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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
...example shared entity types and their passing from one context to another, etc. Generally it is possible, it can make your design much cleaner and separate different functional areas but it has its costs in additional complexity.
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Insert/Update Many to Many Entity Framework . How do I do it?
...table linking them together.
You basically do the same for updates. Just fetch the data, modify the graph by adding and removing objects from collections, call SaveChanges. Check this similar question for details.
Edit:
According to your comment, you need to insert a new Class and add two existin...
Custom Adapter for List View
... }
if (tt2 != null) {
tt2.setText(p.getCategory().getId());
}
if (tt3 != null) {
tt3.setText(p.getDescription());
}
}
return v;
}
}
This is a class I had used for my project. You need t...
SQL Server insert if not exists best practice
...have some "old" and "new" fields - oldEmail, newEmail, oldPhone, newPhone, etc. That way you can form a composite key, in Competitors, from CompetitorName, Email, and Phone.
Then when you have some competition results, you can truncate and reload your CompetitionResults table from your excel sheet ...
The provider is not compatible with the version of Oracle client
...o issue since moving over to it / you can set your projects back to AnyCPU etc and it works great :)
– Tod Thomson
Nov 28 '13 at 5:58
5
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Python function overloading
...amp; ...) regular_bullet(...)
else if (...) curved_bullet(...)
//..etc..
}
Pass as many arguments to the c_function that exist, then do the job of determining which c function to call based on the values in the initial c function. So, python should only ever be calling the one c function. ...
Is it possible to set a number to NaN or infinity?
...mpy arrays and everything that can be converted to one (like lists, tuple, etc.)
There are also functions that explicitly check for positive and negative infinity in NumPy: numpy.isposinf and numpy.isneginf.
Pandas offers two additional functions to check for NaN: pandas.isna and pandas.isnull (but ...
In SQL Server, when should you use GO and when should you use semi-colon ;?
...o that particular batch.
Any declarations of Variables, Table Variables, etc do not go across GO statements.
#Temp tables are local to a connection, so they span across GO statements.
Semicolon
A Semicolon is a statement terminator. This is purely used to identify that a particular statement ha...
RESTfully design /login or /register resources?
...I've heard that the verbs are typically left to the HTTP verbs (GET, POST, etc).
– Qcom
Sep 4 '11 at 4:22
2
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Defining a HTML template to append using JQuery
...ey're read from a DB, or someone could pass in HTML (and then run scripts, etc.) from your page.
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