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How to create and handle composite primary key in JPA
...ask is to use @IdClass annotation, and place both your id in that IdClass. Now you can use normal @Id annotation on both the attributes
@Entity
@IdClass(MyKey.class)
public class YourEntity {
@Id
private int id;
@Id
private int version;
}
public class MyKey implements Serializable ...
Convert array of integers to comma-separated string
... = ", ")
{
return string.Join(separator, lst.Select(selector));
}
So now just:
new int[] { 1, 2, 3, 4, 5 }.ToDelimitedString();
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How to convert SecureString to System.String?
...
Obviously you know how this defeats the whole purpose of a SecureString, but I'll restate it anyway.
If you want a one-liner, try this: (.NET 4 and above only)
string password = new System.Net.NetworkCredential(string.Empty, securePasswor...
Update parent scope variable in AngularJS
I have two controllers, one wrapped within another. Now I know the child scope inherits properties from the parent scope but is there a way to update the parent scope variable? So far I have not come across any obvious solutions.
...
REST response code for invalid data
...lse. That is, the client requested something and supplied preconditions, knowing full well that those preconditions might fail. 412 should never be sprung on the client out of the blue, and shouldn't be related to the request entity per se.
...
Save the console.log in Chrome to a file
Does anyone know of a way to save the console.log output in Chrome to a file? Or how to copy the text out of the console?
...
Git rebase fails, 'Your local changes to the following files would be overwritten by merge'. No loca
...eam changes pulled into master since the bugfix branch was created, and it now refuses to rebase.
2 Answers
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How to record webcam and audio using webRTC and a server-based Peer connection
....css">
<h1> MediaRecorder API example</h1>
<p>For now it is supported only in Firefox(v25+) and Chrome(v47+)</p>
<div id='gUMArea'>
<div>
Record:
<input type="radio" name="media" value="video" checked id='mediaVideo'>Video
<input...
How does akka compare to Erlang? [closed]
...e lighter alternative to java for web apps.
– Chris Snow
Nov 30 '13 at 13:42
@FUD: maybe he meant 1000 Erlang instruct...
How can I parse a local JSON file from assets folder into a ListView?
... }
Log.e("data", json);
return json;
}
Now for parsing data in your activity:-
String data = getAssetJsonData(getApplicationContext());
Type type = new TypeToken<Your Data model>() {
}.getType();
<Your Data model> modelObject = new G...
