Life Long Programmer's Community Log: 2014-05-04

Four solutions to the LazyInitializationException – Part 1 | Java Code Geeks http://ift.tt/A5FkNC...

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Four solutions to the LazyInitializationException – Part 1 | Java Code Geeks

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Four solutions to the LazyInitializationException – Part 1 | Java Code Geeks

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java - Spring injection Into Servlet - Stack Overflow I created a parent abstract servlet class that...

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java - Spring injection Into Servlet - Stack Overflow

I created a parent abstract servlet class that retrieves the Spring context, gets and autowiring-capable factory and uses that factory to autowire the servlet instances (the subclasess, actually). I also store the factory as an instance variable in case the subclasses need it.

So the parent abstract servlet looks like this:

public abstract class AbstractServlet extends HttpServlet {

protected AutowireCapableBeanFactory ctx;

@Override

public void init() throws ServletException {

super.init();

ctx = ((ApplicationContext) getServletContext().getAttribute(

"applicationContext")).getAutowireCapableBeanFactory();

//The following line does the magic

ctx.autowireBean(this);

}

}http://ift.tt/1l0IrXT

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java - Spring injection Into Servlet - Stack Overflow

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Reshared post from Jeffery yuan:

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Original Post from Jeffery yuan:

Suggestion to G+ in Android: Easily copy text and share post to other application s.

Niw we can share pictures to other apps via share intention.

This is an useful feature. It would be be great if we can also share whole post.

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Suggestion to G+ in Android: Easily copy text and share post to other application s. Now we can share...

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Suggestion to G+ in Android: Easily copy text and share post to other application s.

Now we can share pictures to other apps via share intention.

This is an useful feature. It would be be great if we can also share whole post.

We can copy whole text in one post, but it would be better if we can copy a range of text when we long push on some text.

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2 driver classes in the latest MySQL JDBC drive... | Community After adding this line to the "drivers...

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2 driver classes in the latest MySQL JDBC drive... | Community

After adding this line to the "drivers" section in the subsystem "datasources" in standalone.xml the stacktrace is gone:

<driver-class>com.mysql.jdbc.Driver</driver-class>http://ift.tt/1g52h8F

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2 driver classes in the latest MySQL JDBC drive... | Community

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Adding a MySQL datasource to JBoss AS 7 | zorq http://ift.tt/1g52fgS...

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Adding a MySQL datasource to JBoss AS 7 | zorq

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Adding a MySQL datasource to JBoss AS 7 | zorq

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Differences between XA and Non XA Data sources An XA transaction, in the most general terms, is a "global...

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Differences between XA and Non XA Data sources

An XA transaction, in the most general terms, is a "global transaction" that may span multiple resources. A non-XA transaction always involves just one resource.

An XA transaction involves a coordinating transaction manager, with one or more databases (or other resources, like JMS) all involved in a single global transaction. Non-XA transactions have no transaction coordinator, and a single resource is doing all its transaction work itself (this is sometimes called local transactions). http://ift.tt/1iy9kFs

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Differences between XA and Non XA Data sources

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JBoss AS 7 introduction - jboss as 7 - JBoss application server tutorials http://ift.tt/1iy9eO7...

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JBoss AS 7 introduction - jboss as 7 - JBoss application server tutorials

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JBoss AS 7 introduction - jboss as 7 - JBoss application server tutorials

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Steve Hardie » Powershell: Delete File if Exists Powershell script to delete a file if it already exists...

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Steve Hardie » Powershell: Delete File if Exists

Powershell script to delete a file if it already exists:

If (Test-Path $strFileName){

Remove-Item $strFileName

}http://ift.tt/1saWs9p

http://ift.tt/1iy9gWr

Steve Hardie » Powershell: Delete File if Exists

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Why Get-Content Ain’t Yer Friend | PowerShell.org $file = New-Object System.IO.StreamReader -Arg "test.txt...

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Why Get-Content Ain’t Yer Friend | PowerShell.org

$file = New-Object System.IO.StreamReader -Arg "test.txt"

while ($line = $file.ReadLine()) {

# $line has your line

}

$file.close()http://ift.tt/1saWqOL

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Why Get-Content Ain’t Yer Friend | PowerShell.org

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jboss7.x - I want to change port no in jboss-7? - Stack Overflow The file is jboss/standalone/configuration...

