please wait
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by BJKY0712
Is there a way or function to check if a float is assigned a value to?
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| I want to find the max and min value from numbers of a csv file. I don't know the range of the values, so I can't really just assume an initial min or max value... |
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Feb 13, 2022 at 11:28am
[1 reply] : Assume that the numbers are of type float, then you can use these for ... (by seeplus)
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by ashajohn2021
How do I populate my vector that is located in my struct? See the 2nd to the last for loop
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| #include <iostream> #include <vector> #include <string> using namespace std; struct Ingredient { float quantity; string ingredient; stri... |
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Feb 12, 2022 at 4:48pm
[12 replies] Last: The actual assignment was to: 1. Create a recipe struct 2. Create a v... (by seeplus)
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by ttpjd1
Issue with C++ dispatch to base
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| Please forgive me if I fundamentally misunderstand something about dispatch in C++! The code as pasted below works as intended. However, if I uncomment/ad... |
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Feb 12, 2022 at 4:41pm
[1 reply] : This compiles: #include <iostream> class Something {}; class Somet... (by seeplus)
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by frek
Lambda
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| 1) Why is not the lambda inside the function called, please? #include <iostream> void test() { int n=0; [&]() { std::cout << "Inside the lambda!\n"; ++n; };... |
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Feb 12, 2022 at 3:25pm
[9 replies] Last: @ frek, a book on lambdas I found useful is Bartłomiej Filipek's "C++... (by deleted account xyzzy)
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by Anomaly007
I need to generate a unique random number everytime a user press y
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| #include <iostream> #include <time.h> #include<windows.h> using namespace std; int main () { srand(time(NULL)); int arr ={1,2,3,4,5,6,7,8,9,10... |
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Feb 12, 2022 at 2:49pm
[5 replies] Last: No, there is no need to remove any of the elements, from the front or ... (by deleted account xyzzy)
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| What would be the best strategy for grouping these objects together? (vector, array, etc) |
| My question is what would be the best way to organize objects(both the initial 12 and the offspring to come later)? I feel that a vector would be the best way o... |
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Feb 11, 2022 at 11:58pm
[1 reply] : its up to you. KISS suggests you just have your class be critter-type... (by jonnin)
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by Cplusc
byte is ambiguous
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| Hello, I am including one dynamics library in my visual studio 2017 project and I am getting this error "byte is ambiguous". I tried std::byte, #undef _HAS_STD_... |
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Feb 10, 2022 at 3:35pm
[12 replies] Last: It might not hurt to consider upgrading from VS 2017 to VS 2019 or V... (by deleted account xyzzy)
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by Cambalinho
how use Multithread?
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| i did these function: void GetPixelImage(HDC HDCOrigin, int PosX, int PosY, COLORREF &color) { color=::GetPixel(HDCOrigin, PosX, PosY); } heres how i... |
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Feb 10, 2022 at 5:52am
[2 replies] Last: This is also the case with (the bind expression created by) std::bind... (by JLBorges)
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by DeezyM89
Is there an issue with my code?
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| I created this code. It runs as expected, but something seems off. #include <iostream> #include <cmath> #include <cstdlib> #include <ctime> using namespace st... |
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Feb 10, 2022 at 5:45am
[2 replies] Last: #include <iostream> #include <cmath> #include <cstdlib> #include <cti... (by againtry)
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by R3shY
DXGI Adapter RAM to String?
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| Hey im trying to get dedicated VRAM as a string with DXGI from example: https://github.com/walbourn/directx-sdk-samples/tree/main/VideoMemory I break it do... |
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Feb 9, 2022 at 4:41pm
[1 reply] : Since we've no idea what you tried, how you printed it, what you saw, ... (by salem c)
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by dorito200
Returning the result of an expression stored in a c-string
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| Hey yall, So my assignment has once again brought me here because I am not able to figure this one out. The goal of the task is to return a short of the resu... |
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Feb 9, 2022 at 2:45pm
[4 replies] Last: short myType::Calculate(myType& Math) { Math[ Math.size()+1 ] = '... (by keskiverto)
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by Cplusc
Failed to launch mpi.exe
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| I am running a code with 64 processors using mpiexec -np 64 mpi.exe, but I'm getting the error "failed to launch mpi.exe, cannot find the file specified". Any h... |
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Feb 9, 2022 at 4:32am
[2 replies] Last: Thanks for your answer. (by Cplusc)
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by DeezyM89
Why is My output rounding down
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| I have a program that outputs a list of numbers. The program is working, but the output is supposed to be 7.10 and 9.3. Instead I get 7.00 and 9.00. This is my... |
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Feb 8, 2022 at 11:17pm
[6 replies] Last: If the standard library is being used, nth_element is ideal for this... (by mbozzi)
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by darkdave
Preprocessor OpenGL c++ issue (1,2)
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| EDIT: I HAVE UPLOADED A VIDEO SHOWING THE PROBLEM https://youtu.be/uWlSUxxMy08 AND https://youtu.be/iUW3Z2u3IDs UPDATED ENTIRE RELATED FILES: https://drive.g... |
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Feb 7, 2022 at 6:29pm
[27 replies] Last: 2010 doesn't support the latest C/C++ standards. *PTUI!* Actually it... (by thmm)
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by JUANDENT
Is the curiosly recurring template pattern recursive?
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| Hi, In this definition: template<typename T> struct ordered { bool operator>(T const& rhs) const { // locate full derived object T const& s... |
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Feb 7, 2022 at 5:29pm
[5 replies] Last: no, it does compiles because of your weird bogus -> ordered<Int> inh... (by ne555)
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by DeezyM89
how do you find the median in c++
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| from smallest to largest this is what I have if(grades < grades && grades < grades && grades < grades && grades < grades ) { cout<<grad... |
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Feb 7, 2022 at 3:58pm
[1 reply] : Yes, there's a general-purpose sort: https://www.cplusplus.com/referen... (by lastchance)
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by Stauricus
get index of smallest number of array
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| hello I'm trying to get the index of the smallest element of an array, IF this element index satisfies a condition in another array. explaining: i have an int... |
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Feb 7, 2022 at 11:23am
[3 replies] Last: hey guys. I'm using it to choose positions for buildings in a grid. th... (by Stauricus)
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by beethekid
No matching constructor for initialization error
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| //header file with constructor initialization within the StudentClub class class StudentClub { public: StudentClub(Student* p, Student* v, Stud... |
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Feb 7, 2022 at 10:52am
[3 replies] Last: I this homework where you need to do things in a certain way ? If not ... (by thmm)
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by frek
Simple bit set example
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| In this piece of code: #include <iostream> template<typename T> void print(T t) { std::cout << t << ' '; } int main() { int si = 128; // doesn’t fit int... |
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Feb 7, 2022 at 9:52am
[3 replies] Last: ... (by seeplus)
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by frek
Text editor for socket programming
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| I'm about starting learning C++ socket programming. For that a compiler like GCC and an OS like Ubuntu are appropriate to get started I guess. But I also need a... |
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Feb 7, 2022 at 7:47am
[4 replies] Last: Twice have I had application that needs to transfer data. First time w... (by keskiverto)
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