This question already has answers here: Difference between “var” and “object” in C# [duplicate] (6 answers) Closed 11 months ago. I’ve just started using ReSharper with Visual Studio (after the many recommendations on SO). To try it out I opened up a recent ASP.NET MVC project. One of the first and most frequent things I’ve … Read more
Earlier I asked a question about why I see so many examples use the varkeyword and got the answer that while it is only necessary for anonymous types, that it is used nonetheless to make writing code ‘quicker’/easier and ‘just because’. Following this link (“C# 3.0 – Var Isn’t Objec”) I saw that var gets … Read more
One use of the var keyword in C# is implicit type declaration. What is the Java equivalent syntax for var? 15 Answers 15
Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new answers or interactions. After discussion with colleagues regarding the use of the ‘var’ keyword in C# 3 I wondered what people’s opinions were on the appropriate uses of type inference via var? … Read more
So, in PHPDoc one can specify @var above the member variable declaration to hint at its type. Then an IDE, for ex. PHPEd, will know what type of object it’s working with and will be able to provide a code insight for that variable. <?php class Test { /** @var SomeObj */ private $someObjInstance; } … Read more
What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally? 2 27 TLDR JavaScript has lexical (also called static) scoping and closures. This means you can tell the … Read more
ECMAScript 6 introduced the let statement. I’ve heard that it’s described as a local variable, but I’m still not quite sure how it behaves differently than the var keyword. What are the differences? When should let be used instead of var? 3 37
