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  1. What are the uses of "using" in C#? - Stack Overflow

    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?

  2. 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 …

  3. What's the problem with "using namespace std;"?

    I have heard using namespace std; is wrong, and that I should use std::cout and std::cin directly instead. Why is this? Does it risk declaring variables that share the same name as something in …

  4. 为什么尽量不要使用using namespace std? - 知乎

    May 31, 2016 · 需要保证的是尽量不要在头文件里using任何东西尤其是namespace,要不然include进来的时候很容易莫名其妙产生 命名冲突。有条件的话,所有引入的符号都定义在自己 …

  5. MySQL JOIN ON vs USING? - Stack Overflow

    Feb 19, 2021 · In a MySQL JOIN, what is the difference between ON and USING ()? As far as I can tell, USING () is just more convenient syntax, whereas ON allows a little more flexibility when …

  6. c# - What is the difference between using and await using ...

    Oct 29, 2019 · So in the case of a Timer, choosing between using and await using is not just a choice that depends on the context. You might prefer to use the synchronous using in an async …

  7. Should 'using' directives be inside or outside the namespace ...

    2439 I have been running StyleCop over some C# code, and it keeps reporting that my using directives should be inside the namespace. Is there a technical reason for putting the using …

  8. How to update/upgrade a package using pip? - Stack Overflow

    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 …

  9. Automating Edge Browser using VBA without downloading ...

    Apr 10, 2024 · Currently, I had installed SeleniumBasic Package and installed the msedgedriver.exe which is in compatible with the edge browser in my Machine. My Ask: How …

  10. How can I generate a self-signed SSL certificate using OpenSSL?

    Modern browsers (like the warez we're using in 2014/2015) want a certificate that chains back to a trust anchor, and they want DNS names to be presented in particular ways in the certificate. …