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How can I read a function's signature including default argument values?
Given a function object, how can I get its signature? For example, for:
8 Answers
8
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How to set up tmux so that it starts up with specified windows opened?
How to set up tmux so that it starts up with specified windows opened?
20 Answers
20
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convert pfx format to p12
I need to export a .pfx format certificate (from windows mmc) to .p12 to use in another application. I cant find a way to do this. Can anyone suggest a method?
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What exactly is nullptr?
...atures. An interesting and confusing one (at least for me) is the new nullptr .
14 Answers
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What is the strict aliasing rule?
When asking about common undefined behavior in C , people sometimes refer to the strict aliasing rule.
What are they talking about?
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What are the differences between a pointer variable and a reference variable in C++?
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A pointer can be re-assigned:
int x = 5;
int y = 6;
int *p;
p = &x;
p = &y;
*p = 10;
assert(x == 5);
assert(y == 10);
A reference cannot, and must be assigned at initialization:
int x = 5;
int y = 6;
int &r = x...
How to validate an e-mail address in swift?
...
I would use NSPredicate:
func isValidEmail(_ email: String) -> Bool {
let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
return em...
Jquery mouseenter() vs mouseover()
...nderstand the difference between the mouseenter() and mouseover() . The post states
7 Answers
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...ence between these initializations?
char a[] = "string literal";
char *p = "string literal";
My program crashes if I try to assign a new value to p[i].
A: A string literal (the formal term
for a double-quoted string in C
source) can be used in two slightly
different ways:
A...
Join/Where with LINQ and Lambda
...e LINQ query syntax is much clearer, more natural, and makes it easier to spot errors:
var id = 1;
var query =
from post in database.Posts
join meta in database.Post_Metas on post.ID equals meta.Post_ID
where post.ID == id
select new { Post = post, Meta = meta };
If you're really stuc...