3,010 questions
0
votes
1
answer
48
views
How to set up a java module to run directly (not via a .jar file) without having to specify a main class
How does one set up a java program that can be run as a module simply by doing java -m mymodule?
I know this is possible because I have seen it in, e.g., the jwebserver documentation; you can run this ...
0
votes
1
answer
49
views
invalid command name 'main:app' when I execute "uvicorn main:app --reload" [duplicate]
When I try to execute the command uvicorn main:app --reloadfor start my local server, the VSCode terminal throws the error invalid command name 'main:app'. The code below imports a variable from the ...
-1
votes
1
answer
79
views
Why am I getting error: "C2731: 'wWinMain' : function cannot be overloaded"?
I am getting this error in my program :
error C2731: 'wWinMain' : function cannot be overloaded
at this line:
int APIENTRY wWinMain(_In_ HINSTANCE hInst, _In_opt_ HINSTANCE hprevInst, _In_ LPCWSTR ...
0
votes
0
answers
32
views
How to resolve "Entry point Not Found" in release mode
I am developing one DLL in VC++ and its working while testing with my Test.exe app in debug mode. But while running Test.exe in release mode I am getting "Entry point Not Found" error
While ...
0
votes
1
answer
91
views
Why the name of the entry point in top level statements is "<Main>$" and not "Main"?
When we use top level statements in C# 9 (and later), where we can omit static void Main(string[] args) and internal class Program, our program does not begin at the Main method; but rather, <Main&...
0
votes
0
answers
57
views
Best approach for displaying license activation dialog
I have a text editor, now I'm implementing licensing support. Licenses are managed on a third-party server (SAAS).
Desired Flow
The user opens the editor.
If they have no license (first-time open):
...
-1
votes
1
answer
62
views
Exiting back to main menu
I am currently writing a basic program with multiple menus. I have a function called menu1(), which is called in main and handles the first set of menu options. My issue I am having is being able to ...
0
votes
0
answers
62
views
Python GUI runs separate scripts through subprocess calls, but doesn't work when packaged as .exe
I have an interface I've created called interface.py that runs a script based on the press of a button...
def submit_action(selected_item):
values = list(item_to_value[selected_item])
...
-1
votes
1
answer
99
views
Does every translation unit need to have a main function? [closed]
I have been reading the 2nd edition of A Tour of C++ by Bjarne Stroustroup and in section 3.2 on Separate Compilation, he mentions translation units.
A .cpp file that is compiled by itself (...
0
votes
1
answer
83
views
Should Portable Types Be Used in the Declaration of a Main Function? (C11)
This question came to me last night, and I couldn't find a definitive answer in my brief surf of Google. Should (or could) I use portable types (i.e int32_t) in the declaration of my program's main ...
1
vote
1
answer
76
views
Is it a good practice to import functions from __main__.py?
My __main__.py module for my package is defined like so (simplified):
def main():
... # Start my GUI
if __name__ == "__main__":
main()
It is also a package, with an __init__.py as ...
1
vote
1
answer
62
views
Scala Future strange behavior
What's wrong with this code? Why I can see only one output? What returns futureUserByName function? onComplete doesn't work for it as well. It must be just simple Future, but it doesn't work.
import ...
0
votes
1
answer
138
views
In C programming language, can the main function begin with main() instead of int main()? [duplicate]
I'm reading the "C Programming Language, 2nd edition" by Dennis Ritchie and Brian W.Kernighan. On page 38, the main body of the program begins with main() instead of int main(), I believe ...
-2
votes
2
answers
61
views
LINK2001,and LINK1120 errors visual studio 2022 CLR empty project
i am currently working on a web browser on visual studio 2022 and every time I execute the program these errors show up LINK2001 unresolved external symbol main and LINK1120 1 unresolved externals.
So ...
30
votes
4
answers
5k
views
How is Leetcode able to compile a C++ program without me writing a 'main()' function?
As far as I know, a C++ compiler looks for a function called main() in order to know where the program should start.
But when I use the Leetcode site, the expected solution's code has no main function....
1
vote
1
answer
62
views
Where am I initializing my main class twice?
I'm receiving the error Plugin already initialized!. I already know that this means that I'm initializing my main class twice and Bukkit/Spigot doesn't like this.
I cannot seem to figure out where I'm ...
