I am creating a stored procedure to do a search through a table. I have many different search fields, all of which are optional. Is there a way to create a stored procedure that will handle this? Let’s say I have a table with four fields: ID, FirstName, LastName and Title. I could do something … Read more
I wish to say: public void Problem(Guid optional = Guid.Empty) { } But the compiler complains that Guid.Empty is not a compile time constant. As I don’t wish to change the API I can’t use: Nullable<Guid> 5 Answers 5
Is it possible to point to a specific settings file in order to override the default settings.xml being used by maven for a single command? Example: mvn clean install -Dparam # -> pass specific settings file path as param to override default “home/.m2/settings.xml” 2 Answers 2
Does C# 4.0 allow optional out or ref arguments? 11 Answers 11
I am debugging some JavaScript and can’t explain what this || does: function (title, msg) { var title = title || ‘Error’; var msg = msg || ‘Error on Request’; } Why is this guy using var title = title || ‘ERROR’? I sometimes see it without a var declaration as well. 12 Answers 12
How are “keyword arguments” different from regular arguments? Can’t all arguments be passed as name=value instead of using positional syntax? 10 Answers 10
I find the named parameters feature in C# quite useful in some cases. calculateBMI(70, height: 175); What can I use if I want this in JavaScript? What I don’t want is this: myFunction({ param1: 70, param2: 175 }); function myFunction(params){ // Check if params is an object // Check if the parameters I need are … Read more
I noticed that with the optional parameters in C# 4 if you specify an optional parameter on an interface you don,t have to make that parameter optional on any implementing class: public interface MyInterface { void TestMethod(bool flag = false); } public class MyClass : MyInterface { public void TestMethod(bool flag) { Console.WriteLine(flag); } } … Read more
Is it possible in Swift? If not then is there a workaround to do it? 20 Answers 20
Note: This question was asked at a time when C# did not yet support optional parameters (i.e. before C# 4). We’re building a web API that’s programmatically generated from a C# class. The class has method GetFooBar(int a, int b) and the API has a method GetFooBar taking query params like &a=foo &b=bar. The classes … Read more
