Use "scrapy" to see available commands 1.使用命令行方式cmd,是因为没有cd到项目的根目录,crawl会去搜索cmd目录下的scrapy.cfg文件. 官方文档中也进行了说明:http://scrapy-chs.readthedocs.io/zh_CN/0.24/topics/commands.html 2.使用的PyCharm来进行运行的时候,,我们所处的位置本来就是项目的根目录,而这个时候还是报错误的话,那就不是没有进入根目录的问题了,而是…
SP2-0734: unknown command beginning "lsnrctl st..." - rest of line ignored. Cause(原因):Command was being entered as an SQL command.在SQL命令窗口输入命令.Resolution(解决方法):Perform the command from the unix command line as the oracle user, that is, do "…
io.lettuce.core.RedisCommandExecutionException: ERR unknown command 'GEOADD' at io.lettuce.core.ExceptionFactory.createExecutionException(ExceptionFactory.java:) ~[lettuce-core-.RELEASE.jar:na] at io.lettuce.core.ExceptionFactory.createExecutionExcep…
用python做爬虫的,肯定熟悉scrapy,不过新手安装总是会遇到各种奇葩错误. 错误一:building 'twisted.test.raiser' extensionerror: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools 这是缺少库文件…