Beginners

by admin
Welcome -- read before posting!
 
Welcome to the beginner's forum in C++.com! In this forum, users can to talk about any topic relate...
[2 replies] Last: How To Answer Questions in a Helpful Way Be gentle. Problem-relat... (by admin)
Console Closing Down (1,2,3,4,5,6,7)
 
Hi, i am new to C++ and have just written my "Hello World" program. It worked all right but the cons...
[120 replies] Last: It displayed "Hello world" after you pressed Enter. int c is a ... (by Duthomhas)
Template errors creating a map<int,std::thread> using map::emplace
 
I created a class to try out std::lock_guard. The first function, UnsafeExample compiles and run...
[2 replies] Last: Thanks Peter. That was it. 1. std::ref(coutMutex) was necessary, for ... (by ElusiveTau)
How to initialize base class member with subclass member?
 
I'm working with code where CustomThreadApi is not modifiable. CustomThreadApi has a ctor that tak...
[2 replies] Last: baseClassBuff is unnecessary. I can just reuse MyThreadClass.Name .... (by ElusiveTau)
Removing double quotes from Cstring
 
Hi, sorry its late... I am trying to do a few things with strings. - I need to remove double quot...
[8 replies] Last: You only get double quotes if some component of the filename path has ... (by Duthomhas)
Are these ternary operators the same?
 
Hello, What are the differences between these? #include <iostream> int main() { ...
[8 replies] Last: I think some chips have a way to test a single bit but in general, I d... (by jonnin)
by Dazzer
How to start with audio plugin GUI design?
 
Hi folks, I'm interested in learning C++ for audio plugin design, but I'm a bit unusual in that i...
[1 reply] : we used to call it RAD (rapid application development) and I am not su... (by jonnin)
How to get program to distribute input by alternating between two, multi-line string inputs
 
Hello I need to get this output: 1) type a: 1a type b: 1b 2) type a: 2a type b...
[5 replies] Last: You can do it with just 1 loop to read the data. Consider: #include... (by seeplus)
zero dynamic memory allocation
 
So today I was reviewing teacher code that lets student input the number of blocks of memory to allo...
[4 replies] Last: Well it was written by a teacher. I need say no more..... (by seeplus)
Why its showing wrong ?
 
Hi there, I am trying to run a code what school going student can do ! But not sure what kind of m...
[6 replies] Last: Just because you can doesn't mean you should. :) do-while without... (by seeplus)
Lambda Expression: Specifying "this" in the capture clause
 
I'm reading an article on how to use lambda expressions and have some questions: 1. What is mean...
[6 replies] Last: @Peter87, I am cognizant of the how and why of the differences in lamb... (by deleted account xyzzy)
Specifying a file address?
 
Hi, I am getting an error when trying to specify a file path for my program. It says "failed to ope...
[8 replies] Last: seeplus already mentioned about the <format> library in C++20, a maj... (by deleted account xyzzy)
by zzzhhh
Why const literal class is not a constexpr even if initialized from a constexpr?
 
class test{ public: constexpr test(){} constexpr int operator+(const test& rhs) const...
[4 replies] Last: Good point. I suppose you could remove x. I'm not sure what the point ... (by DizzyDon)
Unhandled Exception: System.AccessViolationException: Attempted to read or write protected memory. This is... (1,2)
 
Hi, I am getting an error when I run my program. the error is... Unhandled Exception: Syste...
[26 replies] Last: you can choose to hunt down some of the offending memory hogs and mov... (by seeplus)
Bit set function not working correctly?
 
Good day, I don't know how to ask this as I don't totally understand things but I'm having an iss...
[12 replies] Last: [quote=Cyclone]My code is messy and had left over variables from testi... (by TheIdeasMan)
Git problem
 
Hi. I am trying to get out a confused git situation. I can't really remember how I got there, but I...
[7 replies] Last: Thanks for the replays I kind of solved the issue (by Jonathan100)
by Mif
C programming. Using uninitialized memory warning.
 
I keep getting this warning even I initialize the memory, then I double-check the code paths to ensu...
[17 replies] Last: I found a lot of info and a few C implementations for the A* Search al... (by deleted account xyzzy)
by cgm2k7
Reading files with fread() in chunks.
 
Good morning everyone! I would like to ask for a little help here on the forum. It's like this. I ...
[18 replies] Last: Just wait for when you have EVERY post reported, including ones that p... (by deleted account xyzzy)
by demhat
function declaration with MACROs
 
hi guys as I know function declarations are like this: void ClearBackground(Color color); ...
[7 replies] Last: And, for one question within the OP: Yes, there can be more than just ... (by keskiverto)
MPI runtime weird example
 
Hi guys, I have a weird mpi example where I don't understand the used runtimes. #include <iostrea...
[1 reply] : its hard to know what is really going on with caches, other processes,... (by jonnin)
  Archived months: [oct2024]