Mar 8, 2017 · User kokos answered the wonderful Hidden Features of C# question by mentioning the using keyword. Can you elaborate on that? What are the uses of using?

The using statement is used to work with an object in C# that implements the IDisposable interface. The IDisposable interface has one public method called Dispose that is used to …

Updating the using keyword was specifically for templates, and (as was pointed out in the accepted answer) when you are working with non-templates using and typedef are …

The intention of "using" is to give developers a guaranteed way to make sure that resources get disposed. From MSDN: A using statement can be exited either when the end of the using …

The problem with putting using namespace in the header files of your classes is that it forces anyone who wants to use your classes (by including your header files) to also be 'using' (i.e. …

Feb 19, 2021 · Extremely good point. Of all the advantages using provides, it can't be combined with other predicates: select*from t join t2 using(i) and on 1 wouldnt work.

In other word, if you know that the initialization of a variable in using may throw a particular exception, I wrap it with try-catch. Similarly, if within using body something may happen, which …

Nov 2, 2017 · What is the way to update a package using pip? those do not work: pip update pip upgrade I know this is a simple question but it is needed as it is not so easy to find (pip …

Oct 29, 2019 · 44 Justin Lessard's answer explains the difference between using and await using, so I'll focus on which one to use. There are two cases: either the two methods Dispose / …

Oct 22, 2008 · Just in case it's not clear from the other answers here: - Do not put a using declaration (or using directive) at file scope in an include file/header! That will cause …