question background is now writing a firewall project based on Linux netfilter . There are some questions about the interaction between kernel and user mode programs . Program environment centos7(3.10) gcc 4.8.5 20150623 (Red Hat 4.8.5-16) (G...
[?&]key(=([^&-sharp]*)|&|-sharp|$) this paragraph matches the regularity of the url query parameters, and what does the following | & |-sharp | $ mean? I can get rid of it and match successfully Source function getParameterByName(nam...
it can be said that the simple secondary development of kodexplorer wants to modify the text of a pop-up box, as shown in figure . I want to change "local upload " to "upload ". By reviewing the elements in the browser, I try to modify the main.js...
Mysql create stored procedure: create procedure s_add(in a int, in b int, out sum int) begin set sum = a + b; end After , this is the Java code package ch04.servlet; import java.io.IOException; import java.io.PrintWriter; import java.sql.Ca...
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1. Progress statement the vue project created through vue-cli has now completed the html page with no data interaction 2. Problem description in terms of data interaction, I understand that the http request is made with vue-resources as before, and t...