please wait
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by Krakenvangh
Array
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| Hello, I am a bit lost. I was given to try and do this program but I am not really familiar with arrays so I am in need of big help. At the moment I am trying t... |
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Nov 28, 2022 at 7:24pm
[5 replies] Last: Thank you all for your help! I think I got the hang of it and actually... (by Krakenvangh)
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by Jonathan100
callback function clarification
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| Hi. I didn't understand the concept and core uses of callback function(Except making the code more concise and readable). i understand that this is a function ... |
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Nov 28, 2022 at 12:05pm
[3 replies] Last: but why not to simply call A inside B? The point of a callback, is ... (by MikeyBoy)
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by Cyclone
How to write png file from scratch?
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| Hi, I want to write a.png file from scratch. For example a red 8 x 8 pixel square. Do I need a special library? Thanks for your input. |
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Nov 26, 2022 at 5:58am
[15 replies] Last: I turned the above into a complete sample program. This is my first t... (by mbozzi)
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by cplus2303
Input values in matrix
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| how can I manually input values in the matrix like the given matrix below in the code? #include <iostream> #include <vector> #include <unordered_map> ... |
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Nov 25, 2022 at 2:00am
[2 replies] Last: thank you so much sir!! :) (by cplus2303)
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by Mobo01
fixed length data types
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| I've read that the size of data types like int might differ between systems. My first question is, can someone provide an example of what goes wrong when a pro... |
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Nov 23, 2022 at 2:31pm
[8 replies] Last: Of course you chances of running into a Cray are pretty small unless ... (by seeplus)
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by BigNibs
How would I fix this compiler error
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| Im declaring a "College" object like this College DVC("Diablo Valley College"); And its giving me a compiler error, How would I fix this? #incl... |
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Nov 22, 2022 at 9:51pm
[6 replies] Last: You could declare the function: College(string collegeName, int initi... (by keskiverto)
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by ElusiveTau
What does the "n" argument of std::string::find_first_of(cstr, pos, n) mean?
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| As I understand it, string::find_first_of looks though a string for any character found in cstr in the interval [pos, pos+n) . So in the code below, the ... |
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Nov 22, 2022 at 3:43pm
[4 replies] Last: [quote=ElusiveTau]I think the documentation and example code on cppref... (by keskiverto)
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by bkelly13
Initialize union array
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| I keep getting errors on post. I will build the question one section at a time doing edits after adding each section. If you read this, please be patient. Wi... |
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Nov 21, 2022 at 4:32pm
[9 replies] Last: Its best not as a union. These responses were to this ask: Second: J... (by jonnin)
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by longberns
Reading test data from file
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| Hi, Please help me with this. I have to write a program that reads test data from a file. Scenario: Each test case starts with LOCATE and ends with Output.... |
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Nov 19, 2022 at 4:47pm
[9 replies] Last: #include <iostream> #include <fstream> #include <string> #include <s... (by seeplus)
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by Pogramming
unresolved external symbol referenced in function.
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| Hello, I'm trying to implement a template in to my code so I can use multiple linked lists, all with different data types. An error has appeared in my source.cp... |
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Nov 19, 2022 at 7:18am
[19 replies] Last: #include <iostream> #include <string> template < typename T > struct... (by JLBorges)
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by bkelly13
Not found in Visual Studio
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| Windows 11, Visual Studio 2019, C++ I am trying to implement code for RIPEMD-160. The best starter I have managed to discover is from project bitcoin-tool-m... |
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Nov 17, 2022 at 4:44pm
[2 replies] Last: Wow! Did not expect a reply so soon. Did not expect anything like tha... (by bkelly13)
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by cplus2303
Algorithm Analysis
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| A program that raises a number x to an arbitrary nonnegative integer, n. How can I make a program using this pseudocode that can be used for theoretical, experi... |
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Nov 16, 2022 at 8:47am
[1 reply] : #include <iostream> double brpower( double x, unsigned n ) { if (... (by lastchance)
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by bydrachen
Time Complexity of a Recursive Function with a Reducing Parameter
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| What's the big O notation and how can I calculate it? I'm new to this. Is there a general rule of this? int func (int n, int m) { if (n<1) ... |
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Nov 15, 2022 at 10:40pm
[2 replies] Last: recursion is just a type of loop, you treat it the same way. The pain... (by jonnin)
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by Jonathan100
32 bit signed integer
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| Hi. I have get_massege function which needs to return 32 bit integer. So i thought about using u32. Then i realized i have some ERROR CODEs which need to ... |
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Nov 14, 2022 at 4:06pm
[13 replies] Last: Thanks :)) (by Jonathan100)
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by BigNibs
How on earth are these undefined
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| I literally initialized them in main, and they dont get called until they are initialized so I don't know why I am getting an error, also fyi my program is not ... |
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Nov 14, 2022 at 12:06pm
[4 replies] Last: To expand on what others have said: lengthUp and lengthDown are de... (by MikeyBoy)
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by ElusiveTau
How to structure and document a project to get design help?
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| I haven't designed many programs and I think a logging library would make for a good project: 1. It can start out simple and grow as I need more appenders. ... |
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Nov 14, 2022 at 3:29am
[1 reply] : Definitely starting a github page is recommended; to distribute your c... (by newbieg)
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by soapbar
Binary Search Tree
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| Read the first line of code as a key Ignore it Read the following as a binary search tree main.cpp Node *tree; Node *root; char str ; int ... |
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Nov 13, 2022 at 5:00pm
[4 replies] Last: What's the key and what's the data here? The input file appears to ha... (by dhayden)
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by Ch1156
How do I get my map to work in my class for my inventory system?
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| So Im just testing out how to use maps for an inventory system and It seems like theres a problem with using a class as an argument, what am i doing wrong? I wr... |
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Nov 13, 2022 at 12:40pm
[7 replies] Last: Ah ok, its supposed to be standalone, thats what was messing me up, so... (by Ch1156)
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by kakaducsy
Function pointer error
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| I have 2 functions, callFunc is a class member testFunc isn't a class member I can bind a function pointer to testFunc but I cannot do that for callFunc (lin... |
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Nov 12, 2022 at 4:42pm
[3 replies] Last: Have considered std::function? #include <functional> struct Math {... (by kbw)
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by klebermo
Copy data from 2D array to 1D array (5 times bigger)
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| I am trying copy the data from a 2D array with height*width elements, to a 1D array with 5*height*width elements. Right now, I got this code: float * Netp... |
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Nov 10, 2022 at 10:40pm
[5 replies] Last: Still the same error. What I think is happening it's somehow the varia... (by klebermo)
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