<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[bpj27bpj的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/bpj27bpj</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; bpj27bpj]]></copyright><item><title><![CDATA[ssh项目报错]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/75040896</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/75040896</guid><author>bpj27bpj</author><pubDate>Wed, 12 Jul 2017 20:39:14 +0800</pubDate><description><![CDATA[org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Could not open con]]></description><category></category></item><item><title><![CDATA[ubuntu12.10卸载openjdk安装sun jdk（解决idea不能编译）]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/53896878</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/53896878</guid><author>bpj27bpj</author><pubDate>Tue, 27 Dec 2016 16:56:06 +0800</pubDate><description><![CDATA[今天安装intellij idea后始终不能编译，说缺少jdk；
然后我就安装了一个openjdk；
结果添加到idea的配置后还是不能编译；
就想是不是jdk的原因，然后我就准备用sun jdk替换openjdk
1.首先卸载openjdk，
sudo apt-get purge openjdk*
然后把/usr/lib/jvm文件夹中东西删干净，sudo rm -rf /usr/l]]></description><category></category></item><item><title><![CDATA[ubuntu12.10安装steam遇到的问题]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/53844159</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/53844159</guid><author>bpj27bpj</author><pubDate>Fri, 23 Dec 2016 21:39:27 +0800</pubDate><description><![CDATA[libGL error: unable to load driver: i965_dri.so
解决:
 find ~/.steam/root/ \( -name "libgcc_s.so*" -o -name "libstdc++.so*" -o -name "libxcb.so*" -o -name "libgpg-error.so*" \) -print -delete]]></description><category></category></item><item><title><![CDATA[各种排序算法思想总结]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/53838982</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/53838982</guid><author>bpj27bpj</author><pubDate>Fri, 23 Dec 2016 14:48:03 +0800</pubDate><description><![CDATA[1.选择排序
  每次都找到应该在该位置的数,然后把该数移动到它应该在的位置
  程序:
  public static void selectedSort(int[] a){
          int N=a.length;
          for(int i=0;i
              for(int j=i+1;j
                 if(a[j]]]></description><category></category></item><item><title><![CDATA[ubuntu12.10上安装wine遇到的一些问题]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/53749155</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/53749155</guid><author>bpj27bpj</author><pubDate>Mon, 19 Dec 2016 21:23:31 +0800</pubDate><description><![CDATA[在官网下载的安装包
安装时提示缺少32位包,然后一一安装32位包(比较艰辛)
安装了一系列32位开发库后还是失败!
最后

./configure --prefix=/opt/wine --enable-win64终于成功!!]]></description><category></category></item><item><title><![CDATA[ubuntu12.10安装flash插件]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/53726985</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/53726985</guid><author>bpj27bpj</author><pubDate>Sun, 18 Dec 2016 13:38:58 +0800</pubDate><description><![CDATA[官网下载.tar.gz压缩包
解压　　tar -xzvf  xxx.tar.gz
复制到火狐浏览器插件目录 sudo cp libflashplayer.so /usr/lib/firefox/browser/plugins/

sudo cp -r usr/* /usr]]></description><category></category></item><item><title><![CDATA[利用牛顿迭代法求平方根]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/53640724</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/53640724</guid><author>bpj27bpj</author><pubDate>Wed, 14 Dec 2016 15:49:17 +0800</pubDate><description><![CDATA[下面这种方法可以很有效地求出根号x的近似值：
首先随便猜一个近似值guess，然后不断令guess等于guess和x/guess和的平均数，迭代个六七次后guess的值就已经相当精确了。
例如:
我想求根号2等于多少。假如我猜测的结果为10，虽然错的离谱，但你可以看到使用牛顿迭代法后这个值很快就趋近于根号2了
python:


def sqrt(x):
       guess=]]></description><category></category></item><item><title><![CDATA[OleDbDataAdapter 的Update语句执行时提示“insert into语法错误”解决方法]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/53366593</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/53366593</guid><author>bpj27bpj</author><pubDate>Sun, 27 Nov 2016 20:29:13 +0800</pubDate><description><![CDATA[1、使用OleDbDataAdapter根据select语句向其它表中数据更新数据，方法如下：
public static bool DataSetUpdateTable(string selectSql,DataSet ds)
{
    try{

