1304 questions
I learned both in Linux class, but open is only on the test and I've never actually used it.You can open both files, but even if you look at other codes, they only use fopen files. Why is that?
void *p = &&abc;I saw a code like this, but I don't know what it's doing. I've seen a lot of double pointers, but doesn't & mean the address?And you need two operands, so this isn't it.Wha...
All I know is decimal, octal, hexadecimal outputIs there a binary formatter?I'm using gcc. I hope I can use it like the code belowprintf(%d %x %o\n, 10, 10, 10); //10 A 12\nprint(%b\n, 10); //%b\n
void main() { if(a == a) printf(Yes, equal); else printf(No, not equal);}Output: No, not equal I thought it would be true because the two of them are the same string, but why did the false appear?
int array[100] = {0};I heard that the entire silver element is set to zero, so I thought I just need to set oneint array[100] = {-1};So the first element is minus 1, and the rest is zero.I don't want ...
We are producing a screen casting program for Windows to film game videos.Speed is important. I'm looking for a way other than GDI, but I can't find the relevant information well.Which way should I lo...
What does void mean in C-affiliated languages?Void is used a lot like this, but I wonder what void means.
I know that you can use both the format specifiers %i and %d when printing integers. What's the difference between you two? Did you make it separately?
I wrote it in c language in the code executor and executed it, but strangely enough, the print is all working, but I can't input it and calculate it by myself;
It's a very basic question, so I'm a little shyI'm going to do the same thing on Linux and Android, so I'm going to tie them up. I thought I could do | of course, but I couldn't...How should I write o...
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