
What are the uses of "using" in C#? - Stack Overflow
2017年3月8日 · 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?
c# - try/catch + using, right syntax - Stack Overflow
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 …
What is the difference between 'typedef' and 'using'?
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 …
Why use a using statement with a SqlTransaction?
During my Googling I see many people using a using statement with a SqlTransaction. What is the benefit and/or difference of using this type of statement with a SqlTransaction?
MySQL JOIN ON vs USING? - Stack Overflow
2021年2月19日 · 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.
How does `USING` keyword work in PostgreSQL? - Stack Overflow
2024年1月29日 · I am confused with the USING keyword which is used to join two tables in postgres. I first saw it in another SO post Compare two tables in postgres. I checked the …
grammar - 'I was using', 'I have used', 'I have been using', 'I had ...
2010年10月21日 · I had been using cocaine. Meaning, with a reference point in the past, starting a time before then up to the reference point, I was habitually using cocaine up to and including …
How do I use the C#6 "Using static" feature? - Stack Overflow
2015年8月6日 · The static Keyword on a using statement will import only the one, specified type (and its nested types). Furthermore you must not give the type name anymore. So just add …
How do I UPDATE from a SELECT in SQL Server? - Stack Overflow
2010年2月25日 · Although the question is very interesting, I have seen in many forum sites and made a solution using INNER JOIN with screenshots. At first, I have created a table named …
How to update/upgrade a package using pip? - Stack Overflow
2017年11月2日 · 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 …