please wait
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by bfears
How to pass an array to user function.
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| I need create an array and pass it to several different user defined functions and then pass that information back to the main to be displayed. I have found you... |
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Feb 25, 2022 at 11:53am
[7 replies] Last: the function has no way to "know" the size – unless the size is fix... (by seeplus)
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by AAAbb7
Substr()
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| I'm not sure how the substring input works. I have this code snipet: if (validNum(input.substr(i, 2))) { ++validCount; ... |
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Feb 25, 2022 at 9:56am
[1 reply] : See http://www.cplusplus.com/reference/string/string/substr/ The i is... (by seeplus)
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by shaefayejem
Catching Exception for deleting null pointers
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| I am studying exception handling in c++ and I run across this problem. So I have a pointer that is uninitialized and tried deleting it. When I ran the code ... |
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Feb 25, 2022 at 4:52am
[4 replies] Last: Thank you very much! Kudos for sharing your expertise. (by shaefayejem)
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by ColeMilla
arrays/loops question
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| I'm trying to write code with arrays and loops for a program that allows a user to enter 20 numbers, then displays each number and its difference from the numer... |
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Feb 24, 2022 at 9:54pm
[2 replies] Last: Thank you so much, i often times find myself using too many semi colon... (by ColeMilla)
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by astronaut971
How to control two processes with posix and semahrores in C++?
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| Hi Im new to Concurrency and parallelism programming in C/C++ so I need some help with my project. I want to run multiple process using POSIX and Semaphores ... |
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Feb 24, 2022 at 10:53am
[17 replies] Last: Take a look at this: http://wiki.ros.org/roscpp_tutorials/Tutorials/W... (by coder777)
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by shaefayejem
Pointer not printing next value
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| I am not sure, what is wrong with my code.. I was expecting the code to print Child :: 1 Child :: 2 But it is only printing Child :: 1 #in... |
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Feb 24, 2022 at 2:08am
[11 replies] Last: Thanks. This is great stuff and something that I have not been seeing... (by shaefayejem)
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| Reading and printing using class, enum class, default constructors and setters/getters |
| I'm getting loads of errors in printing. I'm also unsure how to use setters/getters. Could someone help? #include <iostream> #include <fstream> #include... |
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Feb 23, 2022 at 6:14pm
[18 replies] Last: Given that data file, the output from my code above gives: The stud... (by seeplus)
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by person5273
no match for operator>>
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| Hi, so I'm a total beginner and am having trouble trying to overload the insertion operator. When I try it tells me "error: no match for ‘operator>>’ (opera... |
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Feb 23, 2022 at 5:29pm
[8 replies] Last: The array size is specified at compile time. (by seeplus)
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by s021623
create functions of moving linked nodes (1,2)
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| I have created the main to test the nine functions and the class for the doubly linked nodes Class for doubly linked nodes class Doubly_linked_list // Use a... |
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Feb 23, 2022 at 3:28pm
[32 replies] Last: Your Insert_at_back() declares the parameters in the wrong order. It s... (by dhayden)
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by elon dusk
How to code a 2D array rolling algorithm using WASD keyboard control
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| I'm fairly new and I'm trying to display a 2D array rolling algorithm so that I can continuously rotate the display in UP, DOWN, LEFT, and RIGHT directions. By... |
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Feb 23, 2022 at 12:02pm
[10 replies] Last: Like this. #include <stdio.h> #include <stdlib.h> #define A_WIDTH ... (by salem c)
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| strings and vectors |
| The numbers I input are not adding at the end. May I know why? #include <iostream> #include <vector> using namespace std; int main( ) { int n... |
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Feb 23, 2022 at 10:00am
[3 replies] Last: #include <iostream> #include <vector> #include <numeric> int main()... (by seeplus)
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by merlinf
Reverse singly linked list
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| Hello everyone, I have an assignment that I must reverse a singly linked list, and I tried to search on the Internet and found this code but I really don't unde... |
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Feb 23, 2022 at 4:11am
[2 replies] Last: pop the top and insert it into a new list at the top 1 - 2 -3 -4 pop... (by jonnin)
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| Need help with number guessing program |
| I'm trying to make a program where the user guesses a predetermined number in a program with only 10 tries before the program ends. I can't figure out how to ha... |
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Feb 22, 2022 at 9:34pm
[5 replies] Last: Update: thanks guys! appreciate the help a lot. (by frogovalgoggles)
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by daddymomo
Loops
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| I'm trying to write a program that repeats a block of code as long as the user indicates they want to. I've been trying to make one using this code but I keep g... |
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Feb 22, 2022 at 5:31pm
[13 replies] Last: For purposes of being semi-readable I might add some judicious whitesp... (by deleted account xyzzy)
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by astronaut971
I got Errors in C++ when try to use modules
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| Hi I have a python script that read IMU data from the sensor. This is the part of the scrip which get the IMU sensor data import Microcontroller_Manager_Ser... |
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Feb 22, 2022 at 5:17pm
[17 replies] Last: @Peter87, that is good advice! Though every browser I use, desktop or... (by deleted account xyzzy)
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| Delete Node |
| This week in my class my professor assigned a project where we have to create a program that reads a txt file and using add, delete, and animation turns it into... |
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Feb 22, 2022 at 11:02am
[12 replies] Last: To include remove, then possibly: #include <iostream> #include <str... (by seeplus)
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by PhysicsIsFun
read in using getline - empty row at the end?
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| Greetings! In a book (using C++ 14) there was an example about reading from files using getline. I implemented the following method: vector <double> rea... |
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Feb 22, 2022 at 4:53am
[18 replies] Last: The book on Amazon has a newer version available now, published a coup... (by deleted account xyzzy)
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by janac
error impllies the method is static, but method isn't static
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| I'm getting this error: error C2355: 'this': can only be referenced inside non-static member functions or non-static data member initializers I looked it up... |
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Feb 21, 2022 at 7:32pm
[8 replies] Last: @janac, I am pleased I was able to help. :) (by deleted account xyzzy)
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by Shervan360
Do we need check SIZE in for loop?
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| Hello, Can I remove i < SIZE ? I think string1 != '\0' is enough condition. because absolutely string size isn't more than 20 #include <stdio.h> #... |
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Feb 21, 2022 at 6:07pm
[11 replies] Last: With printf() etc, you can use * for a format width to get a width val... (by seeplus)
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by Paul50002
Help with this program.
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| Hello I've been having to work and rework this program for weeks. I am wondering if someone cn look at and help.It will be appreciated. Here is the assignmentme... |
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Feb 21, 2022 at 4:09pm
[7 replies] Last: Lol I am Rodger Coleman. It's a made up name trying to stay Anonymous... (by Paul50002)
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