gpedit.msc
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In PostgreSQL, it is easy to add a GUID column and fill it:
ALTER TABLE public."thetable" ADD aggregateid uuid DEFAULT gen_random_uuid() NOT NULL;
ALTER TABLE public."thetable" ADD CONSTRAINT thetable_unique UNIQUE (aggregateid);
Copilot oftewel Artificial Intelligence werkt erg goed tegenwoordig. Ik stel de volgende vraag:
"How to determine the byte position of an element in a C struct"
Vroeger kon je het vergeten dat je antwoord kreeg via Google. Tegenwoordig krijg je het antwoord:
#include <stdio.h>
#include <stddef.h> // For offsetof macro
struct MyStruct {
int a;
float b;
char c;
};
int main() {
// Calculate and print the offset of each member
printf("Offset of 'a': %zu bytes\n", offsetof(struct MyStruct, a));
printf("Offset of 'b': %zu bytes\n", offsetof(struct MyStruct, b));
printf("Offset of 'c': %zu bytes\n", offsetof(struct MyStruct, c));
return 0;
}
En daarmee kon ik mijn oplossing gemakkelijk programmeren:
int theOffset = offsetof(SDL_KeyboardEvent, scancode);
AI werkt goed!
In C#, you can write an anonymous lambda which uses an instance variable of the class you are using:
Hello hello = new Hello();
hello.methodToCall((self) =>
{
Console.WriteLine("hallo " + self.numberToReach);
});
public class Hello
{
public int numberToReach = 3;
public void methodToCall(Action<Hello> operation)
{
operation(this);
}
}
In Kotlin, the Hello instance is bound to this, which is nice (see my trailing lambda's post). In C#, the "this" needs to be transferred using a parameter, in this case called "self".