car evaluation dataset is a free dataset provided by hfh . I now want to cluster this data set through kmeans by studying the book "Machine Learning practice ". It is found that because the car data set is a classified data set, while the kmeans ...
how can git reset only return the version of the git repository to a certain version without affecting the workspace and the staging area? with such a rollback, all the new things in the workspace are gone ...
I recently built a GitLab repository with my own server . Every time I write it locally by clone, then push it to this warehouse, and then clone the contents of this warehouse on the online server (the same server), but I think it s very cumbersome. bu...
after formatting data using pandas s Dataframe, the output found that the column name cannot be aligned with the column data. Do you have any solutions? does not feel overwhelmed after trying to draw the table. Please give us your advice! ...
macOS system, vim uses python s completion plug-in jedi, but the function parameter prompt function of jedi is not available, but Ubuntu has code hints. What is the reason for the same .vimrc configuration? this is the vim,jedi under Ubuntu with prom...
when installing libraries in pycharm, pycharmpackaging_tool.py appears at first Pip on the system is already the latest version. ...
suppose I define an object obj in the module base , and then import > object obj . in the modules a , b and c . then I modified obj in the module a . Will the obj in the modules b and c be modified accordingly? Why? ...
remote libraries don t feel origin? ...
first log in to the ip:port login interface through form submission and execute the do_login function in view.py. If the login is unsuccessful, I want to jump to the original ip:port login, and carry the error message. if I return via rerener (reque...
< H1 > problems I have encountered < H1 > wevsmy@ubuntu:~$ python -m pip -V pip 10.0.1 from usr local lib python2.7 dist-packages pip (python 2.7) wevsmy@ubuntu:~$ python3 -m pip -V pip 10.0.1 from usr local lib python3.5 dist-packages pip (python 3....
my proxy middleware: settings has been set to 544 and added to None by default class IpProxyMiddleware(object): def __init__(self, ip= ): self.ip = ip def process_request(self, request, spider): self.ip = requests.get( http...
webserver parses and forwards the accepted HTTP request packet to the CGI program. What is the basis for inter-process communication? Webserver and CGI programs may be on the same server or on different servers. Is there any way I can capture their traff...
python3.6+pymysql+mysql8.0 you can log in normally with your root account in terminal, as shown in the following figure pymysql it s not okay to create a new user, but you can log in normally in terminal. preliminary judgment is still a proble...
insert but the data is a number, which is stored in the database as a string, and the corresponding field in the database is also of string type The python statement goes like this: sql = insert into uhaoma343 (riqi,uhaoma) values({},{}) .format(r...
...
ask for God s guidance. I have just come into contact with python crawler. I have some questions. Thank you very much. I want to crawl some English news headlines and store them in a csv file my code is as follows import csv, requests, re from bs4...
can the branch names of the local warehouse be different from those of the remote warehouse? ...
when you add r to the following open file, what do you do to ensure that the string is not escaped? ...
A main interface, and then button calls each function and wants to print the running real-time data to the scrolltext of the interface in the function. I passed stext as an argument to the function, and then I did the stext.insert operation and found th...
recently reading "schematic HTTP ", there is no problem with the understanding of the protocol, but there is some confusion in the logical implementation. who completes the segmentation and splicing of HTTP messages when transmitting in blocks? The ...
...
problem description double loop traversing data, unable to get value the environmental background of the problems and what methods you have tried before, there is no double nesting, only one layer of nesting, the data can be rendered normally. ][...
when mac uses quiver, when it is set to markdown, it is found that the copy-and-paste shortcut key is invalid and can only be copied and pasted with the right mouse button. This failure also causes the picture after screenshot to be unable to be pasted. ...
the angular6, used by my front-end developer uses ng-zorro-antd,. There is a problem in using the grid system column spacing within rows can be controlled through gutter-the example of the official website has been seen several times , but how to cont...
...