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by syeare
Vector Not Printing
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| What I must do: Make a program that makes a double vector with at least 30 negative and positive elements. I also must have functions to calculate/print th... |
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Oct 29, 2020 at 10:14am
[10 replies] Last: Hello syeare, constexpt started with the C++ 2011 standards. It is ... (by Handy Andy)
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| Equip Item (attach one class-instance to another) |
| Hi there I am currently working on my first mildly complex test-program. It is a RPG-Combat program where I want to test some programming techniques to later... |
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Oct 29, 2020 at 6:07am
[7 replies] Last: Well, I'm really fairly new to programming. So while of course my goal... (by theoneandonlyboiler)
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by josh84
C++ patterns
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| Any help on how to get this pattern printed? ********** ********* ******** ******* ****** ***** **** *** ** ... |
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Oct 29, 2020 at 2:46am
[3 replies] Last: Thanks guys. This is the code I ended with. It works well... #inc... (by josh84)
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by samyulg
Calc standard deviation
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| I need to calculate the mean and standard deviation of 16 house prices. The data is being read in from a text file. The program compiles, but it does not correc... |
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Oct 28, 2020 at 10:59pm
[3 replies] Last: You are never using the return value of your calcMean function. The me... (by Ganado)
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by jelani
Why can't I type std::cout in std::cout?
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| I'm trying to make a translator of sorts that asks you what Python keyword you want to find the C++ equivalent of. std::cout << "The equivalent of 'print(... |
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Oct 28, 2020 at 10:58pm
[3 replies] Last: Thanks! I changed the line of code. It turns out that there was anothe... (by jelani)
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by ChesterPlus
Monty Hall Calculations
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| So I'm having a bit of an issue when I'm trying to calculate the probability of each strategy in the Monty Hall problem. I'm trying to print out each game won, ... |
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Oct 28, 2020 at 7:29pm
[9 replies] Last: coder777, THANK YOU. I was looking in the wrong place. (by ChesterPlus)
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| Reading file into 2D array, separated by comma |
| Hi, so my assignment is to create a French to English translator. My first task is to take a file and put the 1000 English and French words into a 2D array. The... |
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Oct 28, 2020 at 5:22pm
[7 replies] Last: string langArray ; Unfortunately, this is not standard C++ - al... (by seeplus)
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| How can I demangle names without running c++filt |
| if I run this like ./prog I get: St13runtime_error too few arguments if I run this like: ./prog | c++filt -t I get: std::runtime_error too few argum... |
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Oct 28, 2020 at 2:02pm
[5 replies] Last: @Ganado Thank you very much -- it is exactly what I was looking for. (by closed account oivD8vqX)
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by jnxmm
How can I change a character inside a string?
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| Hello! How can I change a character inside a string? For example, cout<<"sin(a): "<<sin(a); The "a" in sin(a) needs to be changed into the number inputted... |
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Oct 28, 2020 at 10:41am
[2 replies] Last: Thank you so much! (by jnxmm)
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by Leonardo797
Add error checking to this program
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| I have the following two programs in which I want someone with the knowledge to help me check and add some lines CODE #1 code to see did it catch the first e... |
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Oct 28, 2020 at 10:10am
[3 replies] Last: You don't need to use an array/vector. You can read a line from each a... (by seeplus)
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by ngb123
* or & ?
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| Hi, my most confusing part of programming in c++ is the decission of using * or & in a functions argument-type when passing data pointers. I have read tha... |
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Oct 28, 2020 at 9:31am
[2 replies] Last: In pass-by-value, a clone is made and passed into the function. ... (by againtry)
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by rainpiggy21
What did I do wrong?
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| what did I do wrong? everything worked fine but my else { cout << "no, it is not divisible by 9" << endl; is being ignored and I can't get it on output... |
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Oct 28, 2020 at 6:31am
[2 replies] Last: Thank you, I'm still new to coding and I did change some stuff you hav... (by rainpiggy21)
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by syeare
Array Parameter Changed Into Vector Parameter (Passed by Reference)
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| Hello, I am trying to convert a double array parameter into a vector. I don't have a very full understanding of vectors and I couldn't comprehend the document... |
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Oct 28, 2020 at 5:16am
[1 reply] : Vectors keep track of their size, so you don't need to pass that separ... (by dutch)
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| time and wrong input message |
| hi, the question says to get the current time and display a message if the input is incorrect. i got the time but how do i get a message? im a beginner who kn... |
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Oct 27, 2020 at 8:55pm
[11 replies] Last: fidarova, forget your initial attempt at using time_t or localtime, et... (by Ganado)
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by Vendetto
Exception code: 0xc0000409
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| So I wrote a beginner's program to wipe out some files and copy some updated ones in their place. I used ALOT of system( ) commands and decided now it was time... |
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Oct 27, 2020 at 2:26pm
[14 replies] Last: Another weird thing I noticed is that if I let everything sit for seve... (by Vendetto)
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by leolawaltz
using get line to enter a strings into a dynamic array
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| Hi, I'm in my second semester of c++ and am having trouble entering a string into a dynamic array. Here is my function: [code in main] int size; /... |
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Oct 27, 2020 at 2:06pm
[5 replies] Last: Good idea to check and an alternative while loop arrangement: #inclu... (by againtry)
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by mickydint
Base class pointer accessing derived class method
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| I am writing a Bank Account management system and have an abstract base called AccountsFactory. I use a static method AccountsFactory::create(int option) which... |
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Oct 27, 2020 at 2:01pm
[2 replies] Last: Thank you. There is so much to remember about inheritance and polym... (by mickydint)
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by DonnaPin
ofstream open?
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| Hi, I am learning about the streams and files etc. And I am on the ofstream open, and my book says that the prototype for the open for the ofstream is v... |
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Oct 27, 2020 at 1:46pm
[4 replies] Last: This part of the prototype is a 'default value' ios::openmode mode = ... (by mickydint)
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| Convert an array, so that odd numbers are in the first half, even numbers on the second half. |
| Example: Input: 8 1 2 3 4 5 6 7 8 Output: 1 3 5 7 2 4 6 8 It is necessary to use pointers I know my code is not correct, how can I make it right? ... |
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Oct 27, 2020 at 1:33pm
[4 replies] Last: if you use a vector you can use the Standard Template Library partitio... (by mickydint)
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by Brainspell
"clock" object
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| with std::chrono, how could I make a "clock" object that keeps system time? |
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Oct 27, 2020 at 10:25am
[12 replies] Last: Try this. It's adapted from cppreference and can be run in a separate ... (by againtry)
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