主要错误提示如下: ld: library not found for -lssl clang: error: linker command failed with exit code 1 (use -v to see invocation) error: command 'clang' failed with exit status 1 ---------------------------------------- Failed building wheel for mysqlclient…
我们使用Django.flask等来操作MySQL,实际上底层还是通过Python来操作的.因此我们想要用Django来操作MySQL,首先还是需要安装一个驱动程序.在Python3中,驱动程序有多种选择.比如有pymysql以及mysqlclient等. 常见的Mysql驱动介绍: MySQL-python:也就是MySQLdb.是对C语言操作MySQL数据库的一个简单封装.遵循了Python DB API v2.但是只支持Python2,目前还不支持Python3.mysqlclient:是…
mac系统 pip3 install scrapy 失败 No local packages or working download links found for incremental>=16.10.1 使用pip3 install scrapy命令之后,会出现如下问题: Collecting scrapy Downloading Scrapy-1.4.0-py2.py3-none-any.whl (248kB) 100% |████████████████████████████████|…
系统是Windows Server 2008 R2,补丁Windows Internal Database Service Pack 4 x64 Edition (KB2463332)总是安装失败,Windows Update中显示错误代码 643,事件查看器中显示: Product: Windows Internal Database -- Error 29528. The setup has encountered an unexpected error while Setting Inte…