发布时间：2015-07-30 11:11:53
<div id="art_demo">MySQL 的默认设置下，当一个连接的空闲时间超过8小时后，MySQL 就会断开该连接，而 c3p0 连接池则以为该被断开的连接依然有效。在这种情况下，如果客户端代码向 c3p0 连接池请求连接的话，连接池就会把已经失效的连接返回给客户端，客户端在使用该失效连接的时候即抛出异常</div><br />解决这个.........【阅读全文】
发布时间：2015-07-30 10:52:36
<pre style="white-space:normal;color:#494949;font-size:14px;line-height:21px;background-color:#C9F3E9;"><span style="word-wrap:normal;word-break:normal;color:#000000;">（1）获取一个配置文件 </span></pre><pre style="white-space:normal;color:#494949;font-size:14px;line-height:21px;background-col.........【阅读全文】
发布时间：2015-07-17 12:20:01
<p>Use them all the time to process long-running operations asynchronously. A web user won't want to wait for more than 5 seconds for a request to process. If you have one that runs longer than that, one design is to submit the request to a queue and immediately send back a URL that the user ca.........【阅读全文】
发布时间：2015-07-08 18:10:32
<span style="color:#111111;font-family:Arial, Helvetica, sans-serif;font-size:13px;line-height:21.0599994659424px;white-space:pre-wrap;background-color:#FFFFFF;">拷贝svnserve.conf authz passwd到/home/svn下面,<span style="color:#111111;font-family:Arial, Helvetica, sans-serif;font-size:13px;line-he.........【阅读全文】
发布时间：2015-07-08 09:33:34
<p style="margin:10px auto;font-family:Verdana, Arial, Helvetica, sans-serif;font-size:14px;line-height:21px;white-space:normal;background-color:#FFFFFF;"><span style="margin:0px;padding:0px;font-size:16px;"> 一.字符串函数</span></p><div style="margin:0px;padding:0px;font-family:Verdana, Ar.........【阅读全文】
