用在测试时查看图片，及DEBUG = True，当为False时失效，交给代理服务器

流程控制：if 分支结构In the last chapter, we were presented with a problem. How can we make our reportgenera

All Unix-like operating systems rely heavily on text files for several types of datastorage. So it makes sense that there are many tools for manipulating text. ...

There is an old joke about a visitor to New York City asking a passerby for directions tothe city’s famous classical music venue:

At this point, we are ready for some real work! This chapter will introducethe following commands:

自己调试，暂停用延时，访问到-f:System Volume Information是会有java.lang.NullPointerException，所以用if和else判断，方便观察

学习过程中自己记录一下import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.BufferedReader;import java.io.File;import java.io.FileInpu...

关于log4j.properties的配置，网上并没有太多资料，大多是CV大法导致只有一个一模一样的例子。因此，在这里举几个例子，加深大家对log4j.properties的理解。...

尊重劳动成果，请访问CSDN著者原文链接 http://blog.csdn.net/zixiao217/article/details/51927563  IO输入输出，一般操作顺序都是 输入 - 处理 - 输出 - 关闭  这节演示一个读取文本文件的示例。  Python的BIF op...

IOFile类作用访问和操作文件的类创建方式File file = new File( String pathname );常用方法boolean exists( )//判断文件是否存在boolean isFile( )//判断是否是文件boolean isDirectory( )//判断是否为文件目......