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Questions tagged [identifier]

An identifier is a name that identifies either a unique object or a unique class of objects.

1353 questions
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Difference between identifier and variable (in JavaScript)

I had been looking through this query for the answer. With the below JavaScript syntax: var var1 = 1; var var2 = function(a, b){ return a + b; }; var var3 = var2(3, 5); I would like to know, whether var1/var2/var3 are variables or…
overexchange
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Android: R.java: error expected

I am a beginner to android development, and was following the training guide at developer.android.com (Better tutorials would be greatly appreciated as well). I was adding the action bar when I started getting this error. Executing tasks:…
user2901278
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My app was rejected for using "Advertising Identifier"

My app was rejected for using advertising identifier, but I am not using any advertising identifier in my app. I've checked my code and there is no advertising identifier, I am not even using the Ad support framework. Yes, my app serves ads but I am…
Deepak
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In-App purchase product not found

I'm trying to test in-app purchases in demo app. But when I'm press "Buy" button, message "Product not found: com.company.inappdemo.test" appears. I'm sure that Bundle ID and Product ID is right. What else can be wrong and cause an error? P.S. Link…
Konstantin Cherkasov
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JSF-generated HTML element ID is changing, how to set it to a fixed element ID?

I have a JSF input text component which has an id of search. In the generated HTML output it looks like this j_idt17:search, but the number 17 is changing from time to time. How to make it to stay one?
Pavel
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What is the meaning of leading underscores in a C++ constructor?

OK I am not a very experienced C++ programmer, but I was wondering what is the significance of the underscores in the arguments of the following constructor? class floatCoords { public: floatCoords(float _x, float _y, float _width, float…
Jorge
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How long are the vendor and advertising IDs that have replaced iPhone UDIDs?

I know that a UDID is 40 characters long. Now, Apple forbids their usage and has replaced them with vendor and advertising identifiers for iPhones. I need to replace them in DB, but I cannot find their length. What is the length of these new…
Nuri Tasdemir
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How can % signs be used in identifiers

Browsing the v8 tree, under the src directory, some js files were there, providing some basic JS objects like Math, Array etc. Browsing those files, I saw identifiers including a percent sign (%) in their names, i.e. %Foo. I first naively thought it…
user1621465
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identify groups of linked episodes which chain together

Take this simple data frame of linked ids: test <- data.frame(id1=c(10,10,1,1,24,8),id2=c(1,36,24,45,300,11)) > test id1 id2 1 10 1 2 10 36 3 1 24 4 1 45 5 24 300 6 8 11 I now want to group together all the ids which link. By…
thelatemail
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REST numeric or string resource identifiers?

I'm doing some research to help me develop a REST API and this is one topic I haven't seen discussed in depth anywhere. If I have a user in the system, is it better to identify the user using a numeric identifier /users/1 Or using a string…
James McMahon
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Java parsing of dotted identifiers

What are the rules Java uses to resolve dotted identifiers? For example: import Foo.Bar; class Foo { public static class Bar { }; }; Now, Foo.Bar can refer to either the imported class Bar or the one defined in the source code. How is…
David Given
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Unable to resolve identifier on netbeans

I'm keep getting this "Unable to resolve identifier file" message on netbeans. I'm new in c and netbeans. It was fine last night but somehow after rebooting my computer this message keep occurs. Here's a code. What would be the problem? #include…
Max
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C++ identifier is undefined

I'm new to C++ I don't understand why I'm getting this error. Out of 5 statements that are similar 3 mark error but the other two are okay. The error is in the main function. #include using namespace std; // Function…
hcas
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In Common Lisp, is there a defined maximum length for a symbol's name?

I wasn't able to find this information in the Hyperspec or Common Lisp: The Language (second edition). Implementation-dependent constants like LAMBDA-PARAMETERS-LIMIT and CALL-ARGUMENT-LIMIT, but not something like SYMBOL-NAME-LENGTH-LIMIT or…
texdr.aft
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Does Haskell allow use of keywords in identifiers?

C# allows it if you put an @ before the variable name. So int @int = 0; is valid in C#. Does Haskell have anything similar to this or it doesn't allow it altogether? Thanks
strider
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