single-leader
multi-leader
Performance
significant latency
network delay hidden from users
Tolerance of datacenter outages
failover
each datacenter operating independently
Solution for multi-leader confliction:
last write wins (LWW)
predefined the replica ranking
merge values together
record the conflict, resolve later
React.js, developed and maintained by Facebook, has become one of the most popular JavaScript libraries for building user interfaces, particularly single-page applications (SPAs). Known for its flexibility, efficiency, and ease of use, React has a large community and a wealth of resources for developers at all levels. Whether you’re a beginner or an experienced developer…
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Mastering coding interviews is crucial for landing a job in tech. One of the best ways to prepare is by identifying and practicing common problem patterns that appear repeatedly on LeetCode. Understanding these patterns not only helps in solving specific problems but also builds a strong foundation for tackling new challenges. Here’s a breakdown of…
node:events:492 throw er; // Unhandled ‘error’ event ^ Error: EPERM: operation not permitted, lstat ‘D:BackupReactNativeCLIreactnativeguessgameandroidappbuildintermediatesdesugar_graphdebugoutcurrentProjectdirs_bucket_2graph.bin’ Emitted ‘error’ event on NodeWatcher instance at: at D:BackupReactNativeCLIreactnativeguessgamenode_modulesmetronode_modulesjest-haste-mapbuildwatchersNodeWatcher.js:275:14 at callback (D:BackupReactNativeCLIreactnativeguessgamenode_modulesgraceful-fspolyfills.js:306:20) at FSReqCallback.oncomplete (node:fs:199:21) { errno: -4048, code: ‘EPERM’, syscall: ‘lstat’, path: ‘D:BackupReactNativeCLIreactnativeguessgameandroidappbuildintermediatesdesugar_graphdebugoutcurrentProjectdirs_bucket_2graph.bin’ } Node.js v20.10.0 Please follow and like us:
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Revisiting the noted release of beta dot maps dot apple dot com just now, I found my way back to back to a “mystery” I deserted some years ago[^1] when “Guides” were first added to Apple Maps. You can see the result inputted into the ChatGPT conversation pasted below of using the share sheet on…
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El otro día estaba en una reunión de “retrospectiva” con mi equipo de desarrollo. Ya sabes, esas reuniones donde analizamos qué ha ido bien, qué ha ido mal y cómo podemos mejorar. En medio de la discusión, María, una desarrolladora, soltó una frase que me dejó pensando: “Chicos, cada vez que añadimos una nueva funcionalidad,…
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