...以把数据分布开来放，100商品，10台服务器一台放10个，无需在当时操作任何数据库。可以订单数够后，停止秒杀，然后批量写数据库。而且秒杀的商品不多。火车票这个不是像秒杀那么简单的，春运时间，几乎所有的票都是热...

...令后，是否支持电源管理功能在EDX的bit8中返回，其余位无意义。 14、EAX=80000008h：虚拟地址和物理地址大小 mov eax, 80000008h cpuid 执行CPUID指令后，物理地址的大小在EAX的bit[7:0]返回，虚拟地址的大小在EAX的bit[15:8]返回，...

...is answer is indeed less efficient. – 把友情留在无盐 Feb 7 '19 at 1:10 ...

...，如浏览网站的产品列表，那么很显然单个服务实例已经无法支持该网站的运营。在这种情况下，我们就需要对该服务进行扩容。 扩容主要分为Scale Up和Scale Out两种，分别对应着增强单个服务的服务能力以及增强服务数量。在...

...用（实际上，一些 malloc 实现只能将内存归还给程序，而无法将内存归还给操作系统）。 物理内存和虚拟内存 要理解内存在程序中是如何分配的，首先需要理解如何将内存从操作系统分配给程序。计算机上的每一个进程都认...

I submitted a brand new app to AppStore and it got rejected by the Lords ... (nothing new there). What I want to do is delete that app completely from my itunesconnect account. I don't know what apple recently changed but in the past once the app was rejected I use to see a "delete" button on the su...

I want to remove my app, which is currently marked "Ready for sale", from the App Store. I could not find any documentation on this, and there is no "Remove from Sale" option in the "Manage Your Apps" section of iTunes Connect. Can anyone guide me on how I can remove my app from the App Store? ...

I have changed the name of an app in Django by renaming its folder, imports and all its references (templates/indexes). But now I get this error when I try to run python manage.py runserver ...

...utton inside the free version that takes people to the paid version in the app store. If I use a standard link 25 Answers ...

...s. I currently have a solution to achieve this, however I need to make the app-instance global to be able to access it in the actions. My current setup looks like this: ...