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by inf2405
Numerical Approximation
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| Hi, I have to code two numerical approximations and compare them by giving them two different values of h, namely h1 and h2. I have already written the code,... |
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Jan 29, 2019 at 10:38pm
[4 replies] Last: Of course it runs for ever. You NEVER CHANGE THE VALUE OF i. Just use... (by lastchance)
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by Tduck
Segfault upon compilation
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| My last question was far too wordy and I tried using an entire program to describe my problem. I have since made my issue into 40 lines, namely because I fixed... |
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Jan 29, 2019 at 10:03pm
[7 replies] Last: Oh. Right, arrays start at 0. I guess that kind of flew to the back ... (by Tduck)
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| Address boundary error, while reading a file |
| hi every I received a bug when I reading a file. I want to read a file, which more than (1 << 17) lines. The file is somehow like that : 1|2|3|4|.... 1|2|3|4|..... |
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Jan 29, 2019 at 9:36pm
[11 replies] Last: What I do now, is only having one vector, resize or reserve at... (by CakeByTheOcean)
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by lizan0a
Fraction Class
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| I need some guidance and constructive feedback on how to get my code to execute adding, subtraction, multiplication, division. I have created overloaded functio... |
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Jan 29, 2019 at 9:23pm
[7 replies] Last: @Granado Wow that was wonderful. Thank you for sticking around to help... (by lizan0a)
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by inf2405
Wrong binary expression with double
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| Hi :) I am trying to implement a numerical approximation, but first I need to define the function and its first derivative. This is my code for the first der... |
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Jan 29, 2019 at 8:52pm
[2 replies] Last: double y=-(50*x)/(((25*x*x)+1)^2); ______________________________^ ... (by AbstractionAnon)
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| Best way to retrieve multiple variables from nested objects for other object? |
| I want to reach into an object, which is nested in other objects, and retrieve data to easily pass to another object. Please see the code below for a brief outl... |
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Jan 29, 2019 at 5:45pm
[12 replies] Last: Interesting. I'll practice with some examples from that link and see i... (by closed account Ezyq4iN6)
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by Bopaki
Help me display the total volumes of Box1 & Box3
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| Line 87 and 88 calculates the sum of two volumes Box1 + Box2. This is what I get when I try to display their sum: Volume of Box1 : 210 Volume of Box2 : 1560 ... |
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Jan 29, 2019 at 4:42pm
[2 replies] Last: Hello Bopaki, You have been around long enough to know not to use the... (by Handy Andy)
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by Bopaki
I do not know how to work with:String::String(char const*)
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| I get this error when compiling my program: undefined reference to `String::String(char const*) #include<cstring> #include<iostream> #include<casser... |
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Jan 29, 2019 at 3:16pm
[8 replies] Last: Your constructors look fine. You have some other problems though. Li... (by AbstractionAnon)
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by MrGreenz
Homework help
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| // delete |
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Jan 29, 2019 at 1:41pm
[1 reply] : And? What's your question? What, exactly, do you need help with? (by MikeyBoy)
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by Bopaki
How can I display the sum of object1 and object2
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| I get this output when I try to add two objects: Volume of Box1 : 210 Volume of Box2 : 1560 Volume of Box3 : 10395 The sum of Box1 & Box2 = 0 Process r... |
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Jan 29, 2019 at 10:20am
[4 replies] Last: Okay thank you everybody. You are both correct. The answer of 5400 is ... (by Bopaki)
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by denwisi
diodecalculations
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| I am new to C++ and have this program that needs to solve the equation print the results all in a nice way to read it. I got it running but I am not able to mak... |
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Jan 29, 2019 at 9:16am
[5 replies] Last: @denwisi, I don't think you understand the problem - and you need to d... (by lastchance)
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by gibsonj338
Pythagoras Theorem program
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| Two cars A and B leave an intersection at the same time. Car A travels west at an average speed of x miles per hour and car B travels south at an average speed... |
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Jan 29, 2019 at 8:13am
[2 replies] Last: As keskiverto mentioned: You calculate the formula before the variab... (by coder777)
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by DrogHead
Image Bitmap not showing
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| So, I was experimenting with Windows Applications, but when I try to diaplay an image the program compiles but the image does't show up. The file "logo.bmp" is... |
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Jan 29, 2019 at 7:21am
[4 replies] Last: I think the problem is in the path to the file What makes you think s... (by coder777)
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by bzarr
Only the first two cins are processing and then the program stops.
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| ofstream outFile; string student1, student2, student3; int id1, id2, id3; outFile.open("names.txt"); cout<<"Please provide your first, and last na... |
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Jan 29, 2019 at 12:35am
[1 reply] : cin and getline don't play nice sometimes. I would just use getline f... (by jonnin)
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by sgill1998
Replacing a substring with a string
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| I need to replace a substring with a string. This is what it says to do:Command line tool: You are to develop a program that will change all occurances of on... |
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Jan 29, 2019 at 12:30am
[7 replies] Last: SEP field. Im outta here! If you use it, do make sure you understand... (by jonnin)
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by colton96
If else problems or something else i'm lost
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| I posted about this last night however a new problem has happened. I want the code to be able to understand when i enter a lower case letter that it goes in the... |
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Jan 28, 2019 at 11:08pm
[4 replies] Last: it is just cout. your program has "using namespace std". If you don'... (by jonnin)
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by Thormind
Moving an ASCII character left or right on the console when a or d are pressed
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| I have been trying to find a solution but nothing works. My code is very simple. Using getch() in a loop, when 'a' is pressed move "*****" left. When d is press... |
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Jan 28, 2019 at 7:30pm
[5 replies] Last: sleep and Sleep are different as well, or were ... (by jonnin)
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by Tduck
Ncurses output glitches and becomes invisible
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| A general question about NCURSES: How do you keep the screen properly updated? My game requires precise timing and if the player cannot see what they ne... |
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Jan 28, 2019 at 5:56pm
[no replies]
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by e4777
Population Growth C++ program
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| I got the hardest school assignment out of the whole class and we have started 2 weeks ago only. I need your guys help to make it out alive. I have some knowled... |
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Jan 28, 2019 at 4:51pm
[15 replies] Last: Try what? (by Grime)
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by emilo0212
Plotting math functions (quadratic functions) in C++11 on Ubuntu using ImGui
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| I'm trying to plot a math function (specifically a quadratic function) using ImGUI, and was wondering where I should start from? I'm trying to achieve somethin... |
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Jan 28, 2019 at 4:31pm
[15 replies] Last: Bingo! I think there are much better GUIs for use with C++ if you are... (by lastchance)
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