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An expression tree may not contain a call or invocation that uses optional arguments
...on tree API does not support optional arguments.
For IL-compiled code the C# compiler inserts the default values at compile time (hard-coded), because the CLR does not support calling methods with optional arguments either when the arguments are not provided explicitly.
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Verify a method call using Moq
I am fairly new to unit testing in C# and learning to use Moq. Below is the class that I am trying to test.
1 Answer
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Copy to Output Directory copies folder structure but only want to copy files
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Not working with Visual Studio 2010 C# Console Application project.
– AMissico
Jul 29 '10 at 15:58
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Unique ways to use the Null Coalescing operator [closed]
I know the standard way of using the Null coalescing operator in C# is to set default values.
16 Answers
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Test if a property is available on a dynamic variable
...ss it, unless you re-implemented the way dynamic binding is handled in the C# compiler. Which would probably include a lot of guessing, because it is implementation-defined, according to the C# specification.
So you should actually try to access the member and catch an exception, if it fails:
dyna...
How to check if a number is a power of 2
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Since this is a C# tagged thread, it is worth pointing out that the last expression (of Sean Anderson) is illegal in C# since ! can only be applied to boolean types, and && also requires both operands to be boolean- (Except that user...
High Quality Image Scaling Library [closed]
I want to scale an image in C# with quality level as good as Photoshop does. Is there any C# image processing library available to do this thing?
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Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
I'm building some SQL query in C#. It will differ depending on some conditions stored as variables in the code.
22 Answer...
How do I convert Word files to PDF programmatically? [closed]
...rd.Application word = new Microsoft.Office.Interop.Word.Application();
// C# doesn't have optional arguments so we'll need a dummy value
object oMissing = System.Reflection.Missing.Value;
// Get list of Word files in specified directory
DirectoryInfo dirInfo = new DirectoryInfo(@"\\server\folder")...
get and set in TypeScript
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Nice answer. Also, note that, unlike in C#, properties are not currently virtualized in TypeScript (v0.9.5). When you implement "get bar()" in a derived class, you are replacing "get bar()" in the parent. Implications include not being able to call the base class a...