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The object cannot be deleted because it was not found in the ObjectStateManager
...EntytyToRemove);
var nrOfObjectsChanged = context.SaveChanges();
}
..then this what you want to do:
using (var context = new MyDataContext())
{
// Note: Attatch to the entity:
context.MyTableEntity.Attach(EntityToRemove);
context.MyTableEntity.Remove(EntityToRemove);
var nrOf...
String Resource new line /n not possible?
...ext = text.Replace("\\\n", "\n"); ( text is taken from resX file)
And then I get a line jump on the screen
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Get visible items in RecyclerView
... the adapter. In that event you receive the RecyclerView as parameter; and then you can get the LayoutManager from the RecyclerVie, and save it in a global var. If the LayoutManager is null, probably could be because it wasn't assigned to the RecyclerView in the Activity/Fragment/Layout; and try to ...
How do you search for files containing DOS line endings (CRLF) with grep on Linux?
...best way to go about it. Using find to run file on every file in the tree then grepping through that for "CRLF" will get you one line of output for each file which has dos style line endings:
find . -not -type d -exec file "{}" ";" | grep CRLF
will get you something like:
./1/dos1.txt: ASCII tex...
How to push both value and key into PHP array
...if you do $a = array("name" => "John"); $a += array("name" => "Tom");then $a["name"] will be "John"
– santiago arizti
Jan 31 '18 at 16:16
...
Software keyboard resizes background image on Android
...
if you don't want to display keyboard automatically then use : android:windowSoftInputMode="adjustPan"
– satvinder singh
Oct 26 '16 at 12:03
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How do you know when to use fold-left and when to use fold-right?
...s a stack frame to be opened for 1 + ? and 2 + ? before calculating 3 + 4, then it needs to go back and do the calculation for each.
I'm not enough of an expert on functional languages or compiler optimisations to say whether this is will actually make a difference but it certainly seems cleaner to...
heroku - how to see all the logs
...nment for a variety of reasons.
First, if your app has more than one dyno then each log file only represents a partial view into the events of your app. You would have to manually aggregate all the files to get the full view.
Second, the filesystem on Heroku is ephemeral meaning whenever your dyno...
Isn't “package private” member access synonymous with the default (no-modifier) access?
... @PeterLawrey Oh? What is the default access for interface members, then?
– ArtOfWarfare
Oct 31 '12 at 18:59
8
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Import Error: No module named numpy
...installed. It may be easier to find the folder using Windows explorer, and then paste or type the address from the Explorer address bar into the command prompt.
Enter the following command: "pip install numpy".
You should see something similar to the following text appear as the package is down...