please wait
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by Sandra710
Rewrite while loop using for to read a txt file
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| If I want to use for() loop instead of a while()loop to read a file, do I count a total number of lines in an input file? If so, how to count it? Will it be sl... |
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Sep 26, 2020 at 9:33pm
[3 replies] Last: int n = (int)strlen(buffer) - 1; buffer = 0; The pr... (by dhayden)
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by Dbreaker
C++ linker error? Won't compile in Xcode.
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| I had part of a polynomial multiplier program running in Xcode but after I added and deleted some code that wasn't working I got a build error. Undefined... |
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Sep 26, 2020 at 7:34pm
[9 replies] Last: Just one character after all: I forgot to remove an '&' that was in th... (by Dbreaker)
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| how to get backspace input from keyboard |
| hi to all, I've mysql server in centos6 server and codeblocks in centos 7client. i am trying to do autofill of product name when we input some initial lette... |
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Sep 26, 2020 at 6:53pm
[11 replies] Last: Well first you study how all the multi-byte key presses are encoded as... (by salem c)
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by Dbreaker
How do you add 2D array elements diagonally?
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| In a C++ program I have a 2D array of integers. What kind of code would I need to sum each diagonal row of integers going from array = (0, 0) to array = (n... |
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Sep 26, 2020 at 4:38pm
[3 replies] Last: Hello Dbreaker, Another way to look at what salem c start with. I ... (by Handy Andy)
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by Hary swe
Calculator. How to fix if user types letters isto numbers (1,2)
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| Hi, Im trying to learn som C++ Im trying to make a calcylator. If the user types ex (nr1/n2) 2/b it crashes. How do I define nr1 nr2 to only digits? Oh, ... |
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Sep 26, 2020 at 2:05pm
[26 replies] Last: How to fix if user types letters into numbers See keyinp.hpp www.... (by seeplus)
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by LmaverickD
Quick Sort - How to copy the remaining element back & rand the pv
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| First of all, thank you for everyone who took their time to help us, beginners, here to learn. My question for the day is I need to create a Quick Sort progr... |
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Sep 26, 2020 at 2:03pm
[4 replies] Last: say that you have arr = {"hello", "brave", "new", "world"}; suppose... (by ne555)
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by ebz
How do I use VirtualAlloc on the Linux platform?
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| Hello! I somewhat learned how to use VirtualAlloc on Windows, but not sure how to do the same thing on Linux. I've got the following: memory = (unsigned ... |
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Sep 26, 2020 at 7:52am
[4 replies] Last: Thanks :) (by ebz)
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by Mif
Help with Keyboard input
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| When I press left, right, up, and down Keys always goes +2 if I change the keys for using direction to any other from the keyboard like e.g. w,a,s,d it's worki... |
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Sep 25, 2020 at 5:23pm
[11 replies] Last: Finally I solve the problem.. I had to reset the snake tail int the l... (by Mif)
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| Trouble with Arrays in Classes |
| I'm still somewhat new to C++, and I'm attempting to write an array from an users input inside an object. I keep getting the error "CRT detected that the applic... |
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Sep 25, 2020 at 2:51pm
[8 replies] Last: Thank you eveyone! Especially Dhadyden and seeplus because I now under... (by mygoodirishman)
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by learner999
Read data from file into array VS
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| Hello everyone, I am quite new learner of C++. In a data file whose extension is .dat named as Project.dat, there are two arrays that I need to read.They seem ... |
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Sep 25, 2020 at 12:35pm
[13 replies] Last: Hello everyone;Thank you to all of you. I understood well , I learnt h... (by learner999)
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by ebz
Question about passing a struct to a function by reference. One of the properties reads -3689348814741910324
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| I'm trying to learn how to allocate memory reading a tutorial. I wanted to allocate 128mbs of memory. 64 for permanent memory and another 64 for allocating temp... |
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Sep 25, 2020 at 1:23am
[2 replies] Last: Hey Ganado that worked perfectly, thanks a lot :) (by ebz)
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by felloz
Pointers - question
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| I have the next doubt in the documentation https://www.cplusplus.com/doc/tutorial/pointers/ We can see this example in how to access a var address. myvar ... |
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Sep 25, 2020 at 12:51am
[1 reply] : Yes. (by helios)
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by DonnaPin
overloading ++ operators
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| Hi, I am learning about overloading the ++ operators, and I believe I have the concept understood. But there is a slight problem I am having. I dont understand ... |
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Sep 24, 2020 at 4:25pm
[3 replies] Last: post-increment is operator++(int), pre-increment is operator++(). De... (by seeplus)
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by rin103
SIMULATION problem
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| I don't know what's wrong with my code. It runs, but it does not print properly. example simulation.txt ------ 2000 0.1 5 15 5 20 ------ #inc... |
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Sep 24, 2020 at 2:10pm
[5 replies] Last: That won't be what you got from your original code, where you were di... (by lastchance)
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by Leonardo797
get rid of a statment without affecting the program
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| how can I rewrite the program so that the continue statement is no longer needed. // This program calculates the charges for DVD rentals. // Every third DV... |
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Sep 24, 2020 at 2:03pm
[6 replies] Last: break and continue are tools that you WILL need on occasion; that is w... (by jonnin)
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by Leonardo797
help changing a simple statement
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| can someone help me to rewrite this code so that break; is no longer needed // This program raises the user's number to the powers of 0 through 10 #includ... |
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Sep 24, 2020 at 9:28am
[3 replies] Last: Hello Leonardo797, Properly indented this is what your program looks ... (by Handy Andy)
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by Leonardo797
help with int sum, average and total number
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| I just need help finding the count of the numbers that the user has entered, I don't need the sum or the total #include<iostream> using namespace std; in... |
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Sep 24, 2020 at 4:10am
[2 replies] Last: Thanks jonin!!!, wow I forgot that (by Leonardo797)
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by Jamesboom
BTW calculation
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| Hello World, im new in C++ programming. I would like to calculate the VAT rate of 6 items. I want to design a program that increases the price of an item wi... |
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Sep 23, 2020 at 11:09pm
[14 replies] Last: just one small note, but i think worth saying: you don't need to buy a... (by TLoke)
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| help with conditional statements |
| Hello I'm need some help with my condition statements for my "gear indicator" Arduino program for my manual car my H pattern manual gearbox has 4 sensors ... |
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Sep 23, 2020 at 10:15pm
[1 reply] : if you want it efficient, this begs a lookup table or a switch stateme... (by jonnin)
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by Panda125
Is there a more efficient way?
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| I'm relatively new to c++(barely understand what I'm doing). but I tried to make a table. This however, needs some work. I basically made a user input and multi... |
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Sep 23, 2020 at 10:01pm
[3 replies] Last: reuse what you did already: xxy = 2*xy; etc... some compilers can chan... (by jonnin)
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