系统设计分两大类。高层设计关注宏观架构，描述主要组件如何连接；低层设计关注细节实现，包括类、方法和设计模式。以WhatsApp为例，高层设计考虑用户发消息到API服务器再到消息队列最后送达朋友手机的完整链路，低层设计则考虑如何设计Chat类以及它的发送和接收方法。

Travelers in Kentucky are permitted to stop and sleep at state highway rest areas. Stays at Kentucky rest areas are limited to a maximum of four hours within a 24-hour period. Walmart does not have a ...

EXCLUSIVE: Professor Hannah Fry and Vsauce creator Michael Stevens are teaming to host the latest podcast in Goalhanger‘s Rest is… franchise. Launching in a week’s time on November 25, video-first ...

MinnPost’s journalists are out in the community to report on the things that are happening in Minnesota. Your support right now will help fund their work AND keep our news paywall-free. With the time ...

After serving 40 years in the Minnesota Legislature, DFL state Sen. Ann Rest announced Tuesday that she will retire when her current term ends in 2026. Rest arrived at the State Capitol in 1984 when ...

As summer winds down, I’ve been reflecting on how I spent these past few months. For the first time in a long time, I allowed myself to truly rest—to travel, relax, and recharge. This may sound simple ...

Feeling exhausted despite getting enough sleep? You may be rest-deprived. Many of us equate the word “rest” with “sleep.” While sleep is important, it's only one part of the picture. Different ...

Ohio Gov. Mike DeWine unveiled new rest areas on Interstates 70 and 77 this week. Ohio is adding 33 new rest stops for truck drivers and upgrading 40 existing rest areas by 2026. The rest areas will ...

Black Americans are reclaiming rest as a radical act of resistance against a culture that equates exhaustion with value. The T.R.U.T.H. Project's A Vibe Called Rest Fest is a wellness event that ...

Before I visited the Brooks County Safety Rest Area, an hour and a half southwest of Corpus Christi, I looked it up on a bird tracking app. Although it’s a destination on the Great Texas Coastal ...

State Senator Ann Rest, a Democrat, credited police officers who were proactively checking on her safety with sparing her from an attack. By Mitch Smith State Senator Ann Rest, a Democrat from the ...

In order to restore your mind and body, a solid sleep isn't going to cut it. Years of working, balancing relationships, and dealing with all of life's ups and downs takes a huge toll on our physical ...