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Truncate a list to a given number of elements
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142
Use List.subList:
import java.util.*;
import static java.lang.Math.min;
public class T {
pub...
How do I interpret precision and scale of a number in a database?
I have the following column specified in a database: decimal(5,2)
3 Answers
3
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Getting an empty JQuery object
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226
This creates an empty jQuery-object:
$([])
Update:
In newer versions of jQuery (1.4+), you ...
POST data in JSON format
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answered Oct 23 '12 at 19:55
J. K.J. K.
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How can i get the session object if i have the entity-manager
...otally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implementation.
JPA 1.0
With JPA 1.0, you'd have to use EntityManager#getDelegate(). But keep in mind that the result of this method is implementation specific i.e. non portable from application server using Hibernate ...
What is the apply function in Scala?
... compose method on f and chaining two different functions together:
val f2 = f.compose((x:Int) => x - 1)
Now if we want to actually execute the function, or as mathematician say "apply a function to its arguments" we would call the apply method on the Function1[Int,Int] object:
f2.apply(2)
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How do I script a “yes” response for installing programs?
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213
The 'yes' command will echo 'y' (or whatever you ask it to) indefinitely. Use it as:
yes | c...
Sequence contains more than one element
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255
The problem is that you are using SingleOrDefault. This method will only succeed when the col...
onCreateOptionsMenu inside Fragments
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edited Jun 29 '15 at 21:17
Michael
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Custom error pages on asp.net MVC3
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201
Here's an example of how I handle custom errors. I define an ErrorsController with actions han...