please wait
|
by leo2008
Need urgent help with C++ solution
|
| I am trying to solve this problem in C++. JAVA code is given in the below link, but I don't understand JAVA. Need to store and check if total of any 3 elements ... |
|
Mar 6, 2022 at 11:27am
[13 replies] Last: Thanks everyone for all your valuable inputs. (by leo2008)
|
|
by frek
Unit test and performance measurement
|
| Hi all, 1) Is there any (free) tool to measure code performance or time complexity of it on Visual Studio 2022, please? 2) Among GUnit and CPPUnit, which d... |
|
Mar 6, 2022 at 2:31am
[2 replies] Last: For unit test, I really like CATCH2 and I use it in every my projects. (by wqking)
|
|
by Cplusc
problem when moving from 32 to 64 platform (1,2,3,4)
|
| I'm having difficulties when changing from 32 to 64. every single line of the code gives me an error. for example the following function works well in 32 but fo... |
|
Mar 5, 2022 at 3:43pm
[60 replies] Last: @TheIdeasMan, That code example you used from cppreference. https://... (by deleted account xyzzy)
|
|
by helios
Weird name resolution
|
| Given: class Entry{ protected: virtual void to_DirectoryEntry(DirectoryEntry &) const = 0; public: DirectoryEntry to_DirectoryEntry() const; }; class... |
|
Mar 5, 2022 at 2:39pm
[3 replies] Last: Ugh. So dumb. Yeah, now I remember. I've done this at least once befor... (by helios)
|
|
by pejvak
make a template class a friend of two class
|
| Imagine we have three template classes. The second class `B` should access private member of class `A` and class `C` should access private members of both class... |
|
Mar 5, 2022 at 11:38am
[5 replies] Last: It seemed to work when I tried... Please post an example of accessing ... (by Peter87)
|
|
by DeezyM89
How Do I Fix comparison between signed and unsigned integer expressions
|
| I get this warning when i try to run my program: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] This is the part... |
|
Mar 5, 2022 at 8:47am
[3 replies] Last: The problem is that comparisons with signed and unsigned integers (whe... (by Peter87)
|
|
by dorito200
Overloading Output for a pointer to an array in a class
|
| Hello all, I have been trying to write a class that can handle bigInts (up to 40 digits long stored in a dynamic array of shorts) but I am having trouble overl... |
|
Mar 5, 2022 at 1:09am
[1 reply] : Addition is usually implemented as N carry = 0; for i = (least signi... (by helios)
|
|
by DeezyM89
Is there an issue in my Code
|
| I am having an issue with some parts of my code: #include <iostream> #include<cmath> using namespace std; int main() { //DATA ABSTRACTION: ... |
|
Mar 4, 2022 at 11:47pm
[5 replies] Last: ok i fixed the issue in line 18. #include <iostream> #include<cmath... (by DeezyM89)
|
|
by ms84coder
Char array to int avoiding dynamic memory allocation
|
| Hi, I realise that the topic of char to int has been covered quite extensively in a number of posts but I can't see anything which discusses the conversion of ... |
|
Mar 4, 2022 at 11:23pm
[1 reply] : Consider std::from_chars https://en.cppreference.com/w/cpp/utility/f... (by mbozzi)
|
|
by AlexX065
using coroutines to solve stack over flow due to deep recursive function call
|
| hi, is there any one who has experience/advices on if and how we can solve the stack overflow issue due to deep recursive function call using coroutines? is ... |
|
Mar 4, 2022 at 9:39pm
[4 replies] Last: Some other things to try: - Increase the stack size. This is usually a... (by dhayden)
|
|
by JB71
Random Number Generator (1,2,3)
|
| Hello all, I am a total noob when it comes to programming, and I am stuck on a problem that I have worked on for a few hours now. Basically, I need to write a C... |
|
Mar 4, 2022 at 3:16pm
[46 replies] Last: Interestingly while mucking around with VS, doing some testing with <r... (by deleted account xyzzy)
|
|
by frek
Volatile and threads
|
| Hi all, My first question is how to recognize a section in the project's code in which some variable(s) may be optimized away by the compiler that we don't wis... |
|
Mar 4, 2022 at 5:28am
[6 replies] Last: @helios. Thank you, two great points! (Especially portability). Thank ... (by frek)
|
|
by Cambalinho
how change the Pointer size inside the function?
|
| see these function that have an argument Pointer: void GetDIBs(BYTE *Pixels) { int dwLen = bmi.bmiHeader.biWidth *bmi.bmiHeader.biHeight * (BitM... |
|
Mar 3, 2022 at 9:13pm
[5 replies] Last: thank you so much. works fine. and i tested that must be: "pointer adr... (by Cambalinho)
|
|
by Axon727
blank
|
| blank |
|
Mar 3, 2022 at 7:06pm
[4 replies] Last: Your're genuinely a life-savior @mbozzi, thank you, your credentials a... (by Axon727)
|
|
by algmaster
Task
|
| Hi, I'd like you to help me with my school task. I've got some code, but it's too slow. Here it is: #include <iostream> using namespace std; bool T ; int mai... |
|
Mar 3, 2022 at 6:02pm
[10 replies] Last: Thanks! It works. Yeah, the problem with my code was that I didn't mak... (by algmaster)
|
|
by JUANDENT
How to find how many instances of templates are created upon compilation
|
| Hi, I have this code and want to find how many instances of templates are generated: template<size_t A> struct Wrap_ { template<size_t ID, typen... |
|
Mar 3, 2022 at 1:43pm
[2 replies] Last: C++ Insights (after fixing the compile time errors) can show template ... (by JLBorges)
|
|
by wqking
ANN: accessorpp -- open source C++ library for data binding and property
|
| ANN: accessorpp -- open source C++ library for data binding and property https://github.com/wqking/accessorpp I appreciate if you can give your opinions, revi... |
|
Mar 3, 2022 at 1:07pm
[4 replies] Last: What about the castings on line 16/18 in 'Customized getter/setter' a... (by wqking)
|
|
by Cambalinho
how create a GDIPlus Image from HBITMAP?
|
| how create a GDIPlus Image from HBITMAP? void NewImage(int Width, int Height) { if(ImageWidth==0) Dispose(); ImageWidth=Width; ... |
|
Mar 3, 2022 at 9:54am
[1 reply] : the problem is the Pallet? Maybe not. The problem might be line 15. T... (by coder777)
|
|
by dorito200
Overloading Output for a pointer to an array in a class
|
| Hey yall, so I have once again stumbled upon an overloading problem. For this class project, we pretty much have to make a class for a type that handles extra l... |
|
Mar 3, 2022 at 4:52am
[4 replies] Last: numSize is a member of my class but it had to be static and initializ... (by AbstractionAnon)
|
|
by Cambalinho
how get pixels colors from HDC?
|
| how get pixels colors from HDC? void GetPixelsFromHDC(HDC Destination, int *pixels) { //Get the HBITMAP from HDC: HBITMAP hBitmap = (HBITMAP)GetCurrent... |
|
Mar 2, 2022 at 9:30pm
[16 replies] Last: the answer is YES. thanks for all (by Cambalinho)
|