
please wait
by vtee2014
C++ Templated struct definition
|
I have been researching the details of the following struct definition and I have some questions that have been hard to clarify. This came from a source focuse... |
Aug 11, 2020 at 12:20pm
[4 replies] Last: where I assumed the 'C' in '<C>' was a placeholder.... I'm not sure ... (by MikeyBoy)
|
by bibo
Regex error: Parenthesis is not closed.
|
int main() { string integer = "(\+|-|\0)[0-9]([0-9]{*})"; //string d1 = "("+integer+"."+"([0-9]{*})"+")"; //string d2 = "("+integer+"e"+i... |
Aug 9, 2020 at 2:25pm
[5 replies] Last: #include <string> #include <iostream> #include <regex> #include <algo... (by dhayden)
|
by dev1243
cant get it to read the text files and display the txt help
|
#include <string> #include <iostream> #include <vector> #include <fstream> using namespace std; class Question { private: string... |
Aug 8, 2020 at 12:07pm
[2 replies] Last: cant get it to read the text files and display the txt help Without... (by dhayden)
|
by fewdiefie
race condition
|
Hi! how do I make the following program print numbers in the correct order like this: 0 1 2 ... 100 #include <iostream> #include <thread> int x = 0; void fo... |
Aug 8, 2020 at 11:38am
[6 replies] Last: #include <iostream> #include <thread> #include <mutex> int x = 0; st... (by dhayden)
|
by Ganado
Struct pointer conversion, possible undefined behavior?
|
I found a place where some weird casting was happening, and I wanted to confirm if someone knew it was legal. // Example program #include <iostream> struct S... |
Aug 6, 2020 at 8:44pm
[9 replies] Last: Cubbi: Okay, that's starting to make more sense. I didn't realize the ... (by Ganado)
|
by plexus
Weighted random distribution
|
Hi all, I'm trying to generate the numbers 0 .. 9 in a random fashion but with different probabilities for the individual digits. The distribution comes f... |
Aug 6, 2020 at 4:09pm
[16 replies] Last: A class based approach to encapsulating <random>/<chrono> is a valid... (by deleted account xyzzy)
|
by jpweldon
Debug C main program
|
I need assistance in debugging a not-very-large C main program. Reason(s) for the crash are not evident to one who is not a professional programmer. I am using ... |
Aug 5, 2020 at 5:27pm
[2 replies] Last: if its small, you can get solid free help here. Can't hurt to throw ... (by jonnin)
|
by stav
vector of incomplete type UB still?
|
Hi, i read this article https://www.drdobbs.com/the-standard-librarian-containers-of-inc/184403814 that explains why its undefined behavior to instantiate a STL... |
Aug 5, 2020 at 2:48am
[1 reply] : So i think i've found the answer here https://en.cppreference.com/w/cp... (by stav)
|
by AJS248
Need some help with int/ double input error checkings
|
I'd like to put a condition for a 'double variable.' For example: cin1: double var1; cin >> var1; (How can I code if var1 is not a number, then execute... |
Aug 4, 2020 at 11:58am
[5 replies] Last: #include <iostream> #include <sstream> #include <string> using namesp... (by lastchance)
|
by Scarletpimp
openssl base64 decode function is not working for specfic string
|
I have the below openssl code to decode json content, it works fine if the encoded data is "eyJ0ZXN0MSI6eyJ2YWwyIjotOTEuNiwidmFsMyI6NDAuMTIzNH19" but it does n... |
Aug 4, 2020 at 4:43am
[6 replies] Last: yes i will pad it with "=" before decoding, Thanks a lot for clarifyin... (by Scarletpimp)
|
by nockson
i need some help
|
During this period of lockdown, many people started to play different games at their homes since they could not go outside. One of the simplest games is Play_W... |
Aug 4, 2020 at 1:31am
[15 replies] Last: Not possible, but you can put the screenshot up on Pinterest or some o... (by againtry)
|
by Puyol
Black and white kings on the chessboard
|
Inputting the numbers of the white and black king cells on the chessboard in turn, followed by the natural number N and the sequence N consisting of the numbers... |
Aug 2, 2020 at 10:56pm
[2 replies] Last: It’s a trick question because the rules of chess are such that the k... (by againtry)
|