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Unique Key constraints for multiple columns in Entity Framework
...ex("IX_FirstAndSecond", 1, IsUnique = true)]
public int FirstColumn { get; set; }
[Index("IX_FirstAndSecond", 2, IsUnique = true)]
public int SecondColumn { get; set; }
The second parameter in the attribute is where you can specify the order of the columns in the index.
More information: MSDN
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Setting design time DataContext on a Window is giving a compiler error?
...owing XAML below for the main window in my WPF application, I am trying to set the design time d:DataContext below, which I can successfully do for all my various UserControls, but it gives me this error when I try to do it on the window...
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Ignoring a class property in Entity Framework 4.1 Code First
... a particular property
public class Customer
{
public int CustomerID { set; get; }
public string FirstName { set; get; }
public string LastName{ set; get; }
[NotMapped]
public int Age { set; get; }
}
[NotMapped] attribute is included in the System.ComponentModel.DataAnnotation...
JavaScript equivalent of jQuery's extend method
...bject. Each of those objects contains properties that essentially work as settings for the rest of the code within the function. In order to prevent having to specify all of the settings within the config object, I use jQuery's extend method to fill in a new object, settings with any default...
HttpURLConnection timeout settings
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HttpURLConnection has a setConnectTimeout method.
Just set the timeout to 5000 milliseconds, and then catch java.net.SocketTimeoutException
Your code should look something like this:
try {
HttpURLConnection.setFollowRedirects(false);
Http...
How to navigate through the source code by parts in CamelCase (instead of whole words)?
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Yes, enable Use "CamelHumps" words in Settings | Editor | General | Smart Keys.
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How can I make SQL case sensitive string comparison on MySQL?
...ysql.com/doc/refman/5.0/en/case-sensitivity.html
The default character set and collation are latin1 and latin1_swedish_ci, so nonbinary string comparisons are case insensitive by default. This means that if you search with col_name LIKE 'a%', you get all column values that start with A or a. To...
jQuery Date Picker - disable past dates
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You must create a new date object and set it as minDate when you initialize the datepickers
<label for="from">From</label> <input type="text" id="from" name="from"/> <label for="to">to</label> <input type="text" id="to" name="to"...
Window Height=“Auto” not working as expected
...dow, that does not explicitly have a height/width, (both values omitted or set to Auto ).
I was guessing that the window would find out its size by auto - calculating all contained usercontrols sizes, but this doesn't actually work!
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Is there YAML syntax for sharing part of a list or map?
...that order isn't important for this example; what I have is conceptually a set, but that maps much more closely to a sequence than to a mapping. And the structure of what I get out of this matters (which is why I didn't want to just add another layer of nesting to merge my structures), so having a m...