python3源码: import urllib.request from bs4 import BeautifulSoup response = urllib.request.urlopen("http://php.net/") html = response.read() soup=BeautifulSoup(html, "html5lib") text=soup.get_text(strip=True) print(text) 代码很简单,就是抓取http:/…

安装python的时候出现如下的错误: [root@master ~]#./configure --prefix=/usr/local/python3.6 checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu checking for --enable-universalsdk... no checking for --with-universal-archs.…

安装python的时候出现如下的错误: [root@master ~]#./configure --prefix=/usr/local/python3.6 checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnuchecking for --enable-universalsdk... nochecking for --with-universal-archs...…

方法1.右键选中快捷方式属性选项,在快捷方式页,目标一项最后加上-clean选项,如C:\MyEclipse6\eclipse.exe -clean. 然后重新启动一下MyEclipse. 方法2. java.lang.NoClassDefFoundError: org/eclipse/core/resources/IContainer 解决方法:删除指定的工作目录下.metadata/.plugins的文件夹下所有文件,然后重起MyEclipse! 方法3.最好的方法 是进入 workspac…

原因是系统中安装了jdk9 导致的. 卸载jdk9就可以了 $ java -version Picked up _JAVA_OPTIONS: -Dawt.useSystemAAFontSettings=gasp openjdk version "9-Debian" OpenJDK Runtime Environment (build 9-Debian+0-9b161-1) OpenJDK 64-Bit Server VM (build 9-Debian+0-9b161-1, mixed…

Python3 pip命令报错:Fatal error in launcher: Unable to create process using '"' 一.问题 环境:win7 同时安装python2 和 python3 执行pip 命令报错:Fatal error in launcher: Unable to create process using '"' 二.解决方案 采用命令:python3 -m pip install psycopg2 或者     python3 -m p…

Python3.x:报错POST data should be bytes, an iterable of bytes 问题: python3.x:报错 POST data should be bytes, an iterable of bytes, or a file object. It cannot be of type str. 原因: # 组装GET方法的请求 request = urllib2.Request(url, data, headers) 其中的data需要转为utf-8…

cmd输入pip3 list命令报错 Fatal error in launcher: Unable to create process using '"d:\old_files\py3.6\python.exe"  "E:\py3.6\Scripts\pip3.exe" list' 进入python3的Scripts目录 我的目录是E:\py3.6\Scripts,然后执行cmd 2.执行python pip3.exe install SomePackage进行安…

解决centos7下 selenium报错--unknown error: DevToolsActivePort file doesn't exist 早上在linux下用selenium启动Chrome时出现问题: 报错: Traceback (most recent call last): File "get2.py", line 62, in <module> browser = webdriver.Chrome() File "/root/.pyenv/v…

JS function document.onclick(){}报错Syntax error on token "function", delete this token function document.onclick() //任意点击时关闭该控件 //ie6的情况可以由下面的切换焦点处理代替 {    with(window.event)   { if (srcElement != outObject && srcElement != outButton)    …