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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...
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:...
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...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...态正则表达式等先进功能，是linux unix下的一个强大编程工具。
目录：
1. awk简介
2. awk命令格式和选项
2.1. awk的语法有两种形式
2.2. 命令选项
3. 模式和操作
3.1. 模式
...
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...
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...
VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...disk 报错，磁盘空间太大，fdisk 不支持，需要使用 partdutil工具。
找到另一份资料 先列出磁盘
~ # ls /vmfs/devices/disks
naa.600507680282928ce000000000000005
naa.600507680282928ce000000000000005:1
naa.600507680282928ce000000000000009
naa.600507680282928c...
Maximum on http header values?
...y to define the custom max size of the header ?
– Sudip Bolakhe
Apr 30 '19 at 9:52
1
Be aware of ...
WhatsApp如何成为销售钻戒的店面？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...为如今这些应用往往是上千万千禧一代进行交流时使用的工具。WhatsApp的月活跃用户数已经逼近10亿。
皮瑞安科夫的团队一开始对于在自己的个人电话上使用WhatsApp与用户进行沟通是持犹豫态度的，但2015年1月，当WhatsApp通过谷歌...
How to pass a user defined argument in scrapy spider
...o pass arguments to run on scrapyd replace -a with -d
curl http://your.ip.address.here:port/schedule.json -d
spider=myspider -d category='mycategory' -d domain='example.com'
The spider will receive arguments in its constructor.
class MySpider(Spider):
name="myspider"
def __init__...