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Composite Key with EF 4.1 Code First
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You can mark both ActivityID and ActivityName properties with Key annotation or you can use fluent API as described by @taylonr.
Edit:
This should work - composite key defined with annotations requires explicit column order:
public class ActivityType
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How do I register a DLL file on Windows 7 64-bit?
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Type regsvr32 name.dll into the Command Prompt (executed in elevated mode!) and press "Enter." Note that name.dll should be replaced with the name of the DLL that you want to register. For example, if you want to register the iexplore.dll, type regsvr32 iexplor...
Qt: How do I handle the event of the user pressing the 'X' (close) button?
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void MainWindow::closeEvent (QCloseEvent *event)
{
QMessageBox::StandardButton resBtn = QMessageBox::question( this, APP_NAME,
tr("Are you sure?\n"),
QMessageBox::...
Define an 's src attribute in CSS [duplicate]
... can change the size of the image this way by using background-size:cover, and then changing the height and width.
– Lee
Oct 28 '15 at 15:15
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How do I sort a list of dictionaries by a value of the dictionary?
I have a list of dictionaries and want each item to be sorted by a specific property values.
18 Answers
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...t of the line)
Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.
If the LoadModule rewrite_module modules/mod_rewrite.so line is missing from the httpd.conf file entirely, just add it.
Sample command
To enable the m...
In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
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Just note this isn't in the standard library.
– Chris Lloyd
Feb 1 '11 at 11:34
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How to make maven build platform independent?
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Absence of this means you are using platform specific encoding and that's why the warning.
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“No such file or directory” error when executing a binary
...ed it: sudo apt-get install ia32-libs
– RyanfaeScotland
Oct 11 '13 at 12:44
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If anyone still g...
How do I get my solution in Visual Studio back online in TFS?
...my solution in Visual Studio 2012 (which is under TFS source control) open and the TFS server (2010) was down. When I then made a change to one of the files and attempted to save it I got a prompt to ask whether I wanted to Overwrite the file saying the TFS server was down (can't remember the exact ...