这不是一条 SQL 就搞定的事情吗？ 我曾经负责过的并发量蛮高的商品库存系统，核心扣减逻辑真的就是靠一条 SQL 搞定的。没有引入分布式锁（如 Redis Lock）或者消息队列。 核心思路其实就是数据库层面的乐观锁。利用 MySQL 的行锁特性 + UPDATE 语句的原子性，再配合 Java 中判断影响行数（Affected ...

Weeks of frigid cold, which morphed snow mounds into immovable, roadside icebergs, have added motivation to an annual question. When does spring 2026 start? It’s been a harder winter than in recent ...

Devices that don’t receive new Secure Boot certificates may miss out on future security updates. Devices that don’t receive new Secure Boot certificates may miss out on future security updates. is a ...

Microsoft has announced that the original Secure Boot certificates that were issued when the feature first began shipping 2011 are set to expire this June, and that PCs which are not up to date will ...

It’s your time to shine millennials, ankle boots are back and trending. Plus, more styles you’ll need for spring showers ahead. By Camila Quimper Feb 07, 2026 12:00 AMTags French girl fashion is back ...

Spring training is almost here for the New York Yankees. Pitchers and catchers will head to Tampa in less than a week, and after bringing back Cody Bellinger on a five-year deal, the Bronx is ready to ...

Milwaukee Brewers pitchers and catchers are scheduled to have their first official workout at American Family Fields of Phoenix on Thursday, Feb. 12 and the first full-squad workout is scheduled for ...

The National Weather Service and a pair of longtime weather almanacs say New York may see warmer-than-normal weather this spring, though likely not in February. The Weather Service's seasonal outlook ...

It's Groundhog Day 2026, and Punxsutawney Phil predicted we will see six more weeks of winter. While many booed and scowled at the idea of more cold, the woodchuck may not be so far off. The first day ...

The sun is setting later and the days are growing longer, a sign that that the clocks are about to spring forward an hour for the time change. Here's when and what to know about the start and end of ...

ZANESVILLE, Ohio – A new business held a ribbon-cutting on Friday at Northpointe Center to kick off a weekend-long celebration. The Boot Barn had a soft opening on the 13th and todays ribbon cutting ...

MLB players will begin defrosting in February for the start of spring training ahead of the 2026 regular season, which begins at the end of March. The players from all 30 teams will either travel down ...