Keil error addition (16 bit sum).a51(4): error A45: UNDEFINED SYMBOL (PASS-2) - error-handling

I have typed this code for 8051 microcontroller and it was showing this error in keil uvision , Here is the required code which was throwing the error.Please tell me why this error is being thrown up.link to code image

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'Reformat code with dartfmt' action in Intellij Idea - 'failed to reformat code' message received

I have tried to reformat my dart code in IntelliJ Idea using the dart reformatter ('Reformat code with dartfmt' action).
I receive a failed to reformat code message error, any ideas?
There was a syntax error in the code!
Edit
The error message failed to reformat code was I thought possibly something to do with the configuration of my dart plugin or something else...however the most common reason for this error I suppose is because the code cannot be formatted due to an error in the code making it impossible.

Error compiling a Qt program containing WebView

I created a new Qt5 project. All i do is drag a QWebView into my MainWindowUI. It gives me these errors:
error: undefined reference toimp__ZN8QWebViewC1EP7QWidget'`
and
error: undefined reference toimp__ZN8QWebView6setUrlERK4QUrl`
I havent even written a single line of code! Is something wrong with QtDesigner?
Add "webkit"( till Qt 4.7.4) or webkitwidgets(Qt5) on pro file. like "QT += core gui webkit", then clean and build.

Accelerometer outputs "WinRT transform error" when attempting to use it

In my WinRT application running on an ARM tablet (ie Surface), I'm trying to get events from the accelerometer sensor but it's not working. I attach to it this way, basically from Microsoft's example:
mAccelerometer = Accelerometer::GetDefault();
mListenerToken = mAccelerometer->ReadingChanged::add(ref new TypedEventHandler<Accelerometer^, AccelerometerReadingChangedEventArgs^>(this, &AccelerometerWin8Delegate::ReadingChanged));
Unfortunately, this doesn't work. When an accelerometer event occurs, instead of getting my handler called, I get an error message in the output.
First-chance exception at 0x7539396B (KernelBase.dll) in EAMTestApp.exe: 0x40080202: WinRT transform error (parameters: 0x80004002, 0x00000000, 0x00000027, 0x04B1F280).
The exception is thrown in KernelBase.dll!7539396a()
Any idea what could be causing this? The error message is very cryptic.
I've run the Microsoft example here with no problems on the Surface.

Wrapper class error

I added a dll to my project. There was some error in the wrapper class so I removed that from my project. Now the trouble is whenever I build my solution, following error appears:
"Error 1 Failed to create the wrapper assembly for type library "AxUrdu_Unicode_TextBox". Compiler errors occurred when generating a Windows Forms wrapper for ActiveX control 'AxUrdu_Unicode_TextBox'. Source code saved in 'obj\Debug\AxInterop.Urdu_Unicode_TextBox.cs'.
c:\Users\Kh. Furqn\AppData\Local\Temp\mhveuttt.0.cs(30,38) : error CS0407: 'object AxUrdu_Unicode_TextBox.AxctlUrduText.About()' has the wrong return type
D:.Net Programs\School Manager\School Manager\School Manager\AxUrdu_Unicode_TextBox School Manager
"
I have done Clean Solution several times but error does not go away. Please help.
Thanks
I am presumming that you have a WinForms App, try looking in your Designer.vb file to check if there are any reference's to the Dll that gave you a problem.

Error messages when using OpenGL ES template

I made a new OpenGL ES application, and without modifying anything, I ran the program. It runs, but I see these error messages:
Detected an attempt to call a symbol in system libraries that is not present on the iPhone:
open$UNIX2003 called from function _ZN4llvm12MemoryBuffer7getFileEPKcPSsx in image libLLVMContainer.dylib.
Detected an attempt to call a symbol in system libraries that is not present on the iPhone:
fstat$INODE64 called from function _ZN4llvm12MemoryBuffer7getFileEPKcPSsx in image libLLVMContainer.dylib.
Detected an attempt to call a symbol in system libraries that is not present on the iPhone:
mmap$UNIX2003 called from function _ZN4llvm3sys4Path14MapInFilePagesEiy in image libLLVMContainer.dylib.
Detected an attempt to call a symbol in system libraries that is not present on the iPhone:
close$UNIX2003 called from function _ZN4llvm12MemoryBuffer7getFileEPKcPSsx in image libLLVMContainer.dylib.
Detected an attempt to call a symbol in system libraries that is not present on the iPhone:
pthread_mutexattr_destroy$UNIX2003 called from function _ZN4llvm3sys5MutexC2Eb in image libLLVMContainer.dylib.
The program displays a colored box that moves up and down. Is this what it's supposed to do? What do these error messages mean?
I've been noticing the same. I'm running iOS sdk 4.1. But it only happens on the simulator.
From what I found at the apple forums, it seems to be a simulator bug. An Apple representative claimed that it was a bug on "their" end.
Here's the quote "This is a bug on our end, but as long as things are otherwise working for you, the logging can safely be ignored."