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...
Why do two list-to-np.array, datatypes of exactly the same type become object, and the other floatable! print(len(X_l)) -sharp 2013 print(len(X_s)) -sharp 1980 print(X_l[0].dtype) -sharp float64 print(X_s[0].dtype) -sharp float64 print(X_l[0].shape) ...
nodemailer "nodemailer ": "^4.6.8 ",501QQ501 let transporter = nodeMailer.createTransport ({ host:Email.smtp.host, port:465, secure:true, auth:{ user:Email.smtp.user, pass:Email.smtp.pass, } }) let ko = { c...
I have two react projects, using two similar sets of components. Most of the project A components and project B components are the same, but individual components are different. The components in them are written by themselves and often need to be chang...
problem description for example, on the home page of http: xxx index.html-sharp , click a link to go to the application page, but the browser s url has not changed; how to make the url also change to the corresponding route http: xxx index.html-s...
< H2 > scene: < H2 > this is the interface public interface TreeNode<T> { public List<T> levelOrder(); public List<TreeNode<T>> getChildNodes(); public T getVal(); public void setVal(T val); } ...