Questions tagged [ambiguity]

Ambiguity can refer to two related concepts: 'ambiguous calls' and 'ambiguous grammars'.

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MySQL JOIN independent of WHERE clause

I have two tables: debates ---------------------- id | name ---------------------- 1 | why is that? 2 | why is the other? opinions --------------------- id | debate | opinion --------------------- 1 | 1 | because 2 | 1 | NULL If I…
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Semantics-directed parser combinators

I tried this import scala.util.parsing.combinator._ def name = ident ^^ {case ident => if (ident.contains("a")) ident.toUpperCase else ident println(parseAll(name, "aa")) // parsed: AA println(parseAll(name, "bb")) with output [1.3] parsed:…
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How compiler works in case of error: reference to ‘mytype’ is ambiguous

I have created one scenario where I want help. Below code is the sample test application for same. #include using namespace std; class A { public: typedef int mytype; mytype GetInt() { return 1;} }; class B { public: …
Swapnil
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"Ambiguous Name Detected"

I am currently having issues with having the second sub section work. I had an error: Ambigious name detected:Worksheet_BeforeDoubleClick I tried changing the second name but the code still didn't work. Both Subs work individually but putting…
C. Cons
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How in C++ multiple inheritance choose of which base class method will be inherited?

Consider following simple example: #include using namespace std; class A { public: virtual void foo() { cout<<"A"<
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c++ pair template struct declaration ambiguity!

In definition of pair class in c++ there are two typedefs. what are they for? there are no use of them in the code! template struct pair { typedef T1 first_type; typedef T2 second_type; T1 first; T2 second; pair() :…
Kamran
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How to differentiate parameters from other functions when instantiating an anonymous class in Scala?

I have an abstract class A such as this one: abstract class A { def id: String } I would like to use the companion object of A to return an instantiated anonymous subclass of A. Unfortunately, the following function does not work due to an…
rhartert
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Resolve ambiguousness of a base template class member

I have a hierarchy of classes and every one of them must have a particular base class. Than base class provides ability to post log records and takes in ctor name of a log channel (basically a name of a class which is using log). Lets call this…
Vasilly.Prokopyev
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Overloading ambiguity between boost and xercers XML parser

I have a legacy C++ Application ( Solaris Sun CC 5.6 compiled) which uses xercers XML parcer v1.6.0 from ages. All good sofar. Recently one other third-party libraries upgrade forced us to use boost libraries along with Sun CC 5.9 compiler. But we…
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what is the equivalent of object in C# for objective C?

In c# I can declare object o; then I can assign o=(float)5.0; or o="a string." Is there an equivalent for Objective-C? I tried to use id but it does not take primitive type like float or integer. Thanks for helping.
Wayne Lo
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c++ Does the return type of a function cause ambiguity?

While making a very simple program, I started wondering about whether the return value of a method has any participation in making a method ambiguous? for example (not the case I was wondering about this is just a simple example to support my…
Julian Declercq
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Resolving ambiguous grammar

I've been at trying to solve this for hours and it's just been an endless loop of trial and error. I need to make this grammar unambiguous: S -> Sa | Sb | aS | bS | aa As I understand this can generate any combination of a's and b's with "aa"…
user3397545
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Backup Folder and Ambiguity of Definition of Variables

Ok, so I am converting code to C#, and I am using Visual Studios 2013. I have a backup folder with a copy of various files from the project in it because I cannot build the project unless they are in there. If the files are not in there, an error…
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C# reflection and methods ambiguity

I have a assembly which contains a class. That class has two methods public IEnumerable Invoke(); public IEnumerable Invoke(); I dynamically load the assembly Assembly as = Assembly.Load("MyAssemblyName, Version= 6.1.0.0, Culture=neutral,…
Larry G
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When several C static libs contain methods with same signature, this induces linker ambiguous behaviour

My environment: Win embedded (WES2009) RealTime driver, API written in C in MSVS2008 / VS2010. Result: 2 independend libs, implementing 2 independent solutions: 2 APIs of 2 serial port drivers. A simple problem: I have these 2 static libs,…
Sold Out
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