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： ...

For Americans ages 45 to 54, the median 401(k) balance is just $67,769 according to Vanguard’s How America Saves Report. This is far less than most people need to be ready to retire. Things don’t get ...

Robin Rowe talks about coding, programming education, and China in the age of AI feature TrapC, a memory-safe version of the ...

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Jan. 25, 2026 A massive new study comparing more than 100,000 people with today’s most advanced AI systems delivers a surprising result: generative AI can now beat the average human on certain ...

New Delhi: In a major development, Colombian President Gustavo Petro has openly challenged US President Donald Trump, daring him to capture him. This comes after the US military operation in the South ...

Discover the leading database management systems for enterprises in 2026. Explore key features, pricing, and implementation tips for selecting the best DBMS software to harness your data effectively.

Find historical weather by searching for a city, zip code, or airport code. Include a date for which you would like to see weather history. You can select a range of dates in the results on the next ...

Better sleep supports your overall health, while poor sleep can harm mood, thinking, heart health, immunity, and raise obesity and diabetes risk. Improve your circadian rhythm by getting bright light ...

You can exercise at home without any equipment by practicing yoga poses and strength training exercises that use your body weight for resistance. At-home workouts that focus on body weight exercises ...