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Best way to parseDouble with comma as decimal separator?
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Use java.text.NumberFormat:
NumberFormat format = NumberFormat.getInstance(Locale.FRANCE);
Number number = format.parse("1,234");
double d = number.doubleValue();
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Given final block not properly padded
...The reason is that the SecureRandom could be a different algorithm on each Java implementation, giving you a different key. The SecretKeyFactory does the key derivation in a defined manner (and a manner which is deemed secure, if you select the right algorithm).
Don't use ECB-mode. It encrypts each ...
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
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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
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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
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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
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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...
Android Studio: how to remove/update the “Created by” comment added to all new classes?
... directly.
2) Select the Templates tab and edit the #parse("File Header.java") line for any template that you desire.
Personally I followed option 1) and made the default header comment a TODO, e.g.
/**
* TODO: Add a class header comment!
*/
These instructions are based on Android Studio ...