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How to negate a method reference predicate
In Java 8, you can use a method reference to filter a stream, for example:
12 Answers
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Java Persistence / JPA: @Column vs @Basic
...g that Basic is designed for primitive fields
http://en.wikibooks.org/wiki/Java_Persistence/Basic_Attributes
A basic attribute is one where the attribute class is a simple type such as String, Number, Date or a primitive. A basic attribute's value can map directly to the column value in the databas...
Change / Add syntax highlighting for a language in Sublime 2/3
I want to change / add syntax highlighting for a language in Sublime 2/3.
5 Answers
5
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Creation timestamp and last update timestamp with Hibernate and MySQL
...me with this elegant solution, create the following abstract class
import java.util.Date;
import javax.persistence.Column;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Temporal;
import javax.persistence...
How do I implement basic “Long Polling”?
...hread per request. cometD is an popular one (which is available in several languages), and Tornado is a new framework made specifically for such tasks (it was built for FriendFeed's long-polling code)... but as a simple example, Apache is more than adequate! This script could easily be written in an...
How to add an extra source directory for maven to compile and include in the build jar?
In addition to the src/main/java, I am adding a src/bootstrap directory that I want to include in my build process, in other words, I want maven to compile and include the sources there in my build. How!?
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Add object to ArrayList at specified index
... insert nulls between your size and the element you want to add.
import java.util.ArrayList;
public class ArrayListAnySize<E> extends ArrayList<E>{
@Override
public void add(int index, E element){
if(index >= 0 && index <= size()){
super.add...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
... h = { 'a.b': 'c' } is now legal as of Ruby 2.2.0. See bugs.ruby-lang.org/issues/4276
– B Seven
Apr 29 '15 at 20:34
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Easy way to convert Iterable to Collection
...ly we would see some of these common patterns integrated directly into the Java runtime libraries.
– Jonathan Neufeld
Nov 3 '15 at 20:01
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Immutable class?
How can one make a Java class immutable, what is the need of immutability and is there any advantage to using this?
13 Answ...