凌晨三点，会议室灯火通明，产品经理指着屏幕上的流程图，唾沫横飞：“为什么用户取消订单后，优惠券没自动退回？” 你低头看了看自己写的代码——订单模块调用了支付模块，支付模块又调用了优惠券模块，优惠券模块还调用了用户模块。这四个模块像 ...

Asynchronous programming with async and await has existed in .NET for years. Now Microsoft is delivering a new runtime environment for asynchronous execution.

The hardest part of working out consistently? Getting started. Once you do, though, you start feeling (and soon, seeing!) the positive impact on your mind and body. But with so many workout options ...