Technical

test program:

wget --no-check-certificate https://github.com/teddysun/across/raw/master/unixbench.sh
chmod +x unixbench.sh
./unixbench.sh

result:

Mysql database imports or exports from a file to a file, prompting The MySQL server is running with the --secure-file-priv option so it cannot execute this statement. The reasons and solutions are as follows:

Some versions of mysql have restrictions on import and export through files, which are not allowed by default.

View the configuration and execute the mysql command

Correlation analysis is one of the important components in the data mining system, and its representative case is "shopping basket analysis". Let's take the shopping basket analysis data provided by the data mining software Clementine as an example to explore this aspect from multiple aspects.

Take N fields from the database, and then combine them together and use "," to separate the display. At first, I thought of using CONCAT() to process it, but it was troublesome. Unexpectedly, CONCAT_WS() was mentioned in the manual, which is very easy to use.

from urllib import parse 
str1 = 'hahahaha'   
str2 = parse.quote(str1)   #quote() encodes the string    
print(str2)               < x2>#str2=haha%E5%93%88%E5%93%88

Original link: https://blog.csdn.net/RAPIER512/article/details/79761593

Download visual c++ 2012 from Microsoft official website

HTTPS://wuwuwu.Microsoft.com/this-cn/download/details.aspx?ID=30679

Note: The software is 32-bit, so download the 32-bit components, not the 64-bit ones under the computer operating system.

Alibaba Cloud GPU server:

In order to avoid pitfalls, the automatic installation of the GPU driver is selected by default, and the version is 390.46 under 9.0.176;

Bing daily picture official interface:

https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=8

Among them, format can choose xml and js (json)

idx represents the data of several days forward, 0 is the current day, 1 is the previous day

n represents the number of pictures returned each time, the maximum is 8

Using idx and n in combination, the test returns data 15 days before the current date at the earliest. 

Return results:

When the url:url format in a css file refers to other images or font files, the url uses a relative path, and its path is relative to the css file;

The path of other files referenced in the JavaScript file is relative to the path of the html file that loads the JavaScript file.

Panorama of the heyday:

Dashui Fa Site:

Western-style building ruins: