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When to use Common Table Expression (CTE)
I have begun reading about Common Table Expression and cannot think of a use case where I would need to use them. They would seem to be redundant as the same can be done with derived tables. Is there something I am missing or not understanding well? Can someone give me a simple example of limitati...
How to get the client IP address in PHP [duplicate]
... make sure you have space for at least 45 characters. IPv6 is here to stay and those addresses are larger than the older IPv4 addresses.
(Note that IPv6 usually uses 39 characters at most but there is also a special IPv6 notation for IPv4 addresses which in its full form can be up to 45 characters....
Commenting multiple lines in DOS batch file
... DOS Batch file. To test this batch file I need to execute some lines only and want to hide/comment out remaining.
7 Answer...
The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
...dropdown list from a database mapped with Linq-2-SQL, using ASP.NET MVC 2, and keep getting this error.
9 Answers
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Using MVC HtmlHelper extensions from Razor declarative views
...tations that
impact certain MVC scenarios (for
example: no access to standard MVC
Html. helpers)
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What is the best way to clone/deep copy a .NET generic Dictionary?
...uctor overload to Dictionary which takes an existing IDictionary" is fine, and already in my answer. If the values do need to be cloned, then the answer you've linked to doesn't help at all.
– Jon Skeet
Apr 15 '19 at 13:55
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Why does Hibernate require no argument constructor?
I got this hand-wavy answer but could somebody explain further? Thanks
9 Answers
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How to change Android version and code version number?
How to change Android version and code version number Android Studio? I want to change apk file (app) on Google Play and I need to change Android version and code version number. I tried with this in AndroidManifest.xml file in Android Studio:
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Use CSS to automatically add 'required field' asterisk to form inputs
...would have to manually put in the distance for every length of form input, and wouldn't be able to have any flexible inputs.
– brentonstrine
Jun 25 '12 at 22:11
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What is getattr() exactly and how do I use it?
...is that I still can't grasp the idea of its usage. The only thing I understand about getattr() is that getattr(li, "pop") is the same as calling li.pop .
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