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jboss7.x - I want to change port no in jboss-7? - Stack Overflow

The file is jboss/standalone/configuration/standalone.xml. Find <socket-binding-group> and <socket-binding> there.

When starting use

- for linux

./standalone.sh -b 0.0.0.0 -Djboss.socket.binding.port-offset=1000 &

- for windows

standalone.bat -Djboss.socket.binding.port-offset=1000

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Hi every one i am using jboss-7 i want to change port no 8080 to 7001 but i don't no which file we have to change. Thanks vivek

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Improve your life Through Science and Art: JPA: Thread-safety when injecting EntityManager One way to...

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Improve your life Through Science and Art: JPA: Thread-safety when injecting EntityManager

One way to fix this is to inject EntityManagerFactory instead. EntityManagerFactory is guaranteed to be thread-safe. For example:

? (Link->http://ift.tt/1osMiEr) 123456789101112public class EMTestServlet extends HttpServlet { //This field injection is thread-safe @PersistenceUnit private EntityManagerFactory emf; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { EntityManager em = emf.createEntityManager(); //work with em }}http://ift.tt/1osMiEr

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Improve your life Through Science and Art: JPA: Thread-safety when injecting EntityManager

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Spring 3 MVC and JSON example http://ift.tt/1nuuaXj...

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Spring 3 MVC and JSON example

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Spring 3 MVC and JSON example

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How to deploy pre compiled java applications (WAR and EAR files) onto your OpenShift gear using the ...

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How to deploy pre compiled java applications (WAR and EAR files) onto your OpenShift gear using the java cartridges | OpenShift by Red Hat

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How to deploy pre compiled java applications (WAR and EAR files) onto your OpenShift gear using the java cartridges | OpenShift by Red Hat

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openshift rhc setup using multiple accounts - Stack Overflow rhc command line tools come with the global...

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openshift rhc setup using multiple accounts - Stack Overflow

rhc command line tools come with the global option "-l, --rhlogin LOGIN". You have two options:

1) Use -l flag with every command to specify the login name OR

rhc app create <appname> <cartridge> [-l username1/username2]

2) Run "rhc setup -l LOGIN" between the sessions. Once done managing apps from one account you can end the session for it by running "rhc account logout".

rhc setup -l username1

rhc app create <appname> <cartridge>

rhc account logout

rhc setup -l username2

When you can "rhc setup" command, the username information gets stored in .openshift/express.conf file; hence the need to run it again when you want to switch the account.http://ift.tt/1l4pbf5

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openshift rhc setup using multiple accounts - Stack Overflow

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openshift/spring-eap6-quickstart This project is setup to allow you to create a compliant Spring 3.1...

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openshift/spring-eap6-quickstart

This project is setup to allow you to create a compliant Spring 3.1 application using Spring MVC, JPA 2.0 and Bean Validation 1.0. It includes a persistence unit and some sample persistence and transaction code to introduce you to database access in enterprise Java.

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openshift/spring-eap6-quickstart

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My Wiki: Deploy a Java EE application on OpenShift Express (with AS7 support) http://jaitechwriteups...

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My Wiki: Deploy a Java EE application on OpenShift Express (with AS7 support)

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My Wiki: Deploy a Java EE application on OpenShift Express (with AS7 support)

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html - How do I scroll to an element using JavaScript? - Stack Overflow scrollIntoView works well: ...

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html - How do I scroll to an element using JavaScript? - Stack Overflow

scrollIntoView works well:

element = document.getElementById("divFirst")

alignWithTop = true;

element.scrollIntoView(alignWithTop);

full reference in the MDN docs:

http://ift.tt/1kQcH9d (Link->http://ift.tt/1kQcFy8) http://ift.tt/1kQcFya

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html - How do I scroll to an element using JavaScript? - Stack Overflow

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java - Easy way to change Iterable into Collection - Stack Overflow With Sets.newHashSet(Iterable) (...

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java - Easy way to change Iterable into Collection - Stack Overflow

With Sets.newHashSet(Iterable) (Link->http://ift.tt/1kQcGSL) , among other similar methods. This will of course copy all the elements in to memory. If that isn't acceptable, I think your code that works with these ought to take Iterable rather than Collection. Guava also happens to provide convenient methods for doing things you can do on a Collection using an Iterable (such as Iterables.isEmpty(Iterable) or Iterables.contains(Iterable, Object)), but the performance implications are more obviouhttp://http://ift.tt/1qjLp27

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java - Easy way to change Iterable into Collection - Stack Overflow

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Parsing, Modifying, and outputting XML Documents with Java http://ift.tt/1qjLqmu...

