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Beginners - October 2020 (Page 2)

by syeare
Vector Not Printing
 
What I must do: Make a program that makes a double vector with at least 30 negative and positiv...
Oct 29, 2020 at 10:14am
[10 replies] Last: Hello syeare, constexpt started with the C++ 2011 standards. It is ... (by Handy Andy)
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 progr...
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)
by josh84
C++ patterns
 
Any help on how to get this pattern printed? ********** ********* ******** ******* ...
Oct 29, 2020 at 2:46am
[3 replies] Last: Thanks guys. This is the code I ended with. It works well... #inc... (by josh84)
Calc standard deviation
 
I need to calculate the mean and standard deviation of 16 house prices. The data is being read in fr...
Oct 28, 2020 at 10:59pm
[3 replies] Last: You are never using the return value of your calcMean function. The me... (by Ganado)
by jelani
Why can't I type std::cout in std::cout?
 
I'm trying to make a translator of sorts that asks you what Python keyword you want to find the C++ ...
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)
Monty Hall Calculations
 
So I'm having a bit of an issue when I'm trying to calculate the probability of each strategy in the...
Oct 28, 2020 at 7:29pm
[9 replies] Last: coder777, THANK YOU. I was looking in the wrong place. (by ChesterPlus)
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 an...
Oct 28, 2020 at 5:22pm
[7 replies] Last: string langArray ; Unfortunately, this is not standard C++ - al... (by seeplus)
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: ./...
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)
by jnxmm
How can I change a character inside a string?
 
Hello! How can I change a character inside a string? For example, cout<<"sin(a): "<<sin(a); Th...
Oct 28, 2020 at 10:41am
[2 replies] Last: Thank you so much! (by jnxmm)
Add error checking to this program
 
I have the following two programs in which I want someone with the knowledge to help me check and ad...
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)
by ngb123
* or & ?
 
Hi, my most confusing part of programming in c++ is the decission of using * or & in a functions ...
Oct 28, 2020 at 9:31am
[2 replies] Last: In pass-by-value, a clone is made and passed into the function. ... (by againtry)
What did I do wrong?
 
what did I do wrong? everything worked fine but my else { cout << "no, it is not divisible b...
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)
by syeare
Array Parameter Changed Into Vector Parameter (Passed by Reference)
 
Hello, I am trying to convert a double array parameter into a vector. I don't have a very full und...
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)
time and wrong input message
 
hi, the question says to get the current time and display a message if the input is incorrect. i g...
Oct 27, 2020 at 8:55pm
[11 replies] Last: fidarova, forget your initial attempt at using time_t or localtime, et... (by Ganado)
Exception code: 0xc0000409
 
So I wrote a beginner's program to wipe out some files and copy some updated ones in their place. I...
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)
using get line to enter a strings into a dynamic array
 
Hi, I'm in my second semester of c++ and am having trouble entering a string into a dynamic array. ...
Oct 27, 2020 at 2:06pm
[5 replies] Last: Good idea to check and an alternative while loop arrangement: #inclu... (by againtry)
Base class pointer accessing derived class method
 
I am writing a Bank Account management system and have an abstract base called AccountsFactory. I u...
Oct 27, 2020 at 2:01pm
[2 replies] Last: Thank you. There is so much to remember about inheritance and polym... (by mickydint)
ofstream open?
 
Hi, I am learning about the streams and files etc. And I am on the ofstream open, and my book says t...
Oct 27, 2020 at 1:46pm
[4 replies] Last: This part of the prototype is a 'default value' ios::openmode mode = ... (by mickydint)
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...
Oct 27, 2020 at 1:33pm
[4 replies] Last: if you use a vector you can use the Standard Template Library partitio... (by mickydint)
"clock" object
 
with std::chrono, how could I make a "clock" object that keeps system time?
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)
October 2020 Pages: 1234... 13
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