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SQL中使用update inner join和delete inner join；Oracle delete join替代...
...r join tb_Address addr on usr.nAddressFK = addr.nAddressID
where usr.id=123
update的格式是
update t1 set t1.name=’Liu’ from t1 inner join t2 on t1.id = t2.tid
MySQL，ACCESS 写法如下：
Sql代码
UPDATE mem_world AS mw1 INNER JOIN mem_world AS mw2
ON mw1.p...
Linux 搭建NTP时间同步服务器 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...火墙需要关闭，否则会阻止NTP服务端口，NTP服务默认端口123)
6、通过ntpq –p静态查看NTP服务器与外部NTP服务器同步情况。
通过watch ntpq -p 动态查看NTP服务器与外部NTP服务器同步情况，一般需要等5--10分钟左右NTP服务器...
Grasping the Node JS alternative to multithreading
...ache is mentioned in the first place. Additionally, the very commonly used PHP module is multithreaded all by its own. And finally, while I'm not an apache expert, my impression from other articles is that the worker MPM is in fact very commonly used.
– Michael Borgwardt
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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 = $kernel->...
Too much data with var_dump in symfony2 doctrine2
...
If you prefer to have the debug output in your php error log, use the following: error_log(print_r(\Doctrine\Common\Util\Debug::export($variable, $depth),1)); It's pretty cumbersome to type every time, but you can easily create a macro for it.
– And...
如何设置squid使外网也可以通过代理服务器上网，并且使用代理服务器的ip地...
...chy_stoplist -i ^https:\\ ?
acl QUERY urlpath_regex -i cgi-bin \? \.asp \.php \.jsp \.cgi
acl QUERY urlpath_regex cgi-bin .php .cgi .avi .wmv .rm .ram .mpg .mpeg .zip .exe
cache deny QUERY
acl denyssl urlpath_regex -i ^https:\\
no_cache deny QUERY
no_cache deny denyssl
ipcache_size 1024
ipca...
phpcms form::checkcode()出错，如何使用phpcms验证码？ - 更多技术 - 清泛...
phpcms form::checkcode()出错，如何使用phpcms验证码？引用的地方：<div id="yzm" class="yzm">{form::checkcode()}<br >点击图片更换< a>< div>代码执行出错：Class 'form' not ...引用的地方：<div id="yzm" class="yzm">{form::checkcode()}<br />点击图片更换</a></div>
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【持续更新】App Inventor 2 中文拓展一览 - App Inventor 2 中文网 - 清泛...
...制数据
【数据库】LeanDB 数据库扩展
【数据库】MySQL + php后端数据库
【数据库】MongoDB + php后端数据库
AppInventor,AppInventor2,拓展0
Service Temporarily Unavailable Magento?
...
@jQuery.PHP.Magento.com It would be in the root folder of your magento website. But it will only be there if the site is stuck in maintenance mode. Under normal operations this file won't exist.
– elMarquis
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What is the meaning and difference between subject, user and principal?
...clarify "User - subset of principal"? If John is the subject and "account #123" is his principal, the user is who? Are there two John's? Since Genus > Species > Individual is increasingly specific, John (user) should be more specific than John (subject). Or am I missing something?
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