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Hibernate: “Field 'id' doesn't have a default value”
... explanation, try recreating the database (or at least creating a new one) and scaffolding it with SchemaExport.
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How to create an HTML button that acts like a link?
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Simple and nice. A fine solution. Add display: inline to the form to keep the button in the flow.
– Pekka
May 25 '10 at 16:44
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Java: is there a map function?
...a function in the JDK as of java 6.
Guava has a Function interface though and the
Collections2.transform(Collection<E>, Function<E,E2>)
method provides the functionality you require.
Example:
// example, converts a collection of integers to their
// hexadecimal string representations
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jQuery remove options from select
... answered Oct 5 '09 at 4:05
Andrew HareAndrew Hare
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How does this code generate the map of India?
...ence converted to ASCII. The first for statement makes b start out at 10, and the [b+++21] after the string yields 31. Treating the string as an array, offset 31 is the start of the "real" data in the string (the second line in the code sample you provided). The rest of the code simply loops thro...
Extreme wait-time when taking a SQL Server database offline
...e restore from live backup) on my dev database, but the 'Take Offline' command via SQL Server Management Studio is performing extremely slowly - on the order of 30 minutes plus now. I am just about at my wits end and I can't seem to find any references online as to what might be causing the speed ...
How to get the user input in Java?
...stem.in);
String s = scan.next();
int i = scan.nextInt();
BufferedReader and InputStreamReader classes
import java.io.BufferedReader;
import java.io.InputStreamReader;
//...
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String s = br.readLine();
int i = Integer.parseInt...
Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL [duplicate]
...t file. I can't seem to find anything wrong with it. No errors in firefox, and the script works as expected. Just using form validation
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How to add items to a spinner in Android?
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XML file:
<Spinner
android:id="@+id/Spinner01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
Java file:
public class SpinnerExample extends Activity {
@Override
public void onCreate(Bundle sav...
Remove All Event Listeners of Specific Type
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That is not possible without intercepting addEventListener calls and keep track of the listeners or use a library that allows such features unfortunately. It would have been if the listeners collection was accessible but the feature wasn't implemented.
The closest thing you can do is to r...