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记一次LVS/Nginx环境下的访问控制 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...实际上它看到的是 LVS。可我们明明在 Nginx 日志里看到了客户端的 IP，而不是 LVS 的 IP，这又是什么原因呢？原来 LVS 为了解决 FULLNAT 模式下传递用户 IP 的问题，引入了一个名为 TOA 的补丁机制，在 TCP 的三次握手阶段，通过 TCP ...
SSH免密码登陆教程 - 环境配置 - 清泛IT社区，为创新赋能！
假设 A 为客户机器，B为目标机；
要达到的目的：
A机器ssh登录B机器无需输入密码；
加密方式选 rsa|dsa均可以，默认dsa
做法：
1、登录A机器
2、ssh-keygen -t [rsa|dsa]，将会生成密钥文件和私钥文件 id_rsa,id_rsa.pub或id_dsa,id_dsa.p...
App Inventor 2生成的APP现在的鸿蒙能用吗？ - App Inventor 2 中文网 - 清...
转用户提问：你好，这个AI生成的APP现在的鸿蒙能用吗？
目前是可以的，鸿蒙兼容安卓，有部分客户是使用鸿蒙手机的。
等相对久远的将来，鸿蒙可能独立，我们也会进行鸿蒙适配支持的。
Selenium wait until document is ready
...etely? I want something generic, I know I can configure WebDriverWait and call something like 'find' to make it wait but I don't go that far. I just need to test that the page loads successfully and move on to next page to test.
...
GET URL parameter in PHP
...perglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword).
Since the variable might not exist, you could (and should) ensure your code does not trigger notices with:
<?php
if (isset($_GET['link'])) {
...
PHP exec() vs system() vs passthru()
...
They have slightly different purposes.
exec() is for calling a system command, and perhaps dealing with the output yourself.
system() is for executing a system command and immediately displaying the output - presumably text.
passthru() is for executing a system command which...
Binding to static property
...ink in case anyone wants to read more. Microsoft took it down, but it's on web archive here. web.archive.org/web/20131129053934/http://msdn.microsoft.com/…
– C. Tewalt
Apr 11 '16 at 1:02
...
How To Accept a File POST
I'm using asp.net mvc 4 webapi beta to build a rest service. I need to be able to accept POSTed images/files from client applications. Is this possible using the webapi? Below is how action I am currently using. Does anyone know of an example how this should work?
...
ActionController::InvalidAuthenticityToken
...h were page cached. Pages got buffered with a stale authenticity token and all actions using the methods post/put/delete where recognized as forgery attempts. Error (422 Unprocessable Entity) was returned to the user.
The solution for Rails 3:
Add:
skip_before_filter :verify_authenticity_token
...
How to detect shake event with android?
...CCELEROMETER) {
long curTime = System.currentTimeMillis();
// only allow one update every 100ms.
if ((curTime - lastUpdate) > 100) {
long diffTime = (curTime - lastUpdate);
lastUpdate = curTime;
x = values[SensorManager.DATA_X];
y = values[SensorManager.DATA_Y...