0
votes
0
answers
40
views
Avoiding MSBuild version with GitHub action
Currently in my github actions i am using
" uses: microsoft/setup-msbuild@v1"
instead of updating this to newest version i was wondering if it's good idea to use @main insted to avoid ...
0
votes
0
answers
61
views
WinForms - Call method in Threading, which calls method in main thread at the end of it
I've seen examples where the thread started in the WinForms class, using Threading.Start(), only calls a helper method defined in that class.
Is it possible to use Threading to first invoke a method ...
0
votes
1
answer
275
views
In IntelliJ(2024.1.1) with the Scala Plugin(2024.1.20), Main.main is Failing with "Could not find or load main class org.public_domain.main"
UPDATE:
Nestled deep within the large accepted answer is the way to fix this; i.e. rename the method from main to something else, or rename the object Main to something else.
The conflict is a case ...
0
votes
1
answer
75
views
Compatible types for the main function
From ISO/IEC 9899:2024, 5.1.2.3.2, Program startup:
The function called at program startup is named main. The
implementation declares no prototype for this function. It shall be
defined with a return ...
0
votes
0
answers
34
views
smina.exe Entry Point Not Found
I met an error when I tried to use Smina for docking. I installed Smina used order: conda install conda-forge::smina
But it occurs this error when I run Smina:
The Procedure entry point ?sync_flush@...
0
votes
2
answers
25
views
Android - can i add EditText value to the android:text row of a TextView in activity_main and have it concatenate?
<EditText
android:id="@+id/et_name"
android:layout_width="match_parent"
android:layout_height="48dp"
android:layout_margin="20dp"
android:...
1
vote
0
answers
169
views
Method 'main()' does not have signature 'public static void main(String[])'. The program cannot be started while main has this problem
When trying to complete a task ("Create a Dog class containing two String type fields: name and says. In the method
main() create two Dog objects with different names (spot and scruffy) and ...
0
votes
1
answer
2k
views
dotnet new console --use-program-main does not work
when you are in VS Code you start a new console, the program code generated has the new format where there is no main() section as in the old days. I like have the main() section. I should be able ...
2
votes
3
answers
72
views
Slot Game in Py
I am building a very basic slot machine in python. This is the first python code I am doing, and am following a ytb tutorial. Somehow I am not getting the right result in terminal when I am testing ...
0
votes
1
answer
111
views
How to fix error and what causes: Error: Main method is not static in class
I am getting this error:
Error: Main method is not static in class oracle.Execution$, please define the main method as:
public static void main(String[] args)
When I run the command:
java -jar ...
-1
votes
1
answer
194
views
Unable to call main function in VS 2022
In VS 2022, the entry point of the code public static void main no longer exist.
I was trying to implement a simple delegate but no output is shown on the console:
using System;
namespace ConsoleApp1
...
0
votes
2
answers
478
views
Maven java.lang.ClassNotFoundException: Could not find or load main class
I have a problem with my Maven project. The program was already running without any problem but now I can't start it anymore. It is important that the user can run this application by just double ...
0
votes
0
answers
68
views
Back to main menu button
Please help me with creating button to main menu in different plugins. For now I just have created 1 in on plugin called O Daily quests, because there was that button, and I just change way to main ...
0
votes
0
answers
77
views
Zero argument count in main()? [duplicate]
I want to design an application that will run as GUI (wxWidgets) if there are zero arguments or parameters passed to main(). I can't get rid of command line (console) feature because the application ...
0
votes
0
answers
30
views
When I inspect Amazon I see Amazon wrap header, main and footer tags inside div. Why? If we have semantics tags so why use div to wrap these things?
When I inspect Amazon I see Amazon wrap header, main and footer tags inside div. Why? If we have semantics tags so why use div to wrap these things? And can we use semantic tag without wrap inside ...
-2
votes
1
answer
343
views
Visual Studio 2022 CLR Empty Project (.NET Framework) entry point is not working, even after being set
I am trying to run a Windows Form in Microsoft Visual Studio 2022. When I attempt to run the solution I get the following error: "LNK1561 entry point must be defined", which links to this ...
0
votes
0
answers
67
views
Electron renderer not communicating with main process
I have a small html on top of my electron app which has a input. I want to make it so that when i insert a url into it and press enter, url in my second BrowserView changes and loads that website. ...