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Parsing, Modifying, and outputting XML Documents with Java

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Parsing, Modifying, and outputting XML Documents with Java

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html - Prevent copying text in web-page - Stack Overflow -webkit-user-select: none; -khtml-user-select...

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html - Prevent copying text in web-page - Stack Overflow

-webkit-user-select: none;

-khtml-user-select: none;

-moz-user-select: none;

-ms-user-select: none;

-o-user-select: none;

user-select: none;http://ift.tt/1nseeos

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html - Prevent copying text in web-page - Stack Overflow

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Attach Library Sources

<plugin>

<groupId>org.apache.maven.plugins</groupId>

<artifactId>maven-eclipse-plugin</artifactId>

<version>2.9</version>

<configuration>

<downloadSources>true</downloadSources>

<downloadJavadocs>true</downloadJavadocs>

</configuration>

</plugin>http://ift.tt/17RDdet

http://ift.tt/1nsebZE

Attach Library Sources

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4 Different Styles For the Popular Posts Widget | Helplogger How to add the CSS to create the style ...

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4 Different Styles For the Popular Posts Widget | Helplogger

How to add the CSS to create the style of the Popular Posts widget

1. Choose a style, then copy the CSS that appears below the image that shows the style.

2. Select the "Template" tab, then click on Customize > Advanced > Add CSS and then paste the CSS style that you like the most.http://ift.tt/SE9Vfu

http://ift.tt/1nsedRp

4 Different Styles For the Popular Posts Widget | Helplogger

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Disk Quota Exceeded... Now What? | OpenShift by Red Hat KB-E1089 Issue: So you just finished writing...

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Disk Quota Exceeded... Now What? | OpenShift by Red Hat

KB-E1089

Issue:

So you just finished writing your latest bit of code and it works on your local system and now you're ready to deploy. You add your files, write a good commit message, type the notorious "git push" and of course, hit enter with a little extra oomph. Your excited, and you're watching the deployment happen, but then all of the sudden you're greeted with:

remote: error: unable to create temporary file: Disk quota exceeded

What? Disk quota exceeded - How did that happen?http://ift.tt/1jCUfCE

http://ift.tt/1s5Gbma

Disk Quota Exceeded... Now What? | OpenShift by Red Hat

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Linux: TMOUT To Automatically Log Users Out Linux bash shell allows you to define the TMOUT environment...

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Linux: TMOUT To Automatically Log Users Out

Linux bash shell allows you to define the TMOUT environment variable. Set TMOUT to automatically log users out after a period of inactivity. The value is defined in seconds. For example,

export TMOUT=120

To disable auto-logout, just set the TMOUT to zero or unset it as follows:

$ export TMOUT=0

or

$ unset TMOUT

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Linux: TMOUT To Automatically Log Users Out

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Day 28: OpenShift Eclipse Integration for Java Developers | Openshift Blog Today for my 30 days challenge...

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Day 28: OpenShift Eclipse Integration for Java Developers | Openshift Blog

Today for my 30 days challenge (Link->http://ift.tt/1b6hAXa) I decided to write about OpenShift Eclipse integration. The application will run on OpenShift, and from the onset we will be using the OpenShift Eclipse plugin to develop and deploy the application. We will be using Eclipse Kepler for most of the series, please download Eclipse Kepler before moving ahead. Lets gets started!

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Day 28: OpenShift Eclipse Integration for Java Developers | Openshift Blog

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Activate extension via short cut key - Stack Overflow UPDATE (5/24/2013): You can use the new (Link...

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Activate extension via short cut key - Stack Overflow

UPDATE (5/24/2013): You can use the new (Link->http://ift.tt/1uDoZII) API, which provides built-in framework support for keyboard commands.

Original answer follows:

Step 1: Use a content script (Link->http://ift.tt/1j5fTuJ) to bind a keypress listener to every page.

// in the content script, listen for Crtl+Shift+E (upper or lowercase)

document.documentElement.addEventListener("keypress", function(event) {

if((e.keyCode == 69 || e.keyCode == 101) && e.ctrlKey && e.shiftKey) {

// do something (step 2, below)

}

}, true);

Step 2: For action outside of the content script, use message passing (Link->http://ift.tt/1j5fVTs) to notify the background page that the shortcut key has been pressed and it should perform some action.

