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…
Windows下pip安装及更新出现“UnicodeEncodeError: 'ascii' codec can't encode character u'\u258c' in position 8: ordinal not in range(128)”问题解决办法 问题显示如下: 1.找到Python安装包的路径Lib\site-packages(如:E:\python27\Lib\site-packages) 2.在该路径下创建sitecustomize.py,文件中的内容如下: imp…
http://segmentfault.com/a/1190000000355928 https://getcomposer.org/doc/ 要说Composer的用法,以后再说,现在只记录windows7环境下Composer安装包的Cache目录,先看英文 COMPOSER_CACHE_DIR# The COMPOSER_CACHE_DIR var allows you to change the composer cache directory, which is also config…
pip在线安装十分方便,有时候某些服务器并没有直接联网,需要下载好安装包上传到服务器上进行安装,不经常用,还是有点小麻烦的. 安装Python之后,将下载好的安装包包放在Python安装的根目录下使用pip install packagename 安装,提示Requirement 'pymssql-2.1.4-cp37-cp37m-win_amd64.whl' looks like a filename, but the file does not exist应该是文件路径不对,cmd的默认路径…
最近电脑重装了系统,又重新安装python .在官网下载了安装包后电脑成功安装了,但使用pip命令时出现以下错误 Fatal error in launcher: Unable to create process using 主要原因是工具中的默认的python安装路径和系统中的不一致 参考:http://blog.csdn.net/hyman_c/article/details/52755628 解决: python -m pip…