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Article1 reply1 comment2,978 followingPosted 02 Oct 2026, 01:00 UTC46K views3,203 votes

Online Resharding in Vitess: Zero‑Downtime Shard Splitting

Learn how to rebalance Vitess shards online using VSchema and VReplication, with a step‑by‑step example and practical checklist.

Community & Careers · Blog

vitess

Community & Careers

Article1 reply1 comment2,978 followingPosted 02 Oct 2026, 01:00 UTC46K views3,203 votes

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Online Resharding in Vitess: Zero‑Downtime Shard Splitting

Learn how to rebalance Vitess shards online using VSchema and VReplication, with a step‑by‑step example and practical checklist.

Community & Careers · Blog

vitess

Community & Careers

Article0 replies3,740 followingPosted 24 Apr 2026, 04:15 UTC104.5K views4,744 votes

Choosing openSUSE for a small engineering fleet: MicroOS/Aeon vs Leap vs Tumbleweed

Pick immutable transactional MicroOS/Aeon for atomic updates and fast rollback on servers and kiosks, and mutable Leap or Tumbleweed for workstations needing package breadth. Decision hinges on Btrfs, reboot windows, and operator skill.

Community & Careers · Guide

microos transactional-update

opensuse

Community & Careers

Article1 reply1 comment2,474 followingPosted 20 Mar 2026, 11:53 UTC65.7K views4,382 votes

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Using Mercurial’s hg evolve to Safely Rewrite Shared History

Learn how to rewrite pushed commits safely with Mercurial’s hg evolve extension, using obsolete markers and phase management to avoid risky force pushes.

Community & Careers · Blog

devops

mercurial workflow

Community & Careers

Article1 reply1 comment1,459 followingPosted 04 Aug 2025, 06:59 UTC70.4K views4,155 votes

owner commented

Diagnosing NoSuchElementException: None.get in Scala Option code

A practical diagnostic guide for Scala NoSuchElementException: None.get. Identify the throw site, trace the Option origin, apply targeted fixes, and know when to escalate.

Community & Careers · Guide

option-get

scala debugging-techniques

Community & Careers

Article0 replies1,020 followingPosted 04 Oct 2026, 00:23 UTC135.2K views4,816 votes

Sealed Classes in Java 17: Controlled Inheritance and Exhaustive Pattern Matching

Java 17 sealed classes let you lock down inheritance hierarchies and get compile‑time exhaustive pattern matching. This post shows how to declare a sealed interface, use it in a switch expression, and what to watch out for with proxies and modules.

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java java-17 sealed-classes

Community & Careers

Article0 replies3,269 followingPosted 20 May 2026, 04:00 UTC37.6K views4,288 votes

Preventing Data Races in Swift with Actors and Structured Concurrency

Learn how to eliminate data races in Swift using Actors, @MainActor, and structured concurrency to manage shared state safely in asynchronous environments.

Community & Careers · Guide

async-await concurrency

swift

Community & Careers

Article1 reply1 comment1,376 followingPosted 16 Aug 2025, 04:41 UTC66.5K views1,276 votes

owner commented

Managing Prop Bloat: A Strategic Approach to Chakra UI Style Props

Chakra UI style props speed up development but can lead to JSX bloat. Learn how to use semantic tokens and extendTheme to maintain a clean, scalable design system.

Community & Careers · Blog

design-tokens frontend-architecture chakra-ui

Community & Careers

ArticleNew0 replies925 followingPosted 11 Nov 2026, 06:52 UTC19.1K views3,809 votes

Gold Rate Today: September 2026 Seven-Week Low Explained

Gold rate today explained: spot gold fell to a seven-week low on Sept 28, 2026, driven by oil, the dollar and Fed rate-hike bets. Historical context, not live prices.

Community & Careers · General

spot-gold fed-rate-hike gold-price

Community & Careers

Article0 replies3,121 followingPosted 20 Sept 2025, 15:48 UTC103.9K views4,947 votes

Choosing between a fixed uWSGI worker pool and the cheaper subsystem

Decide when to use a fixed uWSGI worker pool versus the cheaper dynamic scaling subsystem for Python WSGI apps.

Community & Careers · Guide

python cheaper-subsystem

uwsgi

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Online Resharding in Vitess: Zero‑Downtime Shard Splitting

Search the community

Online Resharding in Vitess: Zero‑Downtime Shard Splitting

Choosing openSUSE for a small engineering fleet: MicroOS/Aeon vs Leap vs Tumbleweed

Using Mercurial’s hg evolve to Safely Rewrite Shared History

Diagnosing NoSuchElementException: None.get in Scala Option code

Sealed Classes in Java 17: Controlled Inheritance and Exhaustive Pattern Matching

Preventing Data Races in Swift with Actors and Structured Concurrency

Managing Prop Bloat: A Strategic Approach to Chakra UI Style Props

Gold Rate Today: September 2026 Seven-Week Low Explained

Choosing between a fixed uWSGI worker pool and the cheaper subsystem