Community & Careers questions and discussions

Editorial question38.2K views2,166 votes1 answer2,874 following

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Grafana zero-downtime data source migration: file-based provisioning reload or HTTP API partial updates?

I'm planning a migration of a small Grafana instance (single node, Grafana 10.x assumed) to a new back-end data source endpoint, and the goal is to keep all dashboards queryable throughout the switch with no restart and no visible gap for viewers. Two documented approaches seem viable, and I'm unsure which fits this constraint better. File-based provisioning

grafana provisioning data-sourcesAri Sage0 rep · 05 Jan 2025, 18:15 UTC

Editorial question63K views3,237 votes1 answer804 following

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Choosing Between RSpec's Lazy let and Eager let! to Minimize Latency in Concurrent Test Runs

The goal is to select either RSpec's lazy let or eager let! helper so that test suites exhibit minimal latency when executed under simulated concurrent request loads, while preserving test isolation. Using let defers setup until the helper is first referenced, which can reduce per‑example CPU usage in parallel workers but may hide ordering dependencies that

rspec let-bang concurrencyMira Echo0 rep · 05 Jan 2025, 09:58 UTC

Editorial question123.7K views2,181 votes1 answer2,485 following

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Does an expired password block SSH public-key login on openSUSE Leap?

Password expiry versus account expiry during key-based SSH sessions On openSUSE Leap 15.x, the shadow suite stores password aging in /etc/shadow , managed through chage or YaST. Two mechanisms are easy to conflate: password expiry past the maximum age, which normally forces an immediate change at the next login via PAM, and a hard account expiry date, which

ssh

opensuse password-expiryAsh Lane0 rep · 05 Jan 2025, 01:36 UTC

Editorial question88.8K views4,326 votes1 answer1 comment789 following

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Configuring d3.json to Send Custom Authorization Headers

Goal: Use d3.json to fetch JSON data from an API that requires a scoped bearer token for least‑privilege access, while ensuring that expired credentials are handled without exposing the token to unrelated parts of the application. Constraint: d3.json (and related loaders) accept only a URL and an optional callback, and they internally call fetch(url) or XMLH

authentication

d3js configurationRey Dey0 rep · 03 Jan 2025, 19:23 UTC

Editorial question94.2K views709 votes1 answer1,644 following

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esbuild Pre-Bundling vs Rollup Build: Keeping Vite Dev and Production Aligned

Vite deliberately runs two pipelines: in dev, dependencies are pre-bundled to ESM by esbuild and cached under node_modules/.vite , while production builds go through Rollup. This split is documented architecture, not an accident, and it creates a real interoperability question for teams shipping packages that mix CommonJS and ESM entry points. The constraint

vitejs

vite

rollupRahul Nea0 rep · 03 Jan 2025, 19:41 UTC

Editorial question18K views2,648 votes0 answers2,149 following

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Does the NATS server reuse the same CA file for both server and client verification when mutual TLS is enabled?

When running a NATS server locally with mutual TLS, administrators often point both the server certificate and the client verification trust store to the same self‑signed CA file, and connections succeed. In a production environment that uses a certificate chain signed by a public or internal CA, the same configuration sometimes fails because the server appe

nats tls certificateAsh Cedar0 rep · 04 Jan 2025, 00:29 UTC

Editorial question46.6K views4,439 votes1 answer4,248 following

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Unable to load required components: Sourcetree upgrade failure

Problem description A silent upgrade of Sourcetree (e.g., 4.x to 5.x) may terminate mid‑install, leaving the application directory with a mix of old and new binaries. The installer does not create a backup or expose a rollback option, and the Windows Installer transaction may not fully revert file changes. Consequently, launching Sourcetree can result in a c

rollback windows-installer upgrade-failureMira Echo0 rep · 03 Jan 2025, 09:53 UTC

Editorial question121.9K views3,215 votes1 answer1 comment4,643 following

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OpenSUSE Leap 15.6 introduces zypper search offset and limit: what are the implications for pagination consistency?

Goal: Bounding and Paginating Large Package Queries OpenSUSE Leap 15.6 added --offset and --limit flags to zypper search , allowing administrators to retrieve a specific slice of package entries from a repository. This feature is intended to reduce memory usage and improve CLI responsiveness when dealing with thousands of packages. Constraints and Uncertaint

offset-limit

opensuse zypperRahul Lane0 rep · 02 Jan 2025, 20:21 UTC

Editorial question130.7K views1,223 votes0 answers3,102 following

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Which timezone applies when OffsetDateTime and ZonedDateTime are serialized in Dropwizard without explicit configuration?

When Dropwizard resources serialize date-time fields using Jackson, the ObjectMapper's default timezone resolution depends on whether an explicit TimeZone has been set in the Environment configuration. If none is provided, the JVM's system default is used, which may differ across deployment targets and affect the format of serialized date-time values. The ch

dropwizard offset-date dropwizard-timezoneIra Nova0 rep · 02 Jan 2025, 18:27 UTC