at the user level, it is easy to send packets using functions such as socket sendto. in the kernel layer, if you use skb to send packets, it always feels like writing from the underlying wheel. within the BSD kernel, you should be able to send simple...
recently I was looking at the FreeBSD source code and found such a problem. for example, this function: int kern_openat(struct thread *td, int fd, char *path, enum uio_seg pathseg, int flags, int mode) char* path is the relative path when accept...
FreeBSD 11.1, installed wqy noto fonts are displayed as shown in the following figure, how to solve ...
The code is as follows: import java.util.Scanner; public class Factorial { public static void main(String[] args) { System.out.println("------"); Scanner input = new Scanner(System.in); int i ; int j; ...
suppose I fork an open source project, and then I modify some files during the development process, but when I mention pull request later, I don t want to submit some of them. Excuse me, is there any way? for example, I will change the ignore file duri...
var jsonArray = { data :{ "List": [{ "authorityId": 1, "authorityName": "", "grade": "1001", "fatherId": "0...
I need to remove quotation marks that are not empty, and keep quotation marks that are empty, such as: `{image:"bitnami wordpress:4.7.5-r2",wordpressFirstName:""}` after processing: `{image:bitnami wordpress:4.7.5-r2,wordpressFirs...
as shown in the figure: I use str.replace ( (null) , "jsonCallBack "); can only replace the first null, , but what should I do to replace the third? the following is the string "< input type= " radio "name= " p_date_type_sl_sl_sl "value= " i...