0
votes
0
answers
21
views
i try to run jar file of game but it is not running showin jni erro has occured
enter image description here
i created jar file of snake game. in eclipse snake game is running properly but after creating jar file it s not running as expected
i am expecting it should run after ...
-5
votes
1
answer
55
views
Why the Main function accepts (string [] args)? [duplicate]
I mean that I don't quite understand why such parameters as string [] and what should be passed into them, if Main is the entry point to the program.
for example:
static void Main(string[] args)
{
...
0
votes
1
answer
52
views
Python main() does not recognize returned value
1- I get this error when I try to print a return value from inside main => " name 'conversion' is not defined "
2- I have some dummy prints to debug my code
def main():
time = input(&...
0
votes
0
answers
163
views
Directly launch SwiftUI Main App in existing UIKit project
I revamp all my view controllers in SwiftUI. But still i am bound to use hostingVC for launching my SwiftUI views from scene delegate like below
let splashVCHostingController = UIHostingController(...
2
votes
2
answers
635
views
How to enable auto-generating main method when creating console application in VS Code in C#
In .NET 6.0, the Main method is simplified by removing and main method. Now it's possible to start writing code directly without it.
But I want to enable it back and don't want to write it by hand ...
1
vote
1
answer
309
views
Open a file with java application on macOS
I have a Java project that I compile both into an exe with launch4j and a mac app with universalJavaApplicationStub. On Windows I can open a file with the exe (right-click→open with) and it will be ...
0
votes
1
answer
1k
views
Problem with "java.lang.reflect.InvocationTargetException"
I am very new to this and I have a problem with this message that I get every time I try to run a program. I've tried a thousand things and I don't know what else to do. If anyone could help me I ...
0
votes
0
answers
252
views
Main.ts for Angular
For Google's Tour of Heroes, I realised that for chapter 3, "Create a feature component", file main.ts has to be modified, for the application to be able to start. Anyway, the contents of ...
0
votes
1
answer
877
views
VB.net BC30738 'Sub Main' is declared more than once in <application> My.MyApplication.Main(args As String())
Solved this issue and posting to help future readers. This happened when switching a Windows Forms App to start with my own Main() instead of a form. After experimenting with many different ways of ...
0
votes
3
answers
327
views
If name main check in Nim
So, If you know Python, you should be familiar with this:
def main():
<your code>
if __name__ == '__main__':
main()
That creates a main function and checks if current files is being ...
1
vote
1
answer
777
views
How to return a string as an error from main()?
Been trying to write a function just to do this.
fn main() -> Result<i32, i32> {
let clargs: Vec<String> = env::args().collect();
// validate command line arguments
if ...
1
vote
1
answer
126
views
Is it true that on a Linux Ubuntu system the main function is called by the _libc_start_main function?
My system : Ubuntu 22.04.3 running on x86_64 CPU.
I have this C program in a file named test.c :
int main(){
long int a = 10;
long int b = 20;
}
I've compiled the file with "gcc test.c -...
0
votes
0
answers
99
views
Get MainWindow Instance WPF
I have some custom extensions, which when i double-click on it, it launch program and every time as i do it, it creates new mainwindow. So i want not create, but update the first mainwindow. I searced ...
0
votes
0
answers
39
views
Below is a screenshot of the Entry Point error I get when I try to load an mp3 file into my script
def load_mp3_16k_mono(filename):
""" Load a WAV file, convert it to a float tensor, resample to 16 kHz single-channel audio. """
res = tfio.audio.AudioIOTensor(...
3
votes
1
answer
104
views
What kind of entity does the Main Class in Java represent? [duplicate]
Whenever we see an introduction to Object Oriented Programming, we commonly come across this explanation, A class is a blueprint of an object, it can be used to represent a real world entity virtually,...
0
votes
1
answer
75
views
What does "args" equal or return in "main" if it has no value, I.E. no args (arguments) were passed when the program was executed
I have this code here:
try {
System.out.print("There are args!: " + args[0]);
} catch (Exception e) {
System.out.print("No args");
}
I am checking if arguments were passed ...
0
votes
1
answer
49
views
CPLEX inserting results to Excel Sheet in main method
I am creating a project where I have one model where one variable is always changing, namely ForecastMultiplier. I need to put the results of each iteration into an excel spreadsheet.
You can find ...