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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...
Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
...it has reached a breakpoint, but it is not the case, in fact it stops on a Java source file that is ThreadPoolExecutor . There is no stack trace on the console, it just stops. Then if I click on resume it goes on and the app works perfectly. This is what shows in the debugger window:
...
Neo4j - Cypher vs Gremlin query language
...w. Neo4j team told us that implementing our algorithm directly against the Java API would be 100-200 times faster. We did so and got easily factor 60 out of it. As of now we have no single Cypher query in our system due to lack of confidence. Easy Cypher queries are easy to write in Java, complex qu...
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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Is it better to call ToList() or ToArray() in LINQ queries?
... - | - | 104 B |
| ToList() | 10 | 53.870 ns | 1.2988 ns | 2.2403 ns | 53.415 ns | 1.77 | 0.07 | 0.0433 | - | - | 136 B |
| | | | | | | | | | | | ...
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...
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...
Is there a method for String conversion to Title Case?
...
There are no capitalize() or titleCase() methods in Java's String class. You have two choices:
using commons lang string utils.
StringUtils.capitalize(null) = null
StringUtils.capitalize("") = ""
StringUtils.capitalize("cat") = "Cat"
StringUtils.capitalize("cAt...
Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
... the
reintegrate source, but this is not the case:
trunk/proj/src/main/java/com/foo/furniture.java
Missing ranges: /trunk/proj/src/main/java/com/foo/furniture.java:18765-18920
To find the files with mergeinfo information you can do:
cd ~/svn/branches/2.7
svn propget -R svn:mergeinfo .
Then ...