Please indicate the source of the reprint: http://blog.csdn.net/l1028386804/article/details/78845722
Imagine an environment where you can access an SSH server on your intranet and you also want to access a Web server on the same segment.You cannot access the Web server directly, but SSH servers can access the Web server and there are no tools ...
Posted by k994519 on Fri, 01 May 2020 11:11:52 +0200
1.flask specific variables and functions:
Variables: g, session, request, config
Functions: URL for(), get flashed messages(), please pay attention to this function. Remember that it is a function. Don't forget to write brackets!!!!!!!!!
I don't need to talk much nonsense. I'll go straight to the code to experience it:
First, explain a bug. Whe ...
Posted by keith73 on Fri, 01 May 2020 11:01:27 +0200
Suppose you have installed bs4 requests
This novel is chosen at will, so you don't have to worry too much
Python 3 implementation. There are too many crawlers using Python 2 on the Internet, but there are still few crawlers using Python 3
The link is https://www.qu.la/book/12763/10664294.html
Get the title of the article (find the exact htm ...
Posted by hnissani on Fri, 01 May 2020 10:30:06 +0200
Case: multi task udp chat
Write a program with two threads
Thread 1 is used to receive data and display
Thread 2 is used to detect keyboard data and send data through udp
Achieve the above requirements
Summarize the characteristics of multitask program
def send_msg(udp_socket) ...
Posted by ViperSBT on Thu, 30 Apr 2020 22:54:03 +0200
Please indicate the source of Reprint: http://blog.csdn.net/l1028386804/article/details/78965865
Most of DNS resolution is a domain name corresponding to an IP address, but through DNS polling technology, a domain name corresponding to multiple IPS can be achieved, so as to achieve the simplest and most efficient load balancing. However, the b ...
Posted by charlesg on Thu, 30 Apr 2020 20:59:38 +0200
1, Implementation method
1. Pure template language implementation
2. Implementation of custom simpletag (in essence, it simplifies the judgment of pure template language)
The principle is to match the url filter conditions through django routing system, take the filter conditions as the database query results, and return the ...
Posted by JasperBosch on Thu, 30 Apr 2020 11:34:20 +0200
Observe the submit code of ThreadPoolExecutor:
# When the executor gets lost, the weakref callback will wake up
# the worker threads.
def weakref_cb(_, q=self._work_queue):
# TODO(bquinlan): Should avoid creating new threads if there are more
Posted by xlordt on Thu, 30 Apr 2020 07:10:07 +0200
I think I have lived in this world for more than 20 years. The most popular restaurant I have ever been to is KFC's birthday when I was a child. Now I grow up, KFC has become my daily snack. When I go hungry from the front door after work, I will go in and buy a cup of coffee in the morning. It's mainly fast, delicious and full, and it's ...
Posted by integravtec on Wed, 29 Apr 2020 14:40:14 +0200
According to an example of a project, this paper records and shares the process and relevant settings of python's displaying the content of database to the program interface, and explores the usage of python's operating database.
Main contents to be shared:
1. Displays the database contents.
2. Modify database content.
3. The table control spec ...
Posted by andrewgk on Wed, 29 Apr 2020 08:50:53 +0200
Test the pyecharts module
pyecharts Combat: novel coronavirus pneumonia map
Making visual maps
Set up visualization map
Posted by spoco on Wed, 29 Apr 2020 02:48:45 +0200