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| Player DVD program |
| Hey guys, I need to do an assignment for university, but I'm a complete noob, so maybe you can help me here. There is piece of code below and I need to complete... |
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Jun 5, 2020 at 7:53pm
[1 reply] : What have you learned about C++ so far? Do you know how to write a cla... (by Ganado)
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by mermaidly
Making sure there is a certain character in string
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| Hello, how do I make sure the input that I get ends with a full stop '.' using do-while? Example: Hello. #include <iostream> using namespace std; void upper... |
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Jun 5, 2020 at 7:24pm
[7 replies] Last: Careful - this will not behave properly if the string is empty. (by mbozzi)
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by tuanle007
offset values and operators to increment pointers
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| line 17 "Counter" is undefined. how do I fix this? // Listing8.9.cpp : This file contains the 'main' function. Program execution begins and ends there. ... |
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Jun 5, 2020 at 6:16pm
[2 replies] Last: oh ok. thank you!! i was sitting there for 30 mins. couldnt figured ... (by tuanle007)
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by taniam
Math problem
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| I just started learning C++ and I have to solve this problem: Let be x an integer variable. For what values of x does the expression x+7==8*x take the value 1. ... |
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Jun 5, 2020 at 5:32pm
[5 replies] Last: 1) that is just mathspeak. x is a variable. It could be 23. It cou... (by jonnin)
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by Shervan360
expression must be a modifiable lvalue with 2D arrays
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| Hello, I have an error in the constructor. Please help me. Thanks #include <iostream> #include<string> using namespace std; class MyMatrix { p... |
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Jun 5, 2020 at 5:26pm
[2 replies] Last: my = s can be changed to: memcpy(my,s, sizeof(int)*9); //9 is 3*3. m... (by jonnin)
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by mpelle
My code only works for specific test cases, and I'm not sure why.
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| I'm doing an extra credit assignment and my teacher said that my code doesn't work for all test cases, only specific ones. I'm not sure why. She also said that ... |
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Jun 5, 2020 at 3:28pm
[3 replies] Last: result is meant to change, it is the sum of the values in the row of ... (by deleted account xyzzy)
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| Help With #define |
| Hello, I have a problem with #define macro. I would get _DIGIT_ number x with the macro _DIGIT(x) #define _DIGIT_0 5 #define _DIGIT_1 6 #define _DIGIT... |
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Jun 5, 2020 at 1:24pm
[9 replies] Last: this looks like you want an enum to me. (by jonnin)
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by mj425
Functions
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| I'm trying to pass the total from another function to the main function but I'm having trouble. I keep getting 1.5 instead of 7. What am I doing wrong? #incl... |
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Jun 5, 2020 at 1:20pm
[2 replies] Last: from time to time, just redoing it feels like the best way to xplain i... (by jonnin)
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by tuanle007
pointerS, HOW COME my answer is different from the book
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| how come my answer is different from the book? are the addresses not the same? Integer age = 30 Integer dogsAge = 9 pointsToInt points to age pointsToInt = 0x0... |
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Jun 5, 2020 at 12:58pm
[3 replies] Last: at little more on that, a pointer is the location in your computer's ... (by jonnin)
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by jeraya6
1D array problem
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| Hi Everyone! i have a small program here,i let the user choose the size of the 1D array and it's elements and if they want to print it they should press 1.. no... |
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Jun 5, 2020 at 12:17am
[2 replies] Last: int a ; creates an array with zero elements in it, and no way to cha... (by deleted account xyzzy)
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by jeraya6
functions not working
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| Hello again, i made some progress with this code, now the problem i face is everything works fine except for the 3rd option, i see both functions are written c... |
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Jun 4, 2020 at 10:46pm
[7 replies] Last: int x=1; while (x == 1) cout<<"thanks alot man"<<endl; (by jeraya6)
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by LegalWeasel
Help With Averaging
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| I have made this post before with answers that solve a previous problem but now a new one has shown up. When you enter the first value the code doesn't go onto ... |
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Jun 4, 2020 at 8:43pm
[10 replies] Last: All problems with the code have been fixed, A file was simply in the w... (by LegalWeasel)
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by LegalWeasel
Help With Averaging Code
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| Write your question here. Could someone help me figure out why the program has an initialized local variable? #include <iostream> int main() { int n; ... |
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Jun 4, 2020 at 8:41pm
[5 replies] Last: Hey there, Thanks for all the advice given, sorry if it was a bit of a... (by LegalWeasel)
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by confundido
BST Algorithm Copy Only Even Data
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| I am looking for assistance with an algorithm to copy even data in a BST of integer data. I have a somewhat working algorithm, but it misses some right nodes, a... |
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Jun 4, 2020 at 6:43pm
[4 replies] Last: Yeah, the intent (I imagine) is more problem solving. But yeah, some o... (by confundido)
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by RslWlsn3
Parsing string
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| Say I have a string with json like data such as "{"flight_number":65,"mission_name":"Telstar 19V","mission_id":["F4F83DE"],"launch_year":"2018"" How can I ex... |
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Jun 4, 2020 at 6:05pm
[4 replies] Last: Your structure is: { "A" : B , "C" : "D" , "E" : ["F"] ,... (by dutch)
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by rhap123
How to update the data in txt file
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| Im trying to update the data but I am not sure on how to update it. ofstream myfile; myfile.open("data.txt"); cout << "Update the existing data"<<endl... |
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Jun 4, 2020 at 5:11pm
[6 replies] Last: That is why Im having problem when updating the file. I have already m... (by rhap123)
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by LegalWeasel
Error Spotted In Places With No Error.
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| Error Spotted In Places With No Error. Expect a ';' at line 26. Syntax Error: 'string' at line 30. Syntax Error: ';' at line 34. Syntax Error: missing';' befor... |
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Jun 4, 2020 at 3:26pm
[1 reply] : The word "string" doesn't appear a single time in the code you've show... (by helios)
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| Is a class the answer to my function mess? |
| I periodically write code for embedded microcontrollers. Most of it is pretty simple. I've gotten by using functions. Some functions have static variables whi... |
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Jun 4, 2020 at 1:24pm
[5 replies] Last: To make Jonnin's suggestion fully match your original post, you'd add ... (by dhayden)
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by Hassan1995
Taking output of pgm file format to construct frequncy table
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| here I am reading a PGM format I want to construct a frequency table for Huffman compression and decompression in C++ how can I extract the output of the pictur... |
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Jun 4, 2020 at 5:04am
[3 replies] Last: > i'm new to C++ and data structure Perhaps you should start by writin... (by salem c)
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by kenken
While loop help
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| Would someone please help me understand why the following codes produce different outcomes for the variable sum when the variable number's type is changed to un... |
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Jun 4, 2020 at 3:38am
[3 replies] Last: Both sum AND number wrap around when entering -1. std::cin goes int... (by deleted account xyzzy)
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