please wait
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by vittorioc98
Initialize 2D char array by passing addresses
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| Hello guys, can i am trying to initialize a 2D char array with this code below static char c1, c2, c3, c4; c1 = 'a'; c2 = 'b'; c3 = 'c'; c... |
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Oct 29, 2022 at 12:32am
[3 replies] Last: #include <iostream> int main() { static char c1, c2, c3, c4; ... (by againtry)
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by rozick1
create iterator to map value?
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| Hi I am designing a class which will have a private member which is of type map<ID, Something>. I would like the user of the class to be able to iterate over... |
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Oct 26, 2022 at 11:58am
[8 replies] Last: Right, very nice! I treated it as if I knew nothing (apart from the m... (by jonnin)
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by ccorkran
Object oriented programming menu troubles
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| Hello all, i am in a programming 2 class and thought i was understanding quite well, but i am getting stuck with this project my professor assigned. I believe i... |
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Oct 25, 2022 at 8:54am
[4 replies] Last: L74/75 - subchoice isn't zero based - it's one based. You need to subt... (by seeplus)
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| confusion on -> operator |
| I am implementing a linked list and I get an error in line 28 "cannot convert ‘node<int>’ to ‘node<int>*’ in assignment". I am confused - next is of typ... |
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Oct 24, 2022 at 3:44pm
[10 replies] Last: seems to work C++ is one of those languages that just because some ... (by seeplus)
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by newbieg
Class Factory
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| A while back I made a class factory by doing the following: class A { }; A * classASpawner() { return new A; } class B : public A { }; A* classBSpawn... |
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Oct 24, 2022 at 6:43am
[7 replies] Last: Sorry, took a break from the internet for a bit. The key use that I ... (by newbieg)
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by kailarob
Get() taking in newline
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| Hello. I am creating a program to read in a maze and solve it but when I read in the maze file into a dynamically allocated array using get I notice it reads th... |
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Oct 23, 2022 at 4:38pm
[4 replies] Last: Or even: #include <iostream> #include <fstream> #include <string> #... (by seeplus)
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by learner999
Exractin 3D matrix from 4D
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| Hello everyone, I will be very happy if you can help me. I have 4D matrix , which is called EC and like EX . I want to extract 3D matrix of each p like New... |
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Oct 21, 2022 at 9:52am
[2 replies] Last: @mbozzi ,yes, exactly. That's what I want. You helped me :) Thank you ... (by learner999)
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by cplus2303
General Tree
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| How can I transform my number output into letters by implementing general tree A /\ B C D E F G / \ \ \ /\ ... |
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Oct 21, 2022 at 2:06am
[1 reply] : A /\ B C D E F G / \ \ \ /\ ... (by cplus2303)
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by vanitution
"for" loop not running program multiple times
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| Write your question here. I need some help on my cpp code and "for" loops, when I try to run it will only run through the program 1 time no matter what I input... |
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Oct 20, 2022 at 1:54pm
[9 replies] Last: I agree. All what you said is true. However I wanted to be clear in or... (by Geckoo)
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by BigNibs
Need help writing a password checker.
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| so I have 2 files that have passwords, one is the passwords that Im checking and one is the passwords im checking against, ive done everything up until the poin... |
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Oct 18, 2022 at 9:29am
[3 replies] Last: I appreciate the information and advice you have shared. I will try to... (by Ethan69)
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by impetus
get current quantity of rows of dynamic 2d array
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| have 2d array int array_of_ints ; this array will be dynamically filled with data need get current quantity of rows of dynamic 2d array not size of arra... |
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Oct 18, 2022 at 5:45am
[8 replies] Last: How can I get the quantity of rows with request? A less efficient app... (by coder777)
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by bydrachen
About Raw Pointers and Linked Lists
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| Hi again. I'm studying the linked lists in C and C++. Here, I tried to copy C code into C++ code. Because I'm experimenting with different structures. My ... |
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Oct 17, 2022 at 8:00pm
[4 replies] Last: Peter87, jonnin, seeplus; thanks for your big help. I can't still unde... (by bydrachen)
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by tiqowixo
Random String Selection From Library
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| I would like to use "cout" to display a randomly selected string from a library. For my specific project I would like to randomly generate a first name for a ga... |
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Oct 16, 2022 at 4:59am
[17 replies] Last: My adaptation of that working paper's simple toolkit proposal. Header... (by deleted account xyzzy)
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by learner999
how to delete the context of 2D matrix
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| Hello everyone, I have two functions. One, Function 1, produces tuple contains one double and one 1D vector. In the second, Function 2, I run the Function 1 f... |
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Oct 14, 2022 at 11:02am
[4 replies] Last: You're welcome. Glad I could help! (by MikeyBoy)
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by jaffe15
Lookup with using namespace
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| Hi, I was wondering why this prints "unqual" and not "qual" since I have "using namespace a" before calling fun. I though that would be equivalant to having a:... |
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Oct 13, 2022 at 10:58am
[2 replies] Last: Or perhaps the "nearest enclosing namespace" is really the global name... (by Peter87)
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| implementing the backpropagation algorithm |
| I have written a basic linear algebra library and a MLP (I started to learn C++ a week ago). Now, when I run the code I get an assertion error - in the backprop... |
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Oct 12, 2022 at 10:52am
[2 replies] Last: when I run the code I get an assertion error - in the backprop() met... (by seeplus)
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by BigNibs
Worked more on my password checker but still need some help
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| So I did some more work on this, and my logic is that each of my passwords I will check against the list of 100 passwords but im having some trouble with the fu... |
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Oct 11, 2022 at 10:44am
[11 replies] Last: Based purely on the given code, then: #include <iostream> #include ... (by seeplus)
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by BigNibs
Need help writing a password checker.
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| so I have 2 files that have passwords, one is the passwords that Im checking and one is the passwords im checking against, ive done everything up until the poin... |
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Oct 11, 2022 at 9:19am
[12 replies] Last: [continued here https://cplusplus.com/forum/beginner/284960/ ] (by seeplus)
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by rozick1
Renaming a template class to make it more specific
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| Hello I would like to rename a std::array<uint8_t, size_t> as Buffer<size_t> (i.e. the renamed type's element type is always uint8_t) I was thinking of so... |
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Oct 10, 2022 at 10:45pm
[2 replies] Last: template <size_t N> using buffer = std::array<uint8_t, N>; ... (by mbozzi)
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by hassan236
random number
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| why i get the same output when i compile and run the program? #include <iostream> #include <stdlib.h> #include <time.h> using namespace std; ... |
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Oct 10, 2022 at 8:32pm
[6 replies] Last: Even if the 'divide an int by a double' didn't result in a rather nast... (by deleted account xyzzy)
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