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How to hide a in a menu with CSS?
I've realized that Chrome, it seems, will not allow me to hide <option> in a <select> . Firefox will.
13 Ans...
View array in Visual Studio debugger? [duplicate]
Is it possible to view an array in the Visual Studio debugger? QuickWatch only shows the first element of the array.
5 Ans...
Replace transparency in PNG images with white background
I've got some PNG images with transparency, and I need to create versions with the image layer composed onto a white background. I've tried various things with Image Magick "convert" operations, but either nothing happens at all or I get an error. I don't want to go to an intermediate JPG form bec...
Function passed as template argument
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Yes, it is valid.
As for making it work with functors as well, the usual solution is something like this instead:
template <typename F>
void doOperation(F f)
{
int temp=0;
f(temp);
std::cout << "Result is " <...
How to redirect output to a file and stdout
...andard error) into channel 1 (stdout/standard output), such that both is written as stdout. It is also directed to the given output file as of the tee command.
Furthermore, if you want to append to the log file, use tee -a as:
program [arguments...] 2>&1 | tee -a outfile
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Calling Objective-C method from C++ member function?
... have a class ( EAGLView ) which calls a member function of a C++ class without problems. Now, the problem is that I need to call in that C++ class a objective-C function [context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax....
What's the difference between :: (double colon) and -> (arrow) in PHP?
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This means that -> is mostly used to access instance members (though it can also be used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members).
In general, :: is used for sc...
Android DialogFragment vs Dialog
...DialogFragment instead of a simple Dialog by using Fragments API , but it is absurd to use an isolated DialogFragment for a simple Yes-No confirmation message box. What is the best practice in this case?
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The function to show current file's full path in mini buffer
I need to get the full path of the file that I'm editing with emacs.
12 Answers
12
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Update Row if it Exists Else Insert Logic with Entity Framework
...one have suggestions on the most efficient way to implement "update row if it exists else insert" logic using Entity Framework?
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