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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...n is replace primitive type with primitive wrapper class in your tableName.java file.
Such as:
@Column(nullable=true, name="client_os_id")
private Integer client_os_id;
public int getClient_os_id() {
return client_os_id;
}
public void setClient_os_id(int clientOsId) {
client_os_id = clien...
Best way to parseDouble with comma as decimal separator?
...
Use java.text.NumberFormat:
NumberFormat format = NumberFormat.getInstance(Locale.FRANCE);
Number number = format.parse("1,234");
double d = number.doubleValue();
...
Spring ApplicationContext - Resource leak: 'context' is never closed
...Context implements) does and extends Closeable to boot, so you can use the Java 7 try-with-resource paradigm.
– kbolino
Feb 3 '13 at 6:03
...
Where can I download IntelliJ IDEA Color Schemes? [closed]
... looks fantastic! Easy on the eyes. Also-- most themes seem designed for Java/Ruby, but I work mainly in Scala these days, and this one was designed specifically for Scala. I may even switch my Mac to this theme. Thanks!
– Dan Barowy
Sep 2 '11 at 1:34
...
Making a Simple Ajax call to controller in asp.net mvc
... Not a fan of this, it encourages coupling of the view and the javascript, but uh, username checks out?
– Halter
Nov 8 '17 at 22:37
...
How to get maximum value from the Collection (for example ArrayList)?
...ollections API to achieve what you want easily - read efficiently - enough
Javadoc for Collections.max
Collections.max(arrayList);
Returns the maximum element of the given collection, according to the natural ordering of its elements. All elements in the collection must implement the Comparabl...
Lambda expression to convert array/List of String to array/List of Integers
Since Java 8 comes with powerful lambda expressions,
10 Answers
10
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Error “The goal you specified requires a project to execute but there is no POM in this directory” a
...owershell
mkdir MyWebApp
cd MyWebApp
mvn archetype:generate "-DgroupId=com.javan.dev" "-DartifactId=MyWebApp" "-DarchetypeArtifactId=maven-archetype-webapp" "-DinteractiveMode=false"
Note: This is tested only on windows 10 powershell
...
What is the MySQL JDBC driver connection string?
...urations and URL correct or wrong using the following code snippet.
import java.sql.Connection;
import java.sql.DriverManager;
public class TestJdbc {
public static void main(String[] args) {
//db name:testdb_version001
//useSSL=false (get rid of MySQL SSL warnings)
S...
How to send POST request in JSON using HTTPClient in Android?
...m using an example posted by Justin Grammens.
About JSON
JSON stands for JavaScript Object Notation. In JavaScript properties can be referenced both like this object1.name and like this object['name'];. The example from the article uses this bit of JSON.
The Parts
A fan object with email as a ke...