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error: passing xxx as 'this' argument of xxx discards qualifiers
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The objects in the std::set are stored as const StudentT. So when you try to call getId() with the const object the compiler detects a problem, mainly you're calling a non-const member function on const object which is not allowed because non-const...
Code First: Independent associations vs. Foreign key associations?
...itely use Entity reference:
public class Order
{
public int ID { get; set; }
public Customer Customer { get; set; } // <-- Customer object
...
}
Once you generate an entity model from a database with FKs it will always generate entity references. If you don't want to use them you m...
What's the difference setting Embed Interop Types true and false in Visual Studio?
...oject, the properties window has an option Embed Inteop Types , should we set it to True or False ? What's the difference?
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How do I set the request timeout for one controller action in an asp.net mvc application
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You can set this programmatically in the controller:-
HttpContext.Current.Server.ScriptTimeout = 300;
Sets the timeout to 5 minutes instead of the default 110 seconds (what an odd default?)
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Most concise way to convert a Set to a List
... are zero based which is why this is so strange to me. After converting my set to a list I can't perform any iterative operation on it foreach, sort, etc. I get a NullPointerException, however when I expect my list none of the elements are null, and the only weird I notice is that the index starts a...
ImportError: No module named site on Windows
...lem for myself for almost a day and finally had a breakthrough. Try this:
Setting the PYTHONPATH / PYTHONHOME variables
Right click the Computer icon in the start menu, go to properties.
On the left tab, go to Advanced system settings. In the window that comes up, go to the Advanced tab, then at th...
Swift Programming: getter/setter in stored property
How do I overwrite the setter of stored property in Swift?
5 Answers
5
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How to add multiple objects to ManyToMany relationship at once in Django ?
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To add on, If you want to add them from a queryset
Example
# Returns a queryset
permissions = Permission.objects.all()
# Add the results to the many to many field (notice the *)
group = MyGroup.objects.get(name='test')
group.permissions.add(*permissions)
From: Ins...
How can I set the Sender's address in Jenkins?
...kins Location header on that page! It is not immediately obvious that this setting is tied to the e-mail notification settings, since it is not under the E-mail notification header on the configuration page.
share
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When should Flask.g be used?
...s a new application context, wiping the old one, so g can still be used to set flags per-request without change to code.
The application context is popped after teardown_request is called. (Armin's presentation explains this is because things like creating DB connections are tasks which setup the en...