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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
...trings.
var errorMessages = ex.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
// Join the list to a single string.
var fullErrorMessage = string.Join("; ", errorMessages);
// Combine the origin...
Best way to check if object exists in Entity Framework?
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hi. how can we check if it exists and after that select all its data?
– virtouso
Apr 7 '15 at 1:27
1
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How do I get the APK of an installed app without root access?
...e your device try (re)installing USB-Driver for your
device
In middle pane select tab "File Explorer" and go to system > app
Now you can select one or more files and then click the "Pull a file
from the device" icon at the top (right to the tabs)
Select target folder - tada!
...
Is there a query language for JSON?
...joined items
.equals("location.state", "TX")
//and even do custom selections
.select(function(rec) {
return {
fullname : rec.firstname + " " + rec.lastname,
city : rec.location.city,
ageInTenYears : (rec.age + 10)
};
});
It's ful...
Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
...
In Xcode 6.4, this seems to occur when using "Selected Image" for a tab bar item in the storyboard, even if it's a valid image.
This doesn't actually seem to set the selected state image anyway, so it needs to be defined in User Defined Runtime Attributes, and removed...
An invalid form control with name='' is not focusable
...ngs that we don't want to validate.
$(["input:hidden, textarea:hidden, select:hidden"]).attr("disabled", true);
// If HTML5 Validation is available let it run. Otherwise prevent default.
if (this.el.checkValidity && !this.el.checkValidity()) {
// Re-enable things that we...
How to access a mobile's camera from a web app?
...re="capture" (Boolean) . The attribute is used to force capture instead of selecting from the library. See the spec and Correct Syntax for HTML Media Capture
– Octavian Naicu
Nov 9 '16 at 15:56
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Hidden features of Perl?
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One of my favourite features in Perl is using the boolean || operator to select between a set of choices.
$x = $a || $b;
# $x = $a, if $a is true.
# $x = $b, otherwise
This means one can write:
$x = $a || $b || $c || 0;
to take the first true value from $a, $b, and $c, or a default of 0...
SQL-Server: The backup set holds a backup of a database other than the existing
...go for the restore option
Under Options on the left pane don't forget to select
Overwrite the existing database
Preserve the replication settings
That's it
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Android emulator doesn't take keyboard input - SDK tools rev 20
...elated note, if your tablet emulator is missing the BACK/HOME buttons, try selecting WXGA800 as the Built-in skin in the AVD editor:
Or by manually setting the skin in config.ini:
skin.name=WXGA800
skin.path=platforms/android-16/skins/WXGA800
(example is for API 16)
...