大约有 23,000 项符合查询结果（耗时：0.0239秒） [XML]
Convert a String In C++ To Upper Case
How could one convert a string to upper case. The examples I have found from googling only have to deal with chars.
29 Answ...
How can I generate random alphanumeric strings?
How can I generate a random 8 character alphanumeric string in C#?
33 Answers
33
...
Using awk to print all columns from the nth to the last
...l end up with an initial delimiter ($1 is still included, just as an empty string). You can strip that with sed though: awk -F, -vOFS=, '{$1=""; print $0}' | sed 's/^,//'
– cherdt
Jul 7 '16 at 23:55
...
How to assign string to bytes array
I want to assign string to bytes array:
9 Answers
9
...
For every character in string
How would I do a for loop on every character in string in C++?
9 Answers
9
...
Fastest way to check if string contains only digits
...
bool IsDigitsOnly(string str)
{
foreach (char c in str)
{
if (c < '0' || c > '9')
return false;
}
return true;
}
Will probably be the fastest way to do it.
...
How to append a char to a std::string?
...
It's less typing. In gcc, basic_string::operator+= is just a call in push_back.
– eduffy
Sep 24 '09 at 14:37
2
...
C char array initialization
...ization and assignment are two different beasts, thus C lets you provide a string as an initializer for a char array, but forbids array assignments (as ouah said).
– Lorenzo Donati -- Codidact.com
Sep 9 '13 at 3:24
...
convert a char* to std::string
I need to use an std::string to store data retrieved by fgets() . To do this I need to convert the char* return value from fgets() into an std::string to store in an array. How can this be done?
...
How to concatenate two strings in C++?
...
First of all, don't use char* or char[N]. Use std::string, then everything else becomes so easy!
Examples,
std::string s = "Hello";
std::string greet = s + " World"; //concatenation easy!
Easy, isn't it?
Now if you need char const * for some reason, such as when you wan...