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Index of Currently Selected Row in DataGridView
It's that simple. How do I get the index of the currently selected Row of a DataGridView ? I don't want the Row object, I want the index (0 .. n).
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What C++ Smart Pointer Implementations are available?
This is a spin-off from a garbage collection thread where what I thought was a simple answer generated a lot of comments about some specific smart pointer implementations so it seemed worth starting a new post.
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How to get the home directory in Python?
I need to get the location of the home directory of the current logged-on user. Currently, I've been using the following on Linux:
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Why do I need Transaction in Hibernate for read-only operations?
Why do I need Transaction in Hibernate for read-only operations?
4 Answers
4
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Is there shorthand for returning a default value if None in Python? [duplicate]
In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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Using Transactions or SaveChanges(false) and AcceptAllChanges()?
I have been investigating transactions and it appears that they take care of themselves in EF as long as I pass false to SaveChanges() and then call AcceptAllChanges() if there are no errors:
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Should I use @EJB or @Inject
I have found this question: What is the difference between @Inject and @EJB but I did not get any wiser. I have not done Java EE before nor do I have experience with dependency injection so I do not understand what I should use?
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Android studio, gradle and NDK
I am very new to this whole gradle and Android Studio support. I have managed to convert my android project to gradle using the export option.
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What does “static” mean in C?
I've seen the word static used in different places in C code; is this like a static function/class in C# (where the implementation is shared across objects)?
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Make page to tell browser not to cache/preserve input values
Most browsers cache form input values. So when the user refreshes a page, the inputs have the same values.
5 Answers
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