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Is a colon `:` safe for friendly-URL use?
...pretty fresh in my mind.
http://site/gwturl#user:45/comments
All the characters in the fragment part (user:45/comments) are perfectly legal for RFC 3986 URIs.
The relevant parts of the ABNF:
fragment = *( pchar / "/" / "?" )
pchar = unreserved / pct-encoded / sub-delims / ":" / ...
C++ SFINAE examples?
...here):
template<typename T>
class IsClassT {
private:
typedef char One;
typedef struct { char a[2]; } Two;
template<typename C> static One test(int C::*);
// Will be chosen if T is anything except a class.
template<typename C> static Two test(...);
public:
...
How to get the type of a variable in MATLAB?
...gt; a = 'Hi'
a =
Hi
>> class(b)
ans =
double
>> class(a)
ans =
char
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Finding all possible permutations of a given string in python
...nt to generate all permutations from that string, by changing the order of characters in it. For example, say:
24 Answers
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C++ : why bool is 8 bits long?
... address of an object. The object doesn't have to store its own address. A char is typically 8 bits wide, enough to store any of 256 characters, but each char also has an address defined by where in memory it is located. That is why you can create a pointer to a char.
– jalf
...
How do I check if a given string is a legal/valid file name under Windows?
...ression like [a-zA-Z0-9_]+ but it doesn't include many national-specific characters from various languages (e.g. umlauts and so on). What is the best way to do such a check?
...
Pass complex parameters to [Theory]
...ssing a custom type as the Theory input which seems to be missing from the selected answer.
– J.D. Cain
Aug 28 '19 at 11:32
1
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Generic type parameter naming convention for Java (with multiple chars)?
...rfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable.
5 Answ...
What do Clustered and Non clustered index actually mean?
...CLARE @C1 AS CURSOR,
@X AS INT
SET @C1 = CURSOR FAST_FORWARD
FOR SELECT number
FROM master..spt_values
WHERE type = 'P'
AND number BETWEEN 1 AND 100
ORDER BY CRYPT_GEN_RANDOM(4)
OPEN @C1;
FETCH NEXT FROM @C1 INTO @X;
WHILE @@FETCH_STATUS = 0
BEGIN
INSE...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
...
void perror_and_exit() {
perror(NULL);
exit(1);
}
int main(int argc, char *argv[]) {
int fd;
if ((fd = open("data", O_RDONLY)) == -1) {
perror_and_exit();
}
char buf[5];
for (int i = 0; i < 5; i++) {
bzero(buf, 5);
if (read(fd, buf, 5) != 5) {
perror_and_exit();
...