大约有 44,000 项符合查询结果（耗时：0.0195秒） [XML]
企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...浏览器将首先查找本地的DNS缓存是否拥有该域名所对应的IP地址。如果有，那么浏览器将尝试直接使用该IP地址访问该网站的内容。如果本地DNS缓存中没有该域名所对应的IP地址，那么它将向DNS发送一个请求，以获得该域名所对应...
How to find the port for MS SQL Server 2008?
...
On my computer, running Windows 10 and with SQL Server 2012 Express installed, SQL Server Configuration Manager isn't listed in the Windows start menu but can be found in the Computer Management MMC snap-in under the Services and Applications group. The dynami...
Loadbalancing web sockets
...ion is deterministic (using hashed source-IP-port), it will work with TCP (and hence WebSocket).
Also note that a 64k hard limit only applies to outgoing TCP/IP for a given (source) IP address. It does not apply to incoming TCP/IP. We have tested Autobahn (a high-performance WebSocket server) with ...
Http Basic Authentication in Java using HttpClient?
...
Have you tried this (using HttpClient version 4):
String encoding = Base64Encoder.encode(user + ":" + pwd);
HttpPost httpPost = new HttpPost("http://host:post/test/login");
httpPost.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + encoding);
System.out.println("executing req...
防挂马：apache禁止访问文件或目录执行权限、禁止运行脚本PHP文件的设置方...
...oyun.cc/*>
Order allow,deny
Deny from all
</Proxy>
2. 禁止某些IP访问/只允许某些IP访问
如果要控制禁止某些非法IP访问，在Directory选项控制：
<Directory "/var/www/web/">
Order allow,deny
Allow from all
Deny from 10.0.0.1 #阻止一个IP
Deny from 19...
Subdomain on different host [closed]
...'m trying to host a subdomain for my site with a different hosting company and I'm running into issues on how to set it up.
...
How do you add swap to an EC2 instance?
...nce.
Paging works by creating an area on your hard drive and using it for extra memory, this memory is much slower than normal memory however much more of it is available.
To add this extra space to your instance you type:
sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
sudo /sbin/mkswa...
Getting MAC Address
...dress of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing the output of another program doesn't seem very elegant ...
How to access the local Django webserver from outside world
...ollowed the instructions here to run Django using the built-in webserver and was able to successfully run it using python manage.py runserver . If I access 127.0.0.1:port locally from the webserver, I get the Django page indicating it worked.
...
Origin null is not allowed by Access-Control-Allow-Origin
...equest header Origin: null
My PHP response header (Note that 'null' is a string). HTTP_REFERER allow cross-origin from a remote server to another.
header('Access-Control-Allow-Origin: '.(trim($_SERVER['HTTP_REFERER'],'/')?:'null'),true);
header('Access-Control-Allow-Credentials:true',true);
I ...