as the title solved from the background, mostly ** * * @Configuration public class WebConfiguration extends WebMvcConfigurationSupport{ @Override public void addCorsMappings(CorsRegistry registry) { registry.addMapping(" **...
topic description the first problem is to write a program to achieve 1 squared, 2 squared, 3 squared, and so on, up to the sum of squares of 10. Requirements: the square function is realized by the subroutine SQRT, and the program structure applies th...
definition of shell: -sharp! bin bash res=`2222222222 | md5sum | cut -d -f1` echo "res: " ${res} write in a file and run the result as follows: . sh-test.sh: line 3: 2222222222: command not found res: d41d8cd98f00b204e9800998ecf842...
in the win7 system, install the sql2012 database and pop up to wait for the database engine to recover. Look for the reason on the Internet. You can see the solution with an answer on Zhihu: change the account to start Database engine to NT AuthorityNe...
1. After looking up a lot of data, I thought I already knew the sequential algorithm of multi-inheritance, but I still had a lot of contradictions in my test, probably only on the surface. The code is a multi-inheritance test written by myself. I al...