extern seems to solve this problem main.c -sharpinclude <stdio.h> -sharpinclude "ggg.h" int main(int argc, const char * argv[]) { ggg(); return 0; } ggg.h -sharpifndef ggg_h -sharpdefine ggg_h -sharpinclude <stdio.h&g...
the title is not clear. Let s be more specific: query the records of id==1 self::where( id , = , 1); if there is an id array now, how can I put this array into where as a query parameter of id? ...
for example, change a number into an average array , such as the number 8, and divide it into four times. When it cannot be evenly divided, the value of the first item of the array can be larger than that of the second term, and so on, for example, if it...
because I just learned vue, I don t quite understand what I read on the official website. there is such a requirement: button,, , planDetail(personid, plan, relation, productProperty) { let param = { personId: personid, ...
FormData.append () can add key-value pairs, such as formData.append ( "A1 ", "aa "); , but now I want to change the second parameter, that is, the value, to a json object, such as FormData.append ( bbb :1: { bbb :1}) , but when it is sent to the...
now I m going to write a registration page. What s the difference between submitting a form form and directly fetching the vlaue value of input? It turns out that login and registration pages have always been done by taking values directly; < H1 > or...