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Beginners - May 2018 (Page 14)

I am writing code for a library management system. Under "case 1" I need to assign the letter "A" to a book after the user has inputted the book name. How do I ...

[1 reply] : I need to assign the letter "A" to a book after the user has inputted... (by Enoizat)

by kaptsea

Function takes a ref to a string but not a string literal from the call

Hello there folks! I have a problem with some code. My function would be like: void function(const std::string& string1){ //do something here } ...

[2 replies] Last: Just tested your code. It works. If you are having trouble, it is prob... (by Manga)

by paulpv278

cannot read white spaces

hi everyone , i have to read a text file containing 2 columns , 1 is sort of the instruction and 2nd is the string involced. so i used istringstream for that an...

[3 replies] Last: Please consider what I have done in my example: in >> item >> ws (w... (by lastchance)

by paulpv278

switch and read text file

Hi Everyone , i am trying to read a file test.txt that has 2 columns. the 1st column serves as an intruction and the 2nd column serves as the value. but note th...

[4 replies] Last: HI Everyone thanks for the suggestions, I manage to read the set of in... (by paulpv278)

by sciman777

How does including libraries work with classes?

Hello, so if I create a class, but I use a headerfile for the declarations, and an additional CPP file for the functions, constructor and deconstructor, how wo...

[2 replies] Last: In general, only use #include's where you need to use them. And also, ... (by Ganado)

by arczi w

Reading file of data, each column with unknown number of spaces

Hello, Imagine you are given a file of data about movies. It is written in such file where it was created. In that case, it might be "Germany" as well as "Gr...

[4 replies] Last: Thank you! (by arczi w)

by stormbot

Need help formatting this table? It's almost perfect...

"Electric sander" is the longest string and it makes the table print off center. Here is a picture of the table now: https://i.gyazo.com/63285171300f83cb232...

[3 replies] Last: Right, got that confused, thanks for the correction. I agree, best to ... (by Ganado)

by Deneviel

Single entry edit in Random Access file

Getting crazy over it while i'm pretty sure it's quite easy to do T_T As the title claim i have a random access file and would like to edit only 2 entry of a...

[5 replies] Last: After the polish and some fix ( it still has some bugs when creating a... (by Deneviel)

by Thesar

How to copy a pointer List to another pointer list?

I have a template class containing a pointer to a list, the constructor for this class takes in a pointer List as parameter, but i am stuck in how i copy the pa...

[9 replies] Last: OK, but then it will not be able to point to objects of the derived cl... (by Peter87)

by acaspiroy2

2 dynamically allocated array that form a thrid

Write a program that declares two dynamically allocated arrays of integers and appends the second array at the end of the first one to form the third one Ive...

[1 reply] : allocate A allocate B allocate C that is as long as A and B together c... (by keskiverto)

by sammycarj

dynamically allocate an array and print content in reverse

I need to Write a program that dynamically allocates an array, enters its content from the keyboard and print its content in reverse order i am able to print it...

[1 reply] : So what have you done to print the array contents in reverse order? B... (by jlb)

by stormbot

Trying to make a selection sort for my user class array

I am trying to sort my array of data type "Invoice" in ascending order by partDes (the string element). I am getting alot of errors, but I feel like I am close....

[3 replies] Last: If you do want to swap invoices with invoices , then do so: std::swa... (by keskiverto)

by angchan

File sort and linked list

I am having trouble understanding how to create a code where it takes in two files and uses the info from the two files to generate a new file. The first of the...

[5 replies] Last: FurryGuy-Hi, I would like to use the std::list but my assignment requi... (by angchan)

by stormbot

Change insertion sort to descending instead of ascending?

I am using an insertion sort on an array of objects. I have it working right now, but it is in ascending order and I want descending. How can I fix this? vo...

[1 reply] : I think you just need to reverse the test in the while loop while (j... (by tpb)

by stormbot

Why is my [i] counter giving me this error?

I am trying to calculate the total cost per item (quantity * price) but my counter variable is giving me this error: Any help would be greatly appreciated! I us...

[2 replies] Last: Perfect answer, thank you! (by stormbot)

by stormbot

Need help with insertion sort... think I'm close?

I am trying to sort my array in descending order by Price. The array is data type "Invoice". I have never used an insertion sort (yes I have to for my assignmen...

[1 reply] : I solved this on my own, but for anyone having this issue... I changed... (by stormbot)

by One Pea

Efficient way to fill a 2D Array?

The function "arrayFill" fills a 2D array with a sentence the user enters, and it works. I was wondering if their is a more efficient way of doing this? ...

[1 reply] : I was wondering if their is a more efficient way of doing this? Well... (by Enoizat)

by sreich

If statements, multiple choices

When I run the following code I get the error "Code will never be executed" at the beginning of the second 'if' statement. How do I fix this? #include <iostr...

[3 replies] Last: if (choice == 'f' || 'F') { This doesn't mean what you think it mean... (by Repeater)

by seakylone

No Match for operator <

I got this error message from the compiler: no match for ‘operator<’ (operand types are ‘const VP’ and ‘const VP’). The problem is I actually implem...

[3 replies] Last: It should be possible to implement it as a member function. I think th... (by Peter87)

by samtheman

VS 2017 community

I am just asking these questions in head of time: 1)Will I be able to include Graphic.h in a project with VS community 2017?. 2)If this can be done would yo...

[2 replies] Last: Something close to graphics.h is WinBGI. https://github.com/Duthomhas/... (by Thomas1965)

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