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List of strings to one string
...e! only remark: Join doesn't need los.ToArray(), because List<T> can cast IEnumarable<T>.
– Nuri YILMAZ
Mar 10 '11 at 19:40
8
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Test if object implements interface
... called implemented the AboutDialogListener interface
before attempting to cast the AboutDialogListener field.
public class About extends DialogFragment implements OnClickListener,
OnCheckedChangeListener {
public static final String FIRST_RUN_ABOUT = "com.gosylvester.bestrides.firstrunabout";...
Comparing mongoose _id and strings
...ds by using the equals method. Instead, it would make more sense to always cast to string and compare the keys.
Here's an example answer in case if you need to use indexOf() to check within an array of references for a specific id. assume query is a query you are executing, assume someModel is a m...
Dynamic SELECT TOP @var In SQL Server
...sql nvarchar(200), @count int
set @count = 10
set @sql = N'select top ' + cast(@count as nvarchar(4)) + ' * from table'
exec (@sql)
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How will I know when to create an interface?
...
You don't have to cast, as opposed to 50 different classes with a Process method. C# doesn't use "duck typing", so just because A has Process() and B has Process() doesn't mean there is any generic way to call either. You need an Interface for...
How should equals and hashcode be implemented when using JPA and Hibernate
... Cat {
...
public boolean equals(Object other) {
//Basic test / class cast
return this.catId==other.catId;
}
public int hashCode() {
int result;
return 3*this.catId; //any primenumber
}
}
In Python, how do I read the exif data for an image?
...any changes
in the output image.
As stated, the Exif output can simply be casted to a dict with the EXIF data accessible as regular key-value pairs. The keys are 16-bit integers that can be mapped to their string names using the ExifTags.TAGS module.
from PIL import Image, ExifTags
img = Image.ope...
Get margin of a View
...iewGroup and the parent was a ViewGroup as well. In most cases, you should cast your layout params to the parent's View class LayoutParams (in this case it's ViewGroup and RelativeLayout)
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Callback to a Fragment from a DialogFragment
...try {
callback = (Callback) getParentFragment();
} catch (ClassCastException e) {
throw new ClassCastException("Calling fragment must implement Callback interface");
}
}
Only thing left is to call your callback method after these steps.
For more information about the issue...
Hidden Features of ASP.NET [closed]
...le known hack
Most of the time you have to use the findcontrol method and cast the controls in master page from the content pages when you want to use them, the MasterType directive will enable intellisense in visual studio once you to this
just add one more directive to the page
<%@ MasterTy...