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LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...i eventually found the solution which was for my extension method to call .Select(e => e as T) where T is the child class and e is the base class.
full details are here:
Create IQueryable<T> extension using base class in EF
...
Simple calculations for working with lat/lon and km distance?
...hy;
SET @CurrentLocation = geography::Point(12.822222, 80.222222, 4326)
SELECT * , Round (GeoLocation.STDistance(@CurrentLocation ),0) AS Distance FROM [Landmark]
WHERE GeoLocation.STDistance(@CurrentLocation )<= 2000 -- 2 Km
There should be similar functionality for almost any database out ...
Visual Studio SP1 error: silverlight_sdk.msi is unavailable
... those "strange named" directories you have to check the date modified and select the most recent. Inside that directory you will find the silverlight_sdk.msi file.
This is the file that is needed to be pointed by the "Use source" field of the "Microsoft Silver Light 4 SDK" installation error messa...
Setting design time DataContext on a Window is giving a compiler error?
...w, where you can then scroll down to the ViewModel property, expand it and select the item that you want to bind to.
When you do all that, the VS designer will create a Binding statement whose path is relative to the View, i.e. it happens to be exactly the same as the path that x:Bind expects. So,...
Finding local maxima/minima with Numpy in a 1D numpy array
...s taken from the documentation itself.
Using the height argument, one can select all maxima above a certain threshold (in this example, all non-negative maxima; this can be very useful if one has to deal with a noisy baseline; if you want to find minima, just multiply you input by -1):
import matp...
“ArrayAdapter requires the resource ID to be a TextView” xml problems
...lete dropdown i have but it did not allow scrolling nor did it allow me to select any item from the list
– kabuto178
Jan 31 '13 at 20:01
29
...
How do I get the resource id of an image if I know its name?
...D of an ImageButton (as you would with R.id.name).
– Select0r
Jul 26 '10 at 19:19
42
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How to Update Multiple Array Elements in mongodb
...n the search result to just those that match the conditions for the update selection:
db.collection.aggregate([
{ "$match": { "events.handled": 1 } },
{ "$project": {
"events": {
"$setDifference": [
{ "$map": {
"input": "$events",
...
How do I find out which process is locking a file using .NET?
...eaning An operation was unable to read or write to the registry. You could selectively grant permission to your restricted account to the necessary part of the registry. It is more secure though to have your limited access process set a flag (e.g. in the database or the file system, or by using an i...
use Winmerge inside of Git to file diff
...GI, which allows you to review the list of files with a difference, before selecting one to examine its internal differences.
I have tweaked it to use only DOS commands
@echo off
setlocal
if "%1" == "-?" (
echo GitDiff - enables diffing of file lists, instead of having to serially
echo d...