Step 3: The background page does some action. It's currently not possible (and will likely desktop notification (Link->http://ift.tt/1uDoZIM) , open a new tab, or do a lot of other things.http://ift.tt/1j5fVTw

http://ift.tt/1uDp13f

Activate extension via short cut key - Stack Overflow

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version number - How can I tell which Google Chrome channel I'm running? - Super User Try chrome://...

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version number - How can I tell which Google Chrome channel I'm running? - Super User

Try chrome://version/

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version number - How can I tell which Google Chrome channel I'm running? - Super User

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keyboard events - Detecting arrow key presses in JavaScript - Stack Overflow document.onkeydown = function...

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keyboard events - Detecting arrow key presses in JavaScript - Stack Overflow

document.onkeydown = function() {

switch (window.event.keyCode) {

case 37:

alert('left');

break;

case 38:

alert('up');

break;

case 39:

alert('right');

break;

case 40:

alert('down');

break;

}

};

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keyboard events - Detecting arrow key presses in JavaScript - Stack Overflow

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Java By Sailendra: How to iterate Properties Files in Java? 1. Properties props = System.getProperties...

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Java By Sailendra: How to iterate Properties Files in Java?

1. Properties props = System.getProperties();

for (String key : props .stringPropertyNames())

{

System.out.println(key + " = " + props .getProperty(key));

}

2. Properties props = System.getProperties();

Enumeration e = props.propertyNames();

while (e.hasMoreElements())

{

String key = (String) e.nextElement();

System.out.println(key + " = " + props.getProperty(key));

}http://ift.tt/1npdVuq

http://ift.tt/1mDbZBA

Java By Sailendra: How to iterate Properties Files in Java?

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js-uri - A JavaScript implementation of an URI object. - Google Project Hosting URI objects are handy...

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js-uri - A JavaScript implementation of an URI object. - Google Project Hosting

URI objects are handy things for manipulating URLs. They let you parse and resolve URIs quickly and easily. e.g.

var some_uri = new URI("http://ift.tt/1fPSS4h");

alert(some_uri.authority); // www.example.com

alert(some_uri); // http://ift.tt/1fPSS4h

var blah = new URI("blah");

var blah_full = blah.resolve(some_uri);

alert(blah_full); // http://ift.tt/1oqN6Ge

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js-uri - A JavaScript implementation of an URI object. - Google Project Hosting

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javascript - Remove querystring from URL - Stack Overflow function stripQueryStringAndHashFromPath(url...

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javascript - Remove querystring from URL - Stack Overflow

function stripQueryStringAndHashFromPath(url) {

return url.split("?")[0].split("#")[0];

}

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javascript - Remove querystring from URL - Stack Overflow

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yeoman/generator-chromeapp (Link->#getting-started) Getting Started First make a new directory, and ...

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yeoman/generator-chromeapp

(Link->#getting-started) Getting Started

First make a new directory, and cd into it: mkdir my-new-chromeapp && cd $_

Install the generator: npm install -g generator-chromeapp

Run: yo chromeapp

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yeoman/generator-chromeapp

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How do I troubleshoot application issues using the logs? | OpenShift by Red Hat http://ift.tt/11iDe6x...

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How do I troubleshoot application issues using the logs? | OpenShift by Red Hat

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How do I troubleshoot application issues using the logs? | OpenShift by Red Hat

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Reshared post from Cristiano Ronaldo - Ronaldo7.net:

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Original Post from Cristiano Ronaldo - Ronaldo7.net:

«It is my conviction that there are no limits to learning and improving. It can never stop, no matter what our age is.»

— Cristiano Ronaldo

• www.RONALDO7.net

ronaldo-muscles.jpg.jpg

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Debugging a Maven Build with mvnDebug > mvnDebug clean install Preparing to Execute Maven in Debug ...

