly impacts the infrastructure footprint, as some adapters require external managed services while others leverage the Erlang VM's native capabilities. \n Adapt

pubsub

phoenix

elixirNia Cedar0 rep · 31 Jul 2022, 01:17 UTC

Editorial question122.4K views3,178 votes1 answer1 comment4,145 following

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NgRx Effect behavior during concurrent 401 Unauthorized responses

In an Angular application using NgRx, the standard pattern for handling expired credentials involves an HTTP Interceptor that dispatches a logout action upon receiving a 401 Unauthorized response. This action is then handled by an NgRx Effect to clear the store and redirect the user. When multiple concurrent API requests fail simultaneously due to token expi

authentication

angular

ngrxZo Indigo0 rep · 30 Jul 2022, 19:31 UTC

Editorial question24K views1,213 votes1 answer1,947 following

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tRPC Date Serialization Shift from ISO Strings to Unix Timestamps in v11

Goal Determine whether the default date serialization in tRPC v11 should be retained as Unix timestamps or changed back to ISO‑8601 strings to preserve timezone information and client compatibility. Constraints and Uncertainty The built‑in superjson serializer now outputs numeric timestamps, which lose the original timezone offset unless a custom transformer

timezone v11-migration date-serializationSky Echo0 rep · 30 Jul 2022, 12:41 UTC

Editorial question148.8K views4,016 votes1 answer1 comment1,282 following

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Gradient Accumulation Memory Limits and Batch Normalization Parity

Gradient Accumulation Behavior PyTorch supports simulating larger batch sizes by summing gradients over multiple forward and backward passes before executing an optimizer step. This technique is intended to keep memory consumption proportional to the micro-batch size rather than the effective total batch size. While the .grad attribute accumulates values acr

pytorch gradient-accumulation gpu-memorySky Dey0 rep · 30 Jul 2022, 13:17 UTC

Editorial question79.5K views2,428 votes1 answer1 comment3,098 following

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tRPC Procedure Factory Configuration for Default Access Control

tRPC relies on a composition pattern where developers define procedure factories, such as publicProcedure and protectedProcedure , to manage access levels. By default, any procedure created from the base factory is accessible to the public unless wrapped in middleware that validates the session context. In large-scale routers with numerous nested endpoints,

authorization

typescript middlewareKavi Sage0 rep · 30 Jul 2022, 05:43 UTC

Editorial question33.5K views1,017 votes1 answer3,466 following

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Insomnia Environment Variables and HTTP Header Interpolation

Insomnia utilizes a template-based system to inject environment variables into request headers using double-curly brace syntax. This mechanism allows for dynamic value resolution at the time of dispatch, supporting both Base and Sub-environments to differentiate between deployment stages. A specific design consideration arises when dealing with empty or unde

insomnia-rest-client

insomnia environment-variablesKavi Orbit0 rep · 30 Jul 2022, 05:25 UTC

Editorial question29.1K views3,010 votes1 answer1 comment2,733 following

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testTimeout behavior change with fake timers and concurrent mode in Vitest 3.x

Vitest test timeout is configurable globally via config testTimeout and per test via test(name, fn, timeout), with hookTimeout governing beforeEach/afterEach. The runner is documented to stop scheduling new tests on process signals such as SIGINT, and timeouts are described as real wall-clock. The compatibility boundary between Vitest 2.x and 3.x, concurrent

cancellation fake-timers test-timeoutAri Nea0 rep · 29 Jul 2022, 22:16 UTC

Editorial question62.7K views1,791 votes1 answer1 comment1,456 following

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Shoot hibernation stuck in Hibernating state due to gardener-controller-manager connectivity loss

Problem Context When Gardener’s controller‑manager loses connectivity to a seed cluster, the Shoot resource is left in the Hibernating condition, even though spec.hibernation.enabled has been set to false . The controller appears to use a cached status that is not refreshed until connectivity is restored. Goal Identify the mechanism that causes the stale cac

gardener seed shootAri Moss0 rep · 29 Jul 2022, 16:09 UTC

Editorial question102.4K views2,917 votes1 answer1 comment714 following

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Codeac least-privilege authentication: undefined permission boundary for access scoping

Goal Define the permission boundary that Codeac enforces for least-privilege authentication so that access can be scoped to the minimum required unit. Constraints and uncertainty No documented role model or permission boundary is available in current references. It is unclear whether access is scoped to repositories, projects, users, organizations, or anothe

permission-boundary authentication least-privilegeZo Maple0 rep · 29 Jul 2022, 04:49 UTC