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What is AF_INET, and why do I need it?
...ple, supports 29 other address families such as UNIX (AF_UNIX) sockets and IPX (AF_IPX), and also communications with IRDA and Bluetooth (AF_IRDA and AF_BLUETOOTH, but it is doubtful you'll use these at such a low level).
For the most part, sticking with AF_INET for socket programming over a networ...
13 种激励程序员的方法 - 创意 - 清泛网 - 专注C/C++及内核技术
...化比让他们必须在办公室工作更能体现他们的价值。如今软件开发的一个好处是，当今技术允许我们在任何地方工作。如果他们可以在任何地方工作，他们更有可能在办公时间之外的时间来做这些事情，不是因为他们必须这么做...
create a trusted self-signed SSL cert for localhost (for use with Express/Node)
... Then on the connecting machine update the HOSTS file to point the server IP address to the hostname, for example: 192.168.0.50 server.local This will allow the certificate and the address to match up and validate the certificate.
– roskelld
Oct 5 '18 at 18:...
Activity启动器（ActivityStarter）如何查看并启动其他App · App Inventor 2 中文网
...同品牌手机可能略有不同，需要借助“包名查看器”这类软件查看相应系统功能的包名和类名。
如华为 Mate8 的照相机 的包名和类名都为 com.huawei.camera，和标准安卓系统提供的相机的包名和类名是有区别的。
下面代码是利用 Ac...
What is the difference between an Azure Web Site and an Azure Web Role
...beyond Web Apps (formerly Web Sites):
Ability to run elevated startup scripts to install apps, modify registry settings, install performance counters, fine-tune IIS, etc.
Ability to split an app up into tiers (maybe Web Role for front end, Worker Role for backend processing) and scale independentl...
Difference between socket and websocket?
...g to Application Server over a protocol similar to HTTP that runs over TCP/IP. So they are primarily for Web Applications that require a permanent connection to its server. On the other hand, plain sockets are more powerful and generic. They run over TCP/IP but they are not restricted to browsers or...
App Inventor 2 数学积木的9个隐藏用法：随机种子、位运算、取整陷阱，踩中...
...进制，输出 "FF"。做颜色选择器、编码工具、教学软件时特别好用。
技巧9：三角函数全部用角度，不用弧度
和很多编程语言不同，App Inventor 2 的 sin、cos、tan 直接接收角度值（度数），不需要先转弧度。sin(30) 直接...
node and Error: EMFILE, too many open files
... FD TYPE DEVICE SIZE/OFF NODE NAME
...
nodejs 12211 root 1012u IPv4 151317015 0t0 TCP 10.101.42.209:40371->54.236.3.170:80 (ESTABLISHED)
nodejs 12211 root 1013u IPv4 151279902 0t0 TCP 10.101.42.209:43656->54.236.3.172:80 (ESTABLISHED)
nodejs 12211 root 1014...
奇葩职位为何频现互联网？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...访时表示，目前各行业确实进入口碑竞争时代，随着社交软件发展，消费者与消费者间的沟通更顺畅，每个消费者的个人意见在社交圈里的影响力越来越大。可能企业通过一些改进措施在很多方面提高监管能力，但唯独消息群体...
Maximum on http header values?
...y to define the custom max size of the header ?
– Sudip Bolakhe
Apr 30 '19 at 9:52
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