Beginners - September 2020 (Page 9)

Mistake in a counting-corrector
Hello! I am learning how to use c++, but I just got into a problem that I can't solve. Somebody, please help me, what have I done wrong. It would be a program t...
Sep 6, 2020 at 4:36pm
[1 reply] : = is for assignments. == is for comparisons. (by Peter87)
Help with code (1,2)
I need help, my code is just not working and I've tried everything to make it work. I've been at this for a week and well, I haven't been able to get it to disp...
Sep 6, 2020 at 11:38am
[20 replies] Last: I think I know where the abuse came from. But you're OK sheeppuspus, ... (by againtry)
For loop problem
Hello guys It's just a registration form for which I am taking a person name and the person phone number and store it in a data file I use a loop in this I w...
Sep 6, 2020 at 7:30am
[14 replies] Last: @Furry Guy - yes you're right about your code limitations. Consider: ... (by seeplus)
by romey
Code not outputting correct value if input is invalid.
I'm writing a Roman numeral to Arabic number converter. Its mostly working - just a small hiccup. One requirement is that if the input has an invalid char...
Sep 6, 2020 at 2:17am
[10 replies] Last: Ah. going the other way is a pain. but there are only a few thousand ... (by jonnin)
Address of array in C
Hello, I execute the below code and the result is: 10353140 - 10353140 - 10353156 - 10353188 I expected &a + 1 to be the same with a + 1. because a...
Sep 6, 2020 at 1:34am
[2 replies] Last: Arrays are not pointers. The type of a is int . Notably, it is ... (by mbozzi)
Visual Studio Question
When I'm editing .cpp and other types of files using *other tools*, Visual Studio frequently starts up even though it was not asked to. It apparently sets up an...
Sep 6, 2020 at 12:59am
[2 replies] Last: Thanks, that helped. i got visual studio out of the "open with" list a... (by lbrandewie)
Print elements of array of void pointers
Hello, How can I fix this? I want to print all data in this array. # include <stdio.h> int main() { void* myPointer ; int a = 10; float b = 30; char c ...
Sep 5, 2020 at 6:44pm
[4 replies] Last: Hello Shervan360, # include <stdio.h> int main() { void* myPointe... (by Handy Andy)
by mikeyb
Help with coin code
Hello, I am looking for some help with this issue I am having, I think its something to do with my variables but I am not sure. The goal is to make a prog...
Sep 5, 2020 at 11:58am
[4 replies] Last: Why the brackets around the numbers? You don't need them. quarters ... (by seeplus)
by Nergis
uninitialized local variable 'guess' used how to fix it!
It says C4700 uninitialized local variable 'guess' used. i dont get it, how do i fix it please help! #include <iostream> using namespace std; int main()...
Sep 4, 2020 at 11:06pm
[2 replies] Last: Thanx alot! Fixed it :D (by Nergis)
by Mif
How to retrieve data from a text file? (1,2,3)
Okay, Here we go again.. same code but I added the function retrieveData. Works like for a 50%, cause it read only the first address. So If I save another addr...
Sep 4, 2020 at 10:36pm
[56 replies] Last: I've had occasions where removing eof() would mean restructuring the c... (by zapshe)
comma operator
Hi, I am learning the comma operator, and I am going through a problem which uses it, but I am having an issue with it. I have put the code from the problem bel...
Sep 4, 2020 at 5:41pm
[15 replies] Last: Now we can add incoherence to the incompetence. As a face-saving attem... (by againtry)
by booood
C++ class to create a new type Boolean with the two values F and T defined.
Use a C++ class to create a new type Boolean with the two values F and T defined. Use the C++ class/struct keyword and an array to create a list of pairs that ...
Sep 4, 2020 at 10:31am
[3 replies] Last: https://www.chegg.com/homework-help/questions-and-answers/1-use-enum-k... (by againtry)
Update data in a file and Delete Data In a file
Hello Every one i hope every one is doing well:) i write a program for banking in c++ it is a sample program which has 2 options 1st: option is for cre...
Sep 4, 2020 at 9:10am
[8 replies] Last: Hello Saleem c Can you please provide a me an example are solid mater... (by adeel zamann)
Accessing array elements using pointers or subscripts?
Hello, Which is faster? Accessing array elements using pointers or subscripts? Thanks int num = { 24,34,12,44,56,17 }; printf_s("%d",*(nu...
Sep 4, 2020 at 1:17am
[2 replies] Last: Compiles to the exactly same thing. @Shervan80, Consider making http... (by mbozzi)
Modern C++ Example on a class
Hello, I'm trying to figure out how code is recommended to write with the C++17 standard. I am reviewing code of a little library I wrote for personal use and ...
Sep 4, 2020 at 12:58am
[8 replies] Last: While that backs the theory of these keywords I have seen other posts... (by mbozzi)
by yup2
Replacing letters in a string by other ones
Im having trouble replacing letters of the alphabet with one and other, for instance: A->E B->R and so on.. I've been using the following...
Sep 3, 2020 at 10:22pm
[3 replies] Last: Also: #include <iostream> #include <string> #include <algorithm> u... (by seeplus)
by CeErre
printf - Pulling multiple variables in one line
Hey Guys, I'm a noob programer. Im tryin to figure out how to pull multiple variables into one line of printf. the code below should be in a sinlge line! i c...
Sep 3, 2020 at 9:55pm
[5 replies] Last: It is worth noting that to concatenate literal strings, they just need... (by seeplus)
arrays - right index changes faster??
Hello, I am reviewing arrays, and in my book it says "2D arrays are stored in row - column matrix, where the first index indicates the row and the second indica...
Sep 3, 2020 at 9:12pm
[6 replies] Last: This has now become a joke. The comment about speed relates to the rel... (by againtry)
repeating inputs
im having problems where it still considers my last input for example factorial of 5 = 120 factorial of 6 = 86400 which is 5! x 6! is there any way is can re...
Sep 3, 2020 at 7:06pm
[2 replies] Last: Thanks it fixed it :) (by paper01)
Best C++ Course
Hello All, Can anyone suggest me the best c++ course, I want to learn C++ programming online. I have check udemy site to purchase a course but I am confused to ...
Sep 3, 2020 at 12:35pm
[7 replies] Last: @Adisharma, By all means make your own mind up. On this website there... (by againtry)
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