I'm trying to use appsettings.json to store the database connection string to use different strings for build configurations. But, I'm getting this exception: System.InvalidOperationException: A named connection string was used, but the name 'ConnectionStrings:DefaultConnection' was not found in the application's…
I have to rewrite a SQL query to make it work with PostgreSQL. Initially the end of the query was like returning rowid into ? And with this command took my C# variable as a parameter. But PostgreSQL doesn't have…
I have a question about why I'm getting the two problems, this declaration has no storage class or type specifier, and expected a ';' ln 3 col 11, of the code: Main.cpp: #include <iostream> consteval int get_value(){ return 3; }…
When I run this simple program on Linux (Ubuntu): int main() { const char* s = "olé"; std::cout << s << std::endl; } I get: olé Now contrast the same program on Windows: int main() { LPCSTR s = "olé";…
In Microsoft Visual Studio Enterprise 2022 (64-bit) version 17.11.1, I am developing a C# WPF application. I use Resources.resx file for storing string translations in English, and up until recently I was able to successfully generate the Resources.Designer.cs file automatically…
I have my JSON objects in this format: [ { "id": "k002f3d", "usage": { "sent": 0, "recv": 2, "total": 2 } }, { "id": "k641327", "usage": { "sent": 0, "recv": 2, "total": 2 } }, { "id": "k6419b2", "usage": {…
I want to create a flexible signal shape that can be viewed using an oscilloscope by making a program. I am using an array to form the signal, such as {2048, 4026, 2048, 0}, where 2048 represents the flat line…
I'm trying to learn opencv in c++ as i will be required to use it very soon. The problem i'm facing is exactly as the title says: opencv won't open (cv::imread()) any image even though the path is correct. When…
I've hit a wall while trying to do something and I hope someone can help me understand what I'm doing wrong. Here is the situation. I have a partial view with a form in it, and when I submit that…
Using ASP.Net Boilerplate (.net 8), whats the correct way to run the project using CLI on Linux. When listing the projects I get the following: ▶ dotnet sln list Project(s) ---------- src/SimpleTaskSsytem.Application/SimpleTaskSsytem.Application.csproj src/SimpleTaskSsytem.Core/SimpleTaskSsytem.Core.csproj src/SimpleTaskSsytem.EntityFrameworkCore/SimpleTaskSsytem.EntityFrameworkCore.csproj src/SimpleTaskSsytem.Migrator/SimpleTaskSsytem.Migrator.csproj src/SimpleTaskSsytem.Web.Core/SimpleTaskSsytem.Web.Core.csproj src/SimpleTaskSsytem.Web.Host/SimpleTaskSsytem.Web.Host.csproj test/SimpleTaskSsytem.Tests/SimpleTaskSsytem.Tests.csproj When trying…