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Entity Framework 6 Code first Default value
...uding removal of SQL constraints on attribute removal.
I am also re-using .NET Framework's native DefaultValue attribute.
Usage
[DatabaseGenerated(DatabaseGeneratedOption.Computed)]
[DefaultValue("getutcdate()")]
public DateTime CreatedOn { get; set; }
For this to work you need to update Identit...
How to Display blob (.pdf) in an AngularJS app
... "undefined". Also, with window.URL, the PDF document never opened in Internet Explorer and Microsoft Edge (it would remain waiting forever). I came up with the following solution that works in IE, Edge, Firefox, Chrome and Opera (have not tested with Safari):
$http.post(postUrl, data, {responseTyp...
LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
...the database, so I was offering what happens from the provider. While the .Net code only iterates over 2 values, the database visits as many records as it needs to until it hits the second one meeting the criteria.
– Jim Wooley
Jun 19 '13 at 14:45
...
PHP exec() vs system() vs passthru()
...
As drawn from http://php.net/ && Chipmunkninja:
The system() Function
The system function in PHP takes a string argument with the command to
execute as well as any arguments you wish passed to that command. This
function executes...
jQuery pass more parameters into callback
...nction. I found another clear example of the same concept here: theelitist.net/…
– William Denniss
Oct 31 '11 at 8:28
...
Streaming Audio from A URL in Android using MediaPlayer?
... name button_pause and button_play and please don't forget to add the internet permission in your manifest.
public class MainActivity extends Activity {
private Button btn;
/**
* help to toggle between play and pause.
*/
private boolean playPause;
private MediaPlayer mediaPlayer;
/**
* remain fa...
What is the difference between HashSet and List?
... what is the difference between HashSet<T> and List<T> in .NET?
8 Answers
...
Fastest way to check if string contains only digits
...g.Join("\n", ss)); return;
}
Results on Intel i5-3470 @ 3.2GHz, VS 2015 .NET 4.6.1 Release mode and optimizations enabled:
time method ratio
0.7776 for ^ 1.0000
0.7984 foreach - 1.0268
0.8066 foreach ^ 1.0372
0.8940 for - 1.1497
0.8976 for ...
What does the 'static' keyword do in a class?
...
In .NET, you can also modify this behavior using the [ThreadStatic] attribute - which makes the static local to particular threads.
– TheSoftwareJedi
Jan 5 '09 at 18:44
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Is there a way to check if int is legal enum in C#?
...ng() ==> "20"
With these two rules in mind we can assume that if the .NET Framework does its job correctly that any calls to a valid enum's ToString() method will result in something that has an alphabetic character as its first character:
public static bool IsValid<TEnum>(this TEnum enu...