please wait
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by SSDEEZ
Array of Linked Lists
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| I've made a class defining a list. I know STL has a list function but I went ahead and coded the whole thing. I want to make an array of linked lists and be ... |
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Feb 21, 2022 at 1:51pm
[7 replies] Last: The code looks to be "over-engineered" -- as well as missing several c... (by deleted account xyzzy)
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by frek
packaged_task and future
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| In the code example below, everything "looks" fine, but why do I get a runtime Debug error: abort() has been called , please? #include <iostream> #include ... |
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Feb 20, 2022 at 4:25am
[2 replies] Last: Thank you. :) I don't know why I'd forgot to call join there! Both jo... (by frek)
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by Cplusc
build a solution after cloning from github
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| I cloned the palabos repository using "git clone https://github.com/gladk/palabos.git" into the working directory. Then I tried to build the solution to make in... |
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Feb 20, 2022 at 3:53am
[2 replies] Last: Thanks for your answer. After many try and errores I used Ubuntu and g... (by Cplusc)
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| C++ class inheritance, Visual Studio and modules |
| It looks like I found a bug in Visual Studio how it processes module code. Here's some non-module code that compiles and runs fine, a couple of class header fi... |
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Feb 19, 2022 at 5:42pm
[5 replies] Last: Add the default ctor and comment out the using statement in the modul... (by seeplus)
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by quoiagrace
Rock, Paper, Scissors using enums and functions help!!
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| the requirements for this assignment are to use enums and functions and an option to play again. im pretty confuse on exactly what I am doing wrong. also extrem... |
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Feb 18, 2022 at 2:01pm
[3 replies] Last: Perhaps something like: #include <iostream> #include <random> #incl... (by seeplus)
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by narada
trouble with boundary values for number guessing program
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| The assignment is to write a program that will correctly guess a generated number between 1 and 100. My program can correctly guess any number between 1 and 99.... |
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Feb 18, 2022 at 12:08pm
[2 replies] Last: Small point but if number_generator() was called multiple times (say i... (by seeplus)
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| How to allow the user to "roll the dice" x times and save those values into a 2D array |
| Hey guys, I am currently working on tweaking a project for my class where we have to allow the user to roll dice (or generate random numbers 1-6) for a total o... |
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Feb 17, 2022 at 11:44pm
[7 replies] Last: I needed to save the output so that I could plug it into a separate fu... (by NopeNoRoboHere)
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by frek
Meta Functions
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| As far as I know, metaprogramming is used in C++ for better performance. I tired to test and figure it out using the example code below: #include <iostream> #... |
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Feb 17, 2022 at 8:45am
[16 replies] Last: A metaprogram is just a program whose input or output is another compu... (by mbozzi)
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by frek
Condition(al) variable
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| What happens in this piece of code? #include <iostream> #include <string> #include <thread> #include <mutex> #include <condition_variable> std::mutex m; std... |
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Feb 17, 2022 at 5:14am
[11 replies] Last: If by any coincidence, the operating system decides to give the worke... (by helios)
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by gedinfo
JSonCpp - create a JSON file in C++
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| I have been tasked with creating functionality in C++(running on Linux) to create a JSON file. I have been able to create labels and data:pair for single eleme... |
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Feb 17, 2022 at 3:31am
[3 replies] Last: nlohmann's json library can be used as a single #include (json.hpp). h... (by Ganado)
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| C++20, std::format, address of variables and Visual Studio (1,2) |
| Following on from here: http://www.cplusplus.com/forum/lounge/282147/ to https://stackoverflow.com/questions/70712797/is-it-safe-to-bind-an-unsigned-int-to-a-si... |
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Feb 16, 2022 at 4:26pm
[25 replies] Last: Yes, I know. That is the sole reference I can find, online. (And I t... (by deleted account xyzzy)
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by DeezyM89
Why is my code reading the last Line Twice
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| This program that i created is working, but it is reading the last line twice. Idk what I did wrong. #include <iostream> #include <fstream> #include <stri... |
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Feb 16, 2022 at 10:16am
[4 replies] Last: If you're been told to use .good() within a loop (bad idea), then you ... (by seeplus)
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| cassert and templates |
| In Visual Studio, code that compiles outside an assert, does not compile inside an assert. static_cast<_TupleVal<1, int>>(tup2).get() == 2 I am not sure w... |
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Feb 15, 2022 at 9:38pm
[2 replies] Last: assert is a function-like macro. Macros are expanded during the prepro... (by Peter87)
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by SSDEEZ
fully iterating before termination
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| I want this code to keep iterating and check the whole string before terminating the while loop i have setup over this. the problem is that it terminates a... |
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Feb 15, 2022 at 6:23pm
[11 replies] Last: Take a look at the any_suit_contains_full_run and amend it for your pu... (by Ganado)
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by Cplusc
Mpi 32 and 64 platform.
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| I have a vector or vector of type double and a vector of vector of size_t. I'm sending these vectors to different processors. My code is working as I expect in ... |
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Feb 15, 2022 at 3:10pm
[9 replies] Last: If you are using Visual Studio then you are presumably using the cl.ex... (by lastchance)
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by zephina21
Activity using switch case
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| write a program that can compute the grades of the students from pre-mid, midterm, pre-final, final and get the average then identify the average is: below 74.... |
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Feb 15, 2022 at 12:01pm
[11 replies] Last: #include <iostream> #include <initializer_list> int main() { doubl... (by seeplus)
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by Adam87
Casting a structure to another
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| Hi, I have a structure that is allocated by malloc My first structure struct TEST_STRUCT { int ID; int x; int i; int y; int z; }; second structure s... |
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Feb 15, 2022 at 5:28am
[8 replies] Last: My understanding is that you want to reinterpret a chunk of memory th... (by Adam87)
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by BJKY0712
Is it possible to not define the size of a 2d array at the beginning?
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| I want to import coordinates from a csv file and i want to store those data in a 2d array or maybe vector. I dont know which one is more suited for my task. The... |
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Feb 14, 2022 at 10:20am
[11 replies] Last: #include <iostream> #include <fstream> #include <string> #include <al... (by lastchance)
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by frek
Bits manipulation
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| The size of this class is supposed to be 4 bytes: #include <iostream> struct PPN { // R6000 Physical Page Number unsigned int PFN : 22; // Page Frame Num... |
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Feb 13, 2022 at 5:23pm
[17 replies] Last: @Ganado Cool. Thanks for that :+) ThingsLearnt++; (by TheIdeasMan)
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| C++20 - import vs. #include |
| I made a somewhat off-hand comment here, http://www.cplusplus.com/forum/general/282156/ , about importing C headers as modules, something the references I am s... |
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Feb 13, 2022 at 4:27pm
[11 replies] Last: I must modify somewhat my earlier expressed opinion about the "Beginni... (by deleted account xyzzy)
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