<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[klpk521的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/klpk521</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; klpk521]]></copyright><item><title><![CDATA[sqoop 学习笔记]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/47128043</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/47128043</guid><author>klpk521</author><pubDate>Wed, 29 Jul 2015 14:59:11 +0800</pubDate><description><![CDATA[sqoop import –connect jdbc:oracle:thin:@xx.x.xx.x:1521:sid\ 
    –username username–password password \ 
    –query ‘%s’ \ 
    –split-by name\ 
    –hive-overwrite\ 
     –hive-import  \ 
    –target-]]></description><category></category></item><item><title><![CDATA[postgre sql 类型转换]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/47127725</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/47127725</guid><author>klpk521</author><pubDate>Wed, 29 Jul 2015 14:46:46 +0800</pubDate><description><![CDATA[postgre在数据类型转换上有严格的要求


例如对数据进行环比计算时， round( abs(sum(a)  - sum(b) ) / sum(a)::numeric, 4)]]></description><category></category></item><item><title><![CDATA[ngx_http_fastcgi_module的那些事:]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/45916271</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/45916271</guid><author>klpk521</author><pubDate>Fri, 22 May 2015 13:45:20 +0800</pubDate><description><![CDATA[是什么？

顾名思义，是Nginx用来处理FastCGI的模块。FastCGI是什么？这个以后再讲，可以说的是现在LNMP架构里面，PHP一般是以PHP-CGI的形式在运行，它就是一种FastCGI，我们在进程中看到的PHP-FPM是PHP-CGI的管理调度器。

为什么要详解一下？

因为LNMP不像LAMP，且早期Nginx不支持path_info，导致网上有大量旧版本的Nginx]]></description><category></category></item><item><title><![CDATA[php往图片内添加字符并下载]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/45891005</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/45891005</guid><author>klpk521</author><pubDate>Thu, 21 May 2015 14:03:12 +0800</pubDate><description><![CDATA[开启extension = php_gd2.dll



$source = imagecreatefrompng($filepath) or die('error');//从路径创建源图
$newimg = imagecreatetruecolor(3300, 2550);//设置修改图颜色
imagecopy($newimg, $source, 0, 0, 0, 0, 3300, 25]]></description><category></category></item><item><title><![CDATA[nginx+php-fpm入门配置]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/45825153</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/45825153</guid><author>klpk521</author><pubDate>Mon, 18 May 2015 17:40:54 +0800</pubDate><description><![CDATA[不要搜索之后就粘贴代码.安装nginx, 源码编译安装和二进制安装都可以.  
安装过程中碰到依赖问题慢慢google就会了.vi /usr/local/nginx/conf/nginx.conf (可能你的是在/etc/nginx下) 
主要是找到server{ ... } 的内容, 你安装的可能在site-available目录里找到 location ~ \.php$ {...}, nginx]]></description><category></category></item><item><title><![CDATA[apache占用内存高解决办法]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/44907669</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/44907669</guid><author>klpk521</author><pubDate>Mon, 06 Apr 2015 23:19:45 +0800</pubDate><description><![CDATA[apache占用内存高解决办法


我用512M的vps，访问量不大，但内存占用很大，甚至宕机。

我用top，然后shitf+m发现，httpd占用内存极大。经过网上找资料设置后，用过一段时间终于没再出现内存问题了。

首先查找配置文件的位置，可以用如下命令：

find / -name httpd.conf
找到配置文件/usr/local/apache/conf/extr]]></description><category></category></item><item><title><![CDATA[Mongodb 学习笔记]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/41727125</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/41727125</guid><author>klpk521</author><pubDate>Thu, 04 Dec 2014 17:34:00 +0800</pubDate><description><![CDATA[mongodb 使用和javascript相似


没有表的概念, 取而代之是document, 理解为数据集合. 键值都要用花括号括起来

db.fizzy.save({'fizzy':200});//添加新key
db.fizzy.find(); //不能用#作为注释符号
db.fizzy.find({key:{$queryOperator: value}})	//$queryOpe]]></description><category></category></item><item><title><![CDATA[apache开启gzip]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/41552027</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/41552027</guid><author>klpk521</author><pubDate>Thu, 27 Nov 2014 20:01:49 +0800</pubDate><description><![CDATA[检查hpptd.conf中 Load module_deflate 
添加

    SetOutputFilter DEFLATE
    # Don’t compress images and other 
    SetEnvIfNoCase Request_URI .(?:gif|jpe?g|png)$ no-gzip dont-vary 
    SetEnvIfNoCase]]></description><category></category></item><item><title><![CDATA[ssh连接断开时间设置]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/41316107</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/41316107</guid><author>klpk521</author><pubDate>Thu, 20 Nov 2014 17:03:52 +0800</pubDate><description><![CDATA[修改/etc/ssh/sshd_config文件，将ClientAliveInterval 0和ClientAliveCountMax 3的注释符号去掉,将ClientAliveInterval对应的0改成60,ClientAliveInterval指定了服务器端向客户端请求消息的时间间隔, 默认是0, 不发送.而ClientAliveInterval 60表示每分钟发送一次, 然后客户端响应,]]></description><category></category></item><item><title><![CDATA[No result defined for action com.action.ratingAction and  result success 原因]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/17299219</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/17299219</guid><author>klpk521</author><pubDate>Fri, 13 Dec 2013 11:04:43 +0800</pubDate><description><![CDATA[SSH框架 struts使用注解配置
如果 result name 与 action value都写好 那么最可能的问题就是action value与struts的保留字重名了 改个名字就好]]></description><category></category></item><item><title><![CDATA[Cannot create PoolableConnectionFactory (Communications link failure]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/16806291</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/16806291</guid><author>klpk521</author><pubDate>Mon, 18 Nov 2013 16:17:06 +0800</pubDate><description><![CDATA[最近在使用SSH做登录系统, tomcat启动的时候报错了
 Cannot create PoolableConnectionFactory (Communications link failure

这错有两三页 百思不得其解 之前还好好的
百度无解


goole得出一致的结论: bean id="dataSource" class="org.apache.commons.dbc]]></description><category></category></item><item><title><![CDATA[struts2 + spring3 + hibernate4 极简平台搭建]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/16335717</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/16335717</guid><author>klpk521</author><pubDate>Fri, 15 Nov 2013 09:53:32 +0800</pubDate><description><![CDATA[初学 struts2 + spring3 + hibernate4 很是头疼,网上找了很多代码都不能直用,于是花了好久总算研究出个结果.
希望通过这篇文章给自己加深印象并且让像我一样的新手少绕点弯.
-------------------------------------------------------------------------我是分割线--------------------]]></description><category></category></item><item><title><![CDATA[在64位ubuntu13.10上使用ADT]]></title><link>https://blog.youkuaiyun.com/klpk521/article/details/14160547</link><guid>https://blog.youkuaiyun.com/klpk521/article/details/14160547</guid><author>klpk521</author><pubDate>Tue, 05 Nov 2013 09:04:39 +0800</pubDate><description><![CDATA[初学anroid编程 听说linux下虚拟机不卡 就这么来了
打开eclipse 两个关于adb的错误就弹出来
解决方法：
sudo apt-get install libc6:i386 libgcc1:i386 gcc-4.6-base:i386 libstdc++5:i386 libstdc++6:i386

（参考：http://blog.163.com/china_uv/blog]]></description><category></category></item></channel></rss>