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to_string is not a member of std, says g++ (mingw)
...y be an issue with your compiler version.
Try using the following code to convert a long to std::string:
#include <sstream>
#include <string>
#include <iostream>
int main() {
std::ostringstream ss;
long num = 123456;
ss << num;
std::cout << ss.str() &...
“Comparison method violates its general contract!”
...> it, IPairIteratorCallback<T> callback) {
List<T> list = Convert.toMinimumArrayList(new Iterable<T>() {
@Override
public Iterator<T> iterator() {
return it;
}
});
for (int outerIndex = 0; outerIndex < list.size() - 1; outerIndex++) {
for ...
How do you get the “object reference” of an object in java when toString() and hashCode() have been
... distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Java™ programming language.)
So if you are using hashCode() to find out if it is a unique object in m...
How do I remove/delete a folder that is not empty?
.../lib/python2.6/shutil.py", line 225, in rmtree onerror(os.rmdir, path, sys.exc_info()) File "/usr/lib/python2.6/shutil.py", line 223, in rmtree os.rmdir(path) OSError: [Errno 90] Directory not empty: '/path/to/rmtree'
– Clayton Hughes
Sep 14 '11 at 18...
Saving timestamp in mysql table using php
...y, a timestamp is only a representation of a date, and vice versa. You can convert from timestamp to date with the function jimy told you, and the other way with strtotime. edit: btw, timestamp only covers a range of all possible dates (1970-01-01 to xx-xx-2032 I think)
– Carlo...
How to urlencode a querystring in Python?
...
python3 -c "import urllib.parse, sys; print(urllib.parse.quote_plus(sys.argv[1])) "string to encode" for a one liner on the command line
– Amos Joshua
May 8 '19 at 12:19
...
How to detect if a stored procedure already exists
...together there's a problem with the company. Besides, properly implemented systems don't rely on user privilege to touch a database, that's what service accounts are for, and service level security should be applicable database-wide, this way DBAs don't have to spend time and money tweaking security...
const vs constexpr on variables
... go (tested each of them before posting). However my compiler does let me convert PI1 to a compile-time integral constant for use in an array, but not for use as a non-type integral template parameter. So the compile-time convertibility of PI1 to an integral type seems a little hit & miss to m...
Converting 'ArrayList to 'String[]' in Java
How might I convert an ArrayList<String> object to a String[] array in Java?
16 Answers
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How do I apply the for-each loop to every character in a String?
...
You need to convert the String object into an array of char using the toCharArray() method of the String class:
String str = "xyz";
char arr[] = str.toCharArray(); // convert the String object to array of char
// iterate over the array...