Replace special characters and spaces with empty string with REGEX – Asp.net
I am looking to take a string from an input text box and remove all special characters and spaces. e.g. Input: ##HH 4444 5656 3333 2AB## Output: HH4444565633332AB
What is the difference between compiling a C++ file with the 'gcc' and 'c++' commands? – Ubuntu
While learning C++, I tried to compile a HelloWorld program using the 'gcc' command' and found that I needed to add the '-lstdc++' option for it to compile successfully: gcc HelloWorld.cpp -lstdc++ However, I idly tried to use 'c++' as…
Is there any difference between the vsnprintf function under xcode and the vsnprintf of other platforms?
I wrote a very simple test code to test vsnprintf, but in xcode and visual studio environment, the results are very different. The test code is as follows: #define _CRT_SECURE_NO_WARNINGS #include <iostream> #include <string.h> #include <cstdarg> void p(const char* fmt,…
Visual Studio Code – WPF TreeView Code Snippet Works in .NET Framework 4.7.2 but not .NET 6.0
As a learning exercise I am trying to load a WPF TreeView control with XML data from a file and using only XAML. I am using this example as a guide. I struggled for two days to get it to…
Visual Studio Code – Steps needed to have a .NET Console Application read secrets.json in Visual Studio
I'm following the docs for Configuration in .Net, and having trouble getting it working with User Secrets in Visual Studio 2022 (.Net 6.0). Thus far I've: Installed Microsoft.Extensions.Configuration.UserSecrets, and Microsoft.Extensions.Hosting. Confirmed that <UserSecretsId> was added to the .csproj file Code…
Read data from firebase c#
I cant find a way to read data from firebase databse in c# android application. I want to read value from child data/test. Question appers to be very simple, couldnt find a aimple way which i would understand online DATABASE…
Implement Singleton on Azure Functions with CosmosDB and Microsoft.Azure.Cosmos in C#
Actually I am trying to implement singleton on my C# Azure functions, but the official documentation at https://github.com/MicrosoftDocs/azure-docs/blob/main/articles/azure-functions/manage-connections.md#c-1 is not helping... It says: CosmosClient connects to an Azure Cosmos DB instance. The Azure Cosmos DB documentation recommends that you use…
Visual Studio Code – How can I set up debugging C++ programs with command-line arguments in VS Code?
I am having a problem setting up my debugger in VSCode for C++. I wrote some code, then ran into some errors while running it so I decided to debug. I think thats when VSCode created the task.json file. Then…
NullReferenceException: Object reference not set to an instance of an object. Asp.Net core 6
i was following this tutorial about paginate. it all worked, but if i add some sorting & filtering from my old code, it doesn't work. and the error says NullReferenceException: Object reference not set to an instance of an object.…
Visual Studio Code – namespace "std" has no member "cout" ("cin", "endl",… are the same)
Recently I re-installed C++ for my course at university after a long time. After installing the C++ Extension pack, I tested with "HelloWorld" code and found that all the members from namespace "std" make errors like in the following images.…