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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...同时读写可能会有IO异常,导致drbd设备失效
为了解决这个问题则使用 gfs + cman 实现分布式文件锁方案
3.3安装cman
yum –y cman
3.4 gfs集群文件系统
在 /usr/local/drbd-utils-8.9.4/etc/drbd.conf
在配置文件的 net 选项中
all...
Origin null is not allowed by Access-Control-Allow-Origin
...t to a server from a local html file and found a solution using Chrome and PHP. (no Jquery)
Javascripts:
var x = new XMLHttpRequest();
if(x) x.onreadystatechange=function(){
if (x.readyState === 4 && x.status===200){
console.log(x.responseText); //Success
}else{
...
Multiple Updates in MySQL
...ice for dynamic updating too. For example, I used that solution in loop in php: $commandTxt = 'UPDATE operations SET chunk_finished = CASE id '; foreach ($blockOperationChecked as $operationID => $operationChecked) $commandTxt .= " WHEN $operationID THEN $ope...
Image resizing client-side with JavaScript before upload to the server
...
method: 'POST',
url: 'https://www.marvinj.org/backoffice/imageUpload.php',
data: form,
enctype: 'multipart/form-data',
contentType: false,
processData: false,
success: function (resp) {
$("#divServerResponse").html("SERVER RESPONSE (NEW IMAGE):<br/><im...
Get characters after last / in url
...
in php7 Returns notice: PHP Notice: Only variables should be passed by reference.
– billynoah
Jan 10 '17 at 14:25
...
How do I get the entity that represents the current user in Symfony2?
...ct the Security service via auto-wiring in the controller like this:
<?php
use Symfony\Component\Security\Core\Security;
class SomeClass
{
/**
* @var Security
*/
private $security;
public function __construct(Security $security)
{
$this->security = $securit...
How do you use $sce.trustAsHtml(string) to replicate ng-bind-html-unsafe in Angular 1.2+
...
Personally I sanitize all my data with some PHP libraries before going into the database so there's no need for another XSS filter for me.
From AngularJS 1.0.8
directives.directive('ngBindHtmlUnsafe', [function() {
return function(scope, element, attr) {
...
How to check if an email address exists without sending an email?
I have come across this PHP code to check email address using SMTP without sending an email .
14 Answers
...
Why shouldn't I use “Hungarian Notation”?
... but that would incur a huge overhead for dynamic languages (Python, Ruby, PHP or Javascript).
– too much php
Dec 29 '08 at 3:45
22
...
Is it fine if first response is private with AppCache (Symfony2)?
...rivate, nocache must validate headers.
I solved problem this way.
In app.php, before I send response to user ($respond->send), I have overwritten the cache control header to blank and set cache headers to public and max age(some value).
//code snippet from app.php
$response = $kernel->...