在Java并发编程的世界里，synchronized是一块绕不开的“基石”——它像一把“互斥锁”，守护着共享资源免受多线程“争抢”的伤害；又似一道“安全屏障”，将竞态条件、数据不一致等线程安全问题隔绝在外。然而，很多开发者对synchronized的认知停留在“加锁语法糖”层面，实践中频频踩坑： ...

2025 marks 20 years of Google Maps — a tool that many of us would be lost without. We hear from New Orleanians who used Google Maps in its inaugural ...

Posts from this topic will be added to your daily email digest and your homepage feed. A conversation with the head of Threads Connor Hayes on creators, ads, and the fediverse. A conversation with the ...

Update December 26, 2025: Threads has now started to roll out “Ghost Posts” these are essentially posts that will disappear after 24 hours. You’ll still be able to see them on your profile afterwards, ...