pip安装包报错:Microsoft Visual C++ 9.0 is required Unable to find vcvarsall.bat Windows7下pip安装包报错:Microsoft Visual C++ 9.0 is required Unable to find vcvarsall.bat 在Windows7x64下使用pip安装包的时候提示报错:Microsoft Visual C++ 9.0 is required (Unable to find vcvarsal
从SVN导出一个Maven项目,pom.xml首行报错: Failure to transfer org.codehaus.plexus:plexus-components:pom:1.1.20 from http://maven.oschina.net/content/groups/public/ was cached in the local repository, resolution will not be reattempted until the update interval of
(一)问题描述 Centos7 安装python-igraph时,pip install python-igraph 报错,C core of igraph 没有安装. failure: repodata/repomd.xml from base: [Errno ] No more mirrors to try. Cannot find the C core of igraph on this system using pkg-config. We will now try to downloa
问题描述 当前环境win10,python_3.6.1,64位. 在windows下,在dos中运行pip install Scrapy报错: building 'twisted.test.raiser' extension error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/vis
pip install MySQL-python 报错 pip install MySQL-python DEPRECATION: Python . Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7. Looking in indexes: http://mirrors.clou