    OleDbConnertion connection=new OleDbConnection(“链接字符串”)；
    co]]></description><category></category></item><item><title><![CDATA[python验证码识别]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/52892455</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/52892455</guid><author>bpj27bpj</author><pubDate>Sat, 22 Oct 2016 15:14:47 +0800</pubDate><description><![CDATA[from PIL import Image
from pytesser import *


img=Image.open('code.gif')#正方教务管理系统验证码
img=img.crop((3,1,54,21))#将边缘切割掉
his= img.histogram()#得到0-255像素中每一个的个数

im=Image.new("L",img.size,255)#创建一]]></description><category></category></item><item><title><![CDATA[python网页爬虫代理]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/52863179</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/52863179</guid><author>bpj27bpj</author><pubDate>Wed, 19 Oct 2016 20:46:02 +0800</pubDate><description><![CDATA[s = requests.Session()
proxies = {
        'http': 'http://127.0.0.1:8087',
        'https': 'http://127.0.0.1:8087',
}
r = s.get(turl, proxies=proxies, verify=False)]]></description><category></category></item><item><title><![CDATA[git学习]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/52770237</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/52770237</guid><author>bpj27bpj</author><pubDate>Sun, 09 Oct 2016 20:37:13 +0800</pubDate><description><![CDATA[1.新建一个文件夹（工作空间）
2.git init 初始化这个工作空间
3.git add file 添加文件到git仓库中
4.git commit -m “本次版本说明” 提交该版本
5.git log --pretty=online 查看每个版本信息，可以看到每一个版本id

6.git reset --hard HEAD^ 回到上一个版本(HEAD:当前版本，HEAD~1:上]]></description><category></category></item><item><title><![CDATA[解决myeclipse启动项目提示org.apache.jasper.JasperException: Unable to compile class for JSP]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/52766064</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/52766064</guid><author>bpj27bpj</author><pubDate>Sun, 09 Oct 2016 13:43:24 +0800</pubDate><description><![CDATA[1.首先配置好tomcat

2.保证tomcat和java的jdk相同

3.建立项目也要保证一致

Stacktrace:
    at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:103)
    at org.apache.jasper.compiler]]></description><category></category></item><item><title><![CDATA[java socket编程中readline问题]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/52700771</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/52700771</guid><author>bpj27bpj</author><pubDate>Thu, 29 Sep 2016 11:56:02 +0800</pubDate><description><![CDATA[Java socket编程时，常使用BufferedReader的readLine()函数来进行数据的读取。

但是该函数是阻塞的，如果在接收的数据中不含有'\n','\r'或者结束符时，往往导致进程挂起，从而程序无法继续。

所以在发送数据的另一端，一定要记得在最后加换行符。

readline只有读取文件等的结尾才会是null
在网络上（都是阻塞模式），readline是一直等待]]></description><category></category></item><item><title><![CDATA[windows上scrapy环境搭建]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/52684949</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/52684949</guid><author>bpj27bpj</author><pubDate>Tue, 27 Sep 2016 21:35:32 +0800</pubDate><description><![CDATA[1.首先安装python，这个就不用说了吧
2.从 
http://sourceforge.net/projects/pywin32/ 下载安装 pywin32
3.从 
https://pip.pypa.io/en/latest/installing.html 安装 
pip(一般安装python时会自带)
4.直接pip install scrapy]]></description><category></category></item><item><title><![CDATA[python库]]></title><link>https://blog.youkuaiyun.com/bpj27bpj/article/details/52684437</link><guid>https://blog.youkuaiyun.com/bpj27bpj/article/details/52684437</guid><author>bpj27bpj</author><pubDate>Tue, 27 Sep 2016 20:36:13 +0800</pubDate><description><![CDATA[各种库都有

http://www.lfd.uci.edu/~gohlke/pythonlibs/]]></description><category></category></item></channel></rss>