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Debugging a Maven Build with mvnDebug

> mvnDebug clean install

Preparing to Execute Maven in Debug Mode

Listening for transport dt_socket at address: 8000

This ends up being the equivalent of invoking java with the proper debugging arguments:

java ... -Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=y

OR:

MAVEN_OPTS = -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=4000,server=y,suspend=y

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Debugging a Maven Build with mvnDebug

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Run Jetty in the Maven life-cycle

<groupId>org.mortbay.jetty</groupId>

<artifactId>jetty-maven-plugin</artifactId>

<version>8.1.9.v20130131</version>

<configuration>

<stopKey>STOP</stopKey>

<stopPort>9999</stopPort>

<scanIntervalSeconds>5</scanIntervalSeconds>

</configuration>

</plugin>

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Run Jetty in the Maven life-cycle

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Android Studio Tips : Quick Getter and Setter generator | IT DEV BLOG Using Alt+Insert (Code | Generate...

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Android Studio Tips : Quick Getter and Setter generator | IT DEV BLOG

Using Alt+Insert (Code | Generate) in the editor, you may easily generate getter and setter methods for any fields of your class.

(Link->http://ift.tt/1iXmesc)

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Android Studio Tips : Quick Getter and Setter generator | IT DEV BLOG

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unicode - Android WebView UTF-8 not showing - Stack Overflow Use: mWebView.loadDataWithBaseURL(null...

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unicode - Android WebView UTF-8 not showing - Stack Overflow

Use:

mWebView.loadDataWithBaseURL(null, "將賦予他們的傳教工作標示為", "text/html", "utf-8", null);

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unicode - Android WebView UTF-8 not showing - Stack Overflow

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Android - detect whether there is an Internet connection available - Stack Overflow The getActiveNetworkInfo...

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Android - detect whether there is an Internet connection available - Stack Overflow

The getActiveNetworkInfo() method of ConnectivityManager returns a NetworkInfo instance representing the first connected network interface it can find or null if none if the interfaces are connected. Checking if this method returns null should be enough to tell if an internet connection is available.

private boolean isNetworkAvailable() {

ConnectivityManager connectivityManager

= (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();

return activeNetworkInfo != null && activeNetworkInfo.isConnected();

}

You will also need:

<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

in your android manifest.

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Android - detect whether there is an Internet connection available - Stack Overflow

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gradle - Duplicate files copied (Android Studio 0.4.0) - Stack Overflow android { packagingOptions {...

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gradle - Duplicate files copied (Android Studio 0.4.0) - Stack Overflow

android {

packagingOptions {

exclude 'META-INF/DEPENDENCIES'

exclude 'META-INF/NOTICE'

exclude 'META-INF/LICENSE'

exclude 'META-INF/LICENSE.txt'

exclude 'META-INF/NOTICE.txt'

}

// ...

}

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gradle - Duplicate files copied (Android Studio 0.4.0) - Stack Overflow

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how to programmatically hide a button in android sdk - Stack Overflow playButton.setVisibility(View.INVISIBLE...

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how to programmatically hide a button in android sdk - Stack Overflow

playButton.setVisibility(View.INVISIBLE);

or -

playButton.setVisibility(View.GONE);

show it again with -

playButton.setVisibility(View.VISIBLE);

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how to programmatically hide a button in android sdk - Stack Overflow

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ide - What is the shortcut to Auto import all in Android Studio? - Stack Overflow You can go to File...

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ide - What is the shortcut to Auto import all in Android Studio? - Stack Overflow

You can go to File -> Settings -> Editor -> Auto Import -> Java and make the following changes:

change Insert imports on paste value to All

markAdd unambigious imports on the fly option as checked

(Or, on a Mac, do the same thing in Preferences)

After this all unmabigious imports will be added automaticaly.

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ide - What is the shortcut to Auto import all in Android Studio? - Stack Overflow

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Android Intents with Chrome - Google Chrome

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Android Intents with Chrome - Google Chrome

<a href="intent://scan/#Intent;scheme=zxing;package=com.google.zxing.client.android;end"> Take a QR code </a>

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Android Intents with Chrome - Google Chrome

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jquery - Is there any way in Android to force open a link to open in Chrome? - Stack Overflow This ...

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jquery - Is there any way in Android to force open a link to open in Chrome? - Stack Overflow

This code should do:

try {

Intent i = new Intent("android.intent.action.MAIN");

i.setComponent(ComponentName.unflattenFromString("com.android.chrome/com.android.chrome.Main"));

i.addCategory("android.intent.category.LAUNCHER");

i.setData(Uri.parse("http://mysuperwebsite"));

startActivity(i);

}

catch(ActivityNotFoundException e) {

// Chrome is probably not installed

}

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jquery - Is there any way in Android to force open a link to open in Chrome? - Stack Overflow

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