Error: HTML Element Doesn’t Exist in Code-Behind File in Visual Studio

I’m trying to create a control for a calendar element in my Web application. It’s a very basic Web app., and I already have a control for a button element that is working properly. However, the calendar element is not being recognized in the code-behind (C#) file for some reason.

I’ve already ensured that runat = “server” exists in the Calendar element, and that the code-behind file is properly inherited in the ASP.NET file.

protected void Calendar1_SelectionChanged(object sender, EventArgs e) { Label1.Text = Calendar1.SelectedDate.ToLongDateString();}

In the ASP.NET file, I have Calendar ID = “Calendar1” runat = “server” … embedded in asp tags, but it’s still not recognizing Calendar1. I also made sure Calendar1_SelectionChanged(…) exists in Calendar1’s events. Any help would be appreciated.

No sound from headphone Dell XPS 13 ubuntu studio 18.04

I’m a Linux noob and I bought this fresh Dell XPS 13 with Ubuntu 18.04 natively installed. Then I installed Ubuntu studio (I work with audio). Everything audio-related looks fine. But:

I have no sound from headphone jack. I checked everything AFAIK on askubuntu on related threads. Sound level for headphone shows up correctly in pavucontrol and alsamixer says nothing is muted. I also removed some config files as suggested bvy another answer. I also modified the BIOS and rebooted. This is my alsa diagnose file:

http://alsa-project.org/db/?f=493c1ce3f01136cd76d40456e5e66e183c127c99

Frankly I have no idea where the issue is. Thanks -a-

Mouse very slow on Ubuntu Studio 19.04 xfce like Atari neve rdid

Very new distro, works as a dream, but like a “not you” again, very new also since 12 years in linux audio production, the mouse runs slow or directly on the welcome screen or after some minutes.

While checking out every reachable post, trying scripts and other wonderful solutions, I ask myself and now the ubuntu-developers: is there any solution possible in creating a patch and putting it into the updates?

To me, involved in complicated studio, patching, composing and mixing processes, this slow-mouse issue seems to me so stupid, that I am not able to understand that this exists, but it does. I mean in Atari ’94 the mouse worked properly.

Android Studio v.3.4 Theme Editor issue

Recently I have started a new Android Studio project and during it, I had to custom the theme. Although, I was going to use the Theme Editor, but I realized that it was not displaying on any .xml file, neither in the menu tools options. I thought it would be any dependent update, and then i did it, but i still cannot access it. I have tried to access even through the double shift, and i found it. But when i click to open it, it just shows a blank screen. I would be really glad if any of you know how to fix that! Android Studio screenshot

Android Studio v.3.4 Theme Editor issue

Recently I have started a new Android Studio project and during it, I had to custom the theme. Although, I was going to use the Theme Editor, but I realized that it was not displaying on any .xml file, neither in the menu tools options. I thought it would be any dependent update, and then i did it, but i still cannot access it. I have tried to access even through the double shift, and i found it. But when i click to open it, it just shows a blank screen. I would be really glad if any of you know how to fix that! Android Studio screenshot

Golang extension on visual studio

When I am making the golang environment in visual studio, visual studio recommand a golang extension – “goreturns”

I just pressed install, but the output tells that I had failed to install

However, I tried the same code in terminal, it is success

But, after I had installed by terminal, when I back to my code, it still cannot detect the extension, even I had restarted the visual studio code.

Do any one knows that what is happening? Many thanks

Visual Studio Code Postgres SQL Connection

I would like to use Visual Studio Code to preform my PostgreSQL queries, and general DB maintenance as an alternative to pgAdmin4. I have read the documentation included with the appropriate extention (PostgreSQL by MS). When I try to Create A New Profile I get the following prompt:

Server Name Prompt

I am working from an Apple Mac so I attempted localhost at first. That did not work. I tried the ip address of the local computer with the same result. I attempted just giving the name of the DB, but that did not work either. Any suggestions as to what I can try next. I am terrible at spelling and rembering names so I would like some form of IDE support when I am working.

This is the error I get: PostgreSQL: Failed to connect: could not translate host name "localhost\Local" to address: nodename nor servname provided, or not known

Error while debugging native and java-app on Android Studio

while developing an app for Android, I was able to debug native and managed code. But, once the app crashes and I close badly the app from debugging session, it becomes undebugeable again…

I was able to debug native and managed code, but after some launches it became unusable:

java.lang.Throwable: LLDB server not found     at com.intellij.openapi.diagnostic.Logger.error(Logger.java:137)     at com.android.tools.ndk.run.lldb.ConnectLLDBTask.newSessionStarter(ConnectLLDBTask.java:360)     at com.android.tools.ndk.run.lldb.ConnectLLDBTask.access$  200(ConnectLLDBTask.java:91)     at com.android.tools.ndk.run.lldb.ConnectLLDBTask$  3.createDebugProcess(ConnectLLDBTask.java:598)     at com.jetbrains.cidr.execution.testing.CidrLauncher.startDebugProcess(CidrLauncher.java:29)     at com.jetbrains.cidr.execution.CidrCommandLineState.startDebugProcess(CidrCommandLineState.java:30)     at com.jetbrains.cidr.execution.CidrRunner$  1.start(CidrRunner.java:63)     at com.intellij.xdebugger.impl.XDebuggerManagerImpl.startSession(XDebuggerManagerImpl.java:205)     at com.intellij.xdebugger.impl.XDebuggerManagerImpl.startSession(XDebuggerManagerImpl.java:166)     at com.jetbrains.cidr.execution.CidrRunner.startDebugSession(CidrRunner.java:56)     at com.android.tools.ndk.run.lldb.ConnectLLDBTask.launchCidrDebugger(ConnectLLDBTask.java:628)     at com.android.tools.ndk.run.lldb.ConnectLLDBTask.launchDebugger(ConnectLLDBTask.java:296)     at com.android.tools.idea.run.tasks.ConnectDebuggerTask.lambda$  perform$  0(ConnectDebuggerTask.java:90)     at com.intellij.util.ui.UIUtil$  12.run(UIUtil.java:3098)     at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:301)     at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)     at java.awt.EventQueue.access$  500(EventQueue.java:98)     at java.awt.EventQueue$  3.run(EventQueue.java:715)     at java.awt.EventQueue$  3.run(EventQueue.java:709)     at java.security.AccessController.doPrivileged(Native Method)     at java.security.ProtectionDomain$  JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)     at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)     at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:755)     at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:704)     at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:391)     at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)     at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)     at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) 

the before stacktrace is from Android Studio after launching debug, it appears an ! bottom right. Before the whole text.

Then, the result in Debug window is:

Now Launching Native Debug Session Error while starting native debug session: com.intellij.execution.ExecutionException: Index: 0, Size: 0 

I am not able to debug now! That is happening to me and I was able to fix by deleting .gradle directories and some others.

What I was deleting were: 1. c:\Users\{.android, .gradle, .AndroidStudio3.3}