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C#, Programming

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Is there a generic constructor with parameter constraint in C#?

In C# you can put a constraint on a generic method like: public class A { public static void Method<T> (T a) where ...

June 3, 2022
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objective-c, Programming

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How do I pass multiple parameters in Objective-C?

I have read several of the post about Objective-C method syntax but I guess I don’t understand multiple names for a method. I’m ...

June 3, 2022
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http, Programming

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URL matrix parameters vs. query parameters

I’m wondering whether to use matrix or query parameters in my URLs. I found an older discussion to that topic not satisfying. Examples ...

June 2, 2022
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language-agnostic, Programming

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Arguments or parameters? [duplicate]

This question already has answers here: What’s the difference between an argument and a parameter? (36 answers) Closed 9 years ago. I often ...

June 1, 2022
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Programming, r

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How to use R’s ellipsis feature when writing your own function?

The R language has a nifty feature for defining functions that can take a variable number of arguments. For example, the function data.frame ...

May 31, 2022
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C#, Programming

IT Nursery

What is the use of “ref” for reference-type variables in C#?

I understand that if I pass a value-type (int, struct, etc.) as a parameter (without the ref keyword), a copy of that variable ...

May 31, 2022
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C#, Programming

IT Nursery

Append values to query string

I have set of URL’s similar to the ones below in a list http://somesite.com/backup/lol.php?id=1&server=4&location=us http://somesite.com/news.php?article=1&lang=en I have managed to get the query strings ...

May 31, 2022
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ios, Programming

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In Swift how to call method with parameters on GCD main thread?

In my app I have a function that makes an NSRURLSession and sends out an NSURLRequest using sesh.dataTaskWithRequest(req, completionHandler: {(data, response, error) In ...

May 30, 2022
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PHP, Programming

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PHP check whether property exists in object or class

I understand PHP does not have a pure object variable, but I want to check whether a property is in the given object ...

May 29, 2022
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javafx, Programming

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Passing Parameters JavaFX FXML

How can I pass parameters to a secondary window in javafx? Is there a way to communicate with the corresponding controller? For example: ...

May 27, 2022
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