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What is the difference between const int*, const int * const, and int const *?
...ften this is seen with C-style strings where you have a pointer to a const char. You may change which string you point to but you can't change the content of these strings. This is important when the string itself is in the data segment of a program and shouldn't be changed.
bar is a constant or fi...
Does making a struct volatile make all its members volatile?
...by the pointer as const or volatile, use a declaration of the form:
const char *cpch;
volatile char *vpch;
To declare the value of the pointer — that is, the actual address stored in the pointer — as const or volatile, use a declaration of the form:
char * const pchc;
char * volatile pchv;
...
Undefined, unspecified and implementation-defined behavior
...t's look at a classic example:
#include <iostream>
int main()
{
char* p = "hello!\n"; // yes I know, deprecated conversion
p[0] = 'y';
p[5] = 'w';
std::cout << p;
}
The variable p points to the string literal "hello!\n", and the two assignments below try to modify tha...
Python: Get the first character of the first string in a list?
How would I get the first character from the first string in a list in Python?
4 Answers
...
Start thread with member function
...t;< "i am member1" << std::endl;
}
void member2(const char *arg1, unsigned arg2) {
std::cout << "i am member2 and my first arg is (" << arg1 << ") and second arg is (" << arg2 << ")" << std::endl;
}
std::thread member1Thr...
Read file line by line using ifstream in C++
...d "token" you meant "delimiter". Right. With a comma, you'd say: int a, b; char c; while ((infile >> a >> c >> b) && (c == ','))
– Kerrek SB
Oct 18 '14 at 15:25
...
Highlight text similar to grep, but don't filter out text [duplicate]
... all lines, which simply isn't possible with all greps. In particular, the selected answer and your answer don't work on OSX Mountain Lion.
– willkil
Jan 29 '13 at 17:38
...
How to store arrays in MySQL?
... retrieve a person and all of their fruit you can do something like this:
SELECT p.*, f.*
FROM person p
INNER JOIN person_fruit pf
ON pf.person_id = p.id
INNER JOIN fruits f
ON f.fruit_name = pf.fruit_name
share
|...
Number of occurrences of a character in a string [duplicate]
I am trying to get the number of occurrences of a certain character such as & in the following string.
6 Answers
...
How do I iterate over the words of a string?
...or>
template <typename Out>
void split(const std::string &s, char delim, Out result) {
std::istringstream iss(s);
std::string item;
while (std::getline(iss, item, delim)) {
*result++ = item;
}
}
std::vector<std::string> split(const std::string &s, cha...