上一次讨论类似问题，还是在月初。刚好有老外网友做了一个实验，对 62 门编程语言速度做了一个比较，通过莱布尼茨公式计算 π 值，然后给出运行速度的排名，最慢是 Python （CPython）。实验过程和结果都公开透明，参见网址：https://github.com/niklas-heer/speed-comparison。 有时候，我挺理解那些对 Java 有偏见的程序员的。比如，Python ...

Highs Thursday will range from the low 70s to the low 80s.

Infographic: Major power outage events in 2025 reveal a broad spectrum of reliability risks—from voltage instability and protection failures to extreme weather and heat-related transmission stress.

The Western North Carolina Sculpture Center has announced its first-ever major fundraising event, “Forging the Future,” ...

Oversecured flagged 1,575 flaws in 10 Android health apps with 14.7M installs, putting chats, CBT notes, and mood logs at risk, per BleepingComputer.

Enliven Therapeutics Inc. (Nasdaq: ELVN) reported this week that as of the end of 2025, the clinical-stage precision oncology company has $462.6 million in cash and equivalents, enough runway to fund ...

The 31st annual Kona Brewers Festival takes place March 14 and the Hawaii Kuauli Pacific and Asia Cultural Festival is coming ...

As a contract or freelance teacher in Probolinggo, East Java, he can only get Ro 5,000 (30 US cent) per hour, with a maximum of 100 hours a month. So, even if he is working like a dog the whole day, ...

BENEZETTE — The Elk Country Visitor Center will host public programs in the month of March 2026.

This week marks the beginning of National Women’s History Month, and as such, ladies are front and center in this week’s Night & Day. Emulating the cover-to-cover nature of our editorial package, here ...

Katharine Jarmul keynotes on common myths around privacy and security in AI and explores what the realities are, covering design patterns that help build more secure, more private AI systems.

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 ...