https://wiki.plecko.hr/ 2026-05-06T14:04:47+00:00 https://wiki.plecko.hr/ https://wiki.plecko.hr/lib/tpl/bootstrap3/images/favicon.ico text/html 2019-10-31T09:04:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.plecko.hr/doku.php?id=development:cpp:char2string&rev=1572509040&do=diff C++ Converting unsigned char array to std::string #include <stdio.h> #include <iostream> #include <fstream> int main() { std::string badge = "/badges/"; unsigned char badgechars[12]; badgechars[0]=64; //demo badgechars[1]=72; std::string badge(reinterpret_cast<const char*>(badgechars),2); //or badge += std::string(badgechars, badgechars + 2); //or badge.append(1, badgechars[0]); badge.append(1, ba… text/html 2019-10-31T09:04:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.plecko.hr/doku.php?id=development:cpp:differences&rev=1572509040&do=diff Difference between “::” “.” and “->” in c++ * - > for accessing object member variables and methods via pointer to object Foo *foo = new Foo(); foo->member_var = 10; foo->member_func(); * . for accessing object member variables and methods via object instance text/html 2019-10-31T09:04:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.plecko.hr/doku.php?id=development:cpp:folderfile_exist&rev=1572509040&do=diff C++ Check if folder or file exists (linux) Since everything is a file in linux, the procedure is the same both for folders and files #include <stdio.h> #include <iostream> #include <fstream> int main() { if (std::ifstream("/folder")) { //folder std::string badge = "/folder/file"; if (std::ifstream(badge)) { std::cout << "File exists" << std::endl; } else { std::cout << "File doesn't exist"… text/html 2019-10-31T09:04:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.plecko.hr/doku.php?id=development:cpp:int_to_string&rev=1572509040&do=diff C++ Convert int to string std::string year = std::to_string(now->tm_year + 1900); text/html 2019-10-31T09:04:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.plecko.hr/doku.php?id=development:cpp:start&rev=1572509040&do=diff C/C++ * C++ Check if folder or file exists (linux) * C++ Convert int to string * C++ Converting unsigned char array to std::string * C++ send UDP packet * Difference between “::” “.” and “->” in c++ text/html 2019-10-31T09:04:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.plecko.hr/doku.php?id=development:cpp:upd&rev=1572509040&do=diff C++ send UDP packet #include <arpa/inet.h> #include <string> #include <cstring> void udpentry(std::string message) { struct sockaddr_in myaddr; int sock; memset(&myaddr, 0, sizeof(myaddr)); myaddr.sin_family=AF_INET; myaddr.sin_port=htons(10001); if((sock=socket(AF_INET, SOCK_DGRAM, 0))<0) { perror("Failed to create socket"); exit(EXIT_FAILURE); } if(bind(sock,( struct sockaddr *) &myaddr, sizeof(myaddr))<0) { perror("bind failed"); exit(EXIT_FAILURE); } inet_pton(AF_INET,…