please wait
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by mathman54
Not sure if I got this right
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| Hi, Here is my assignment question: C++ Program Write a program that adds the positive odd numbers you enter from the keyboard while ignoring the even n... |
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Oct 31, 2023 at 12:56am
[17 replies] Last: Oh, something to remember. You know what the code is supposed to do... (by deleted account xyzzy)
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by e0ne199
question about hand-over-hand fine-grained locking mechanism
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| hello everyone...probably this is my first post here so CMIIW...btw currently I have a problem regarding locking implementation on sorted singly-linked list. So... |
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Oct 29, 2023 at 12:20pm
[12 replies] Last: node<T>* succ = first; std::unique_lock<std::mutex> current... (by seeplus)
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by mathman54
Stuck again and need help
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| I cannot get the code button to work. HI, This is my assignment. <You are writing a program that will display names (first and last) in a column. The max... |
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Oct 29, 2023 at 10:53am
[9 replies] Last: So I think that I need setw(30) With cout, setw() affects what come... (by seeplus)
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by mathman54
I'm stuck with an odd error message
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| Here is my code there is not much to it. I am supposed to write some code to go from 1 to 10 and each time I add 3 to the total. I start at 7. #include <iost... |
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Oct 27, 2023 at 8:36pm
[8 replies] Last: The code as originally posted only while looped on total = seven + 3;... (by deleted account xyzzy)
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by seeplus
Lock
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| I have an issue which for simplicity comes down to this: void process(int n) { // Do processing of n if not already processing same value of n /... |
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Oct 27, 2023 at 10:15am
[6 replies] Last: If you want to stay cross-platform and still support Win32, have a loo... (by kigar64551)
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by Cplusc
Unix transcript of build event
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| I've successfully developed a C++ code using Visual Studio on Windows, and my current task involves transitioning it to a Unix-based supercluster. The complicat... |
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Oct 21, 2023 at 4:30pm
[9 replies] Last: POSIX API (i.e. <unistd.h>), which I wouldn't call "non-standard" I... (by seeplus)
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by mathman54
I'm in school and stuck trying to go from a double to an integer
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| Hi All, I am taking a course in c++ and doing an assignment. I have to post the whole code I have right now. Here is the code I am trying to go from a dou... |
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Oct 20, 2023 at 3:08pm
[7 replies] Last: @mathman54. Please don't post line numbers as part of the code. It mak... (by seeplus)
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by seeplus
Format woes
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| int main() { std::cout << std::format("{:< 8f}", .111111); } displays 0.111111 but I need .111111 (no initial 0). Is this possible just using forma... |
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Oct 18, 2023 at 10:28pm
[9 replies] Last: std::cout << s.substr(*s.c_str() == '0'); (by mbozzi)
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by JUANDENT
adding chrono::months to a sys_days
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| Trying to add 1 month to today does not yield a sys_days!!! chrono::sys_days today = getToday(); auto next_month = today + chrono::months{ 1 }; nex... |
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Oct 18, 2023 at 8:26am
[4 replies] Last: Trying to add 1 month to today does not yield a sys_days!!! Well my... (by seeplus)
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by helios
Apparently this is valid
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| I just noticed I had this somewhere without realizing. void foo(); void bar(){ return foo(); } I guess I can see there are cases where it could... |
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Oct 16, 2023 at 11:46am
[1 reply] : Definitely just *looks* like an unintentional bug from a programmer, a... (by Ganado)
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by Cplusc
Line box intersection
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| I am casting a line from any arbitrary point in a 3D space and I want to check if the line intersect with the box or not. I found the code for this here https:/... |
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Oct 16, 2023 at 3:58am
[1 reply] : Now is a great time to do some debugging, with a debugger :+) Actuall... (by TheIdeasMan)
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| Calling C++ method pointers |
| I'm having a problem trying to a C++ method pointer. There' lots of examples on the net of using simple C function pointers, but working examples of passing... |
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Oct 12, 2023 at 6:14pm
[1 reply] : Line 53 should be: if (! (this->*fp)(str)) // Do the... (by mbozzi)
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by JUANDENT
literal for one day
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| Hi, I have: time_point<system_clock> tp; tp += days{ 1 } + 23h + 55min; // days{1} + hours{23} + minutes{55}; I tried to use the literal for ... |
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Oct 12, 2023 at 2:02pm
[5 replies] Last: @George P day (of month) exists but day s (duration) does not exist ... (by coder777)
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by Cplusc
MPI Data Type
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| I am trying to broadcast a used-defined data(boundingbox) but unfortunately, the data differ in different processors. here is the code: void Geometry::gener... |
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Oct 10, 2023 at 8:51pm
[2 replies] Last: Thanks, you are right. (by Cplusc)
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by adam2016
64 bit architecture and programming
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| Hi guys, So I'm not sure if this belongs in the longue, but it does pertain to programming and potentially to C++(maybe depending on the compiler?) I'm curren... |
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Oct 9, 2023 at 2:58pm
[14 replies] Last: Right, well in that case an example of working with the branch predi... (by Ganado)
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by Runsva
Call Function in DLL from C++ Program?
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| I'm attempting to call a function inside a shared library DLL file using a C++ program. I'm using C++ 17 for all files in question. The DLL file in question ... |
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Oct 9, 2023 at 8:44am
[13 replies] Last: The difference between _cdecl and _stdcall is going to determine which... (by seeplus)
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by Runsva
Include Mutex when building with G++ via Command Prompt?
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| I want to compile a C++ program that includes & uses the mutex library, with G++ via the Command Prompt on a Windows system. I'm attempting to compile with C++ ... |
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Oct 8, 2023 at 3:15pm
[3 replies] Last: Looking to compile on a Windows system there are several newer options... (by deleted account xyzzy)
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by JUANDENT
When to choose Args&& instead of Args?
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| Hi, I have a simple question. When do we choose this implementation: template<class... Args> internal::multi_order_by_t<Args...> multi_order_by(Args&&... |
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Oct 7, 2023 at 9:01am
[2 replies] Last: You use std::forward with && for perfect forwarding. As the type of Ar... (by seeplus)
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by JUANDENT
how to send output to console when using catch2 for C++
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| Hi, I have a console project that links with catch2 libraries but I can't see the output in the console!! How can I see it ? Regards, Juan Dent |
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Oct 6, 2023 at 6:36pm
[no replies]
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by Runsva
Build Shared Library File from String of Code?
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| Suppose I have a C++ code excerpt literal saved in a std::string variable, as such: #include <iostream> int main() { std::string code = ""; code +... |
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Oct 5, 2023 at 8:20am
[2 replies] Last: You can not just "save" the C/C++ code to a DLL file. That is becaus... (by kigar64551)
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