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This Row already belongs to another table error when trying to add rows?

I have a DataTable which has some rows and I am using the select to filter the rows to get a collection of DataRows which I then loop through using foreach and add it to another DataTable, but it is giving me the error "This Row already belongs to another table". Here is the code: ...
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Regular expression to match DNS hostname or IP Address?

...check separately that the total length of the hostname must not exceed 255 characters. For more information, please consult RFC-952 and RFC-1123. share | improve this answer | ...
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How do I ignore all files in a folder with a Git repository in Sourcetree?

... For Sourcetree users: If you want to ignore a specific folder, just select a file from this folder, right-click on it and do "Ignore...". You will have a pop-up menu where you can ignore "Ignore everything beneath: <YOUR UNWANTED FOLDER>" If you have the "Ignore" option greyed out...
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How do I export a project in the Android studio?

... Now "android:debuggalbe=false" is not needed and you can select build type when exporting a signed APK. – echo Sep 4 '14 at 10:28 4 ...
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How do I record audio on iPhone with AVAudioRecorder?

... code]); NSLog(@"Error: %@ [%4.4s])" , [error localizedDescription], (char*)&errorCode); } NSLog(@"recording"); } -(IBAction) stopRecording { NSLog(@"stopRecording"); [audioRecorder stop]; NSLog(@"stopped"); } -(IBAction) playRecording { NSLog(@"playRecording"); // Init audio with playb...
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Switching between GCC and Clang/LLVM using CMake

...sudo update-alternatives --config c++ Will print something like this: Selection Path Priority Status ------------------------------------------------------------ * 0 /usr/bin/g++ 20 auto mode 1 /usr/bin/clang++ 10 manual mode 2 ...
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What does extern inline do?

..., ## s); //=========== MACRO MAGIC ENDS ============ int main (int argc, char** argv) { LOG("Greetings StackOverflow! - from enthusiasticgeek\n"); return 0; } For multiple files define these macros in a separate header file including the same in each c/cc/cxx/cpp files. Please prefer inlin...
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Convert an image (selected by path) to base64 string

How do you convert an image from a path on the user's computer to a base64 string in C#? 12 Answers ...
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General guidelines to avoid memory leaks in C++ [closed]

...tion will have a buffer "on the stack of the class" for small strings (~15 chars), and will use a pointer to a memory in the heap for larger strings... But from the outside, std::string is still a value type that you declare (usually) on the stack and you use as you would use an integer (as opposed ...
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jQuery: Best practice to populate drop down?

...emory (with a string variable) first and then append this string to parent select control should be more efficient, because this will cause only once page layout – Wint Jul 2 '15 at 14:41 ...