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8 种提升 ASP.NET Web API 性能的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...k.Delay(2000);
}
8) 返回多个结果集和集合的组合
减少传输的次数不仅多数据库有好处,对于 Web API同样 ,你才有可能使用结果集的功能。
也就是说你可以从DataReader去提取多个结果集 参见以下演示代码:
// read the first ...
How should one go about choosing a default TCP/IP port for a new service?
When developing an app that will listen on a TCP/IP port, how should one go about selecting a default port? Assume that this app will be installed on many computers, and that avoiding port conflicts is desired.
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开源跳板机(堡垒机)Jumpserver v2.0.0 使用说明 - 开源 & Github - 清泛网 ...
...跳板机(堡垒机)系统,实现了跳板机应有的功能。基于ssh协议来管理,客户端无需安装agent。 支持常见系统:
CentOS, RedHat, Fedora, Amazon Linux
Debian
SUSE, Ubuntu
FreeBSD
其他ssh协议硬件设备说明视频:
用户管理: http://v.youku.com/v_show/...
Efficiently test if a port is open on Linux?
...
A surprise I found out recently is that Bash natively supports tcp connections as file descriptors. To use:
exec 6<>/dev/tcp/ip.addr.of.server/445
echo -e "GET / HTTP/1.0\n" >&6
cat <&6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr....
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...下表:
SO_DONTLINGER
SO_KEEPALIVE
SO_LINGER
SO_OOBINLINE
TCP_NODELAY
datagram socket ( SOCK_DGRAM )不支援這些選項
SO_DEBUG
SO_DONTROUTE
SO_RCVBUF
SO_SNDBUF
TCP_NODELAY
有些廠商的WinSock TCP/IP協定核心不支援這些選項
SO_ACCEPTCONN
SO_ERROR
...
How to open a specific port such as 9090 in Google Compute Engine
...n, make sure the instances have the network tag applied.
To allow incoming TCP connections to port 9090, in "Protocols and Ports" enter tcp:9090
Click Create
I hope this helps you.
Update Please refer to docs to customize your rules.
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How to test which port MySQL is running on and whether it can be connected to?
...ee a line that looks like this if mysql is indeed listening on that port.
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN
Port 3306 is MySql's default port.
To connect, you just have to use whatever client you require, such as the basic mysql client.
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What is the largest Safe UDP Packet Size on the Internet
...ented packet. If you want "safe" packets, use a packet protocol on top of TCP.
– Astara
Jun 29 '16 at 1:34
31
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...16-linux2.6-x86_64# ./mysql -ubill -ppass \
-h127.0.0.1 --protocol=TCP
ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
root@myhost:/home/mysql-5.5.16-linux2.6-x86_64# ./mysql -ubill -ppass \
-hlocalhost --protocol=TCP
ERROR 1045 (28000)...
TCP loopback connection vs Unix Domain Socket performance
...re communication with a server running in the same device. Currently using TCP loopback connection for communicating with App and Server (App written in user layer, server written in C++ using Android NDK)
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