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Clang vs GCC for my Linux Development project
...4/include/g++-v4/ostream:112: note: candidates are: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>& (*)(std::basic_ostream<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_...
const char *, char const *, char * const 异同？const修饰符各位置有何区...
const char *, char const *, char * const 异同？const修饰符各位置有何区别？const char * p = new char('a'); 这个是常字符，即p的内容不能被修改。char const * p 意义同上，没有区别。 这时，*...const char * p = new char('a'); 这个是常字符，即p的内容...
C char array initialization
I'm not sure what will be in the char array after initialization in the following ways.
6 Answers
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std::string to char*
I want to convert a std::string into a char* or char[] data type.
18 Answers
18
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Why is there no Char.Empty like String.Empty?
... a reason for this? I am asking because if you needed to use lots of empty chars then you get into the same situation as you would when you use lots of empty strings.
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Is it correct to use JavaScript Array.sort() method for shuffling?
...length; i++) {
var x = A.slice(i, i+1);
var xs = A.slice(0, i).concat(A.slice(i+1));
var subperms = permutations(xs);
for (var j=0; j<subperms.length; j++) {
perms.push(x.concat(subperms[j]));
}
}
return perms;
}
};
var test = function(A, iteration...
How to convert/parse from String to char in java?
How do I parse a String value to a char type, in Java?
14 Answers
14
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How to represent empty char in Java Character class
I want to represent an empty character in Java as "" in String...
15 Answers
15
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How to convert a data frame column to numeric type?
...ertain "conversion anomaly":
# create dummy data.frame
d <- data.frame(char = letters[1:5],
fake_char = as.character(1:5),
fac = factor(1:5),
char_fac = factor(letters[1:5]),
num = 1:5, stringsAsFactors = FALSE)
Let us have a ...
how to convert from int to char*?
...
In C++17, use std::to_chars as:
std::array<char, 10> str;
std::to_chars(str.data(), str.data() + str.size(), 42);
In C++11, use std::to_string as:
std::string s = std::to_string(number);
char const *pchar = s.c_str(); //use char const* a...