If you want to build Java EE applications, it&#39;s best to use [**Eclipse IDE for Java EE**][1]. It has editors from HTML to JSP/JSF, Javascript. It&#39;s rich for webapps development, and provide plugins and tools to develop Java EE applications easily (all bundled).

[Eclipse Classic][2] is basically the full featured Eclipse without the Java EE part.


  [1]: http://www.eclipse.org/downloads/moreinfo/jee.php
  [2]: http://www.eclipse.org/downloads/moreinfo/classic.php

I&#39;m writing tests for a function like next one:

    def foo():
        print &#39;hello world!&#39;

So when I want to test this function the code will be like this:
    
    import sys
    from foomodule import foo
    def test_foo():
        foo()
        output = sys.stdout.getline().strip() # because stdout is an StringIO instance
        assert output == &#39;hello world!&#39;

But if I run nosetests with -s parameter the test crashes. How can I catch the output with unittest or nose module?


        

How to assert output with nosetest/unittest in python?

I am trying to add a width to a `div`, but I seem to be running into a problem because it has no content.

Here is the CSS and HTML I have so far, but it is not working:

## CSS

    body{
    margin:0 auto;
    width:1000px
    }
    ul{
    width:800px;
    }
    ul li{
    clear:both;
    }
    .test1{
    width:200px;
    float:left;
    }

## HTML

    &lt;body&gt;
      &lt;div id=&quot;test&quot;&gt;
        &lt;ul&gt;
          &lt;li&gt;
            &lt;div class=&quot;test1&quot;&gt;width1&lt;/div&gt;
            &lt;div class=&quot;test1&quot;&gt;width2&lt;/div&gt;
            &lt;div class=&quot;test1&quot;&gt;width3&lt;/div&gt;
          &lt;/li&gt;
          &lt;li&gt;
            &lt;div class=&quot;test1&quot;&gt;&lt;/div&gt;
            &lt;div class=&quot;test1&quot;&gt;width2&lt;/div&gt;
            &lt;div class=&quot;test1&quot;&gt;width3&lt;/div&gt;
          &lt;/li&gt;
          &lt;li&gt;
            &lt;div class=&quot;test1&quot;&gt;&lt;/div&gt;
            &lt;div class=&quot;test1&quot;&gt;width2&lt;/div&gt;
            &lt;div class=&quot;test1&quot;&gt;width3&lt;/div&gt;
          &lt;/li&gt;
        &lt;/ul&gt;
     &lt;/div&gt;
   &lt;/body&gt;




How to make a div with no content have a width?

What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?

Both are marked as version 3.6.

Which one should I use?

What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?

What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?
Both are marked as version 3.6.
Which one should I use?

The statement is

    SELECT * FROM tableA WHERE x = ?

and the parameter is inserted via java.sql.PreparedStatement &#39;stmt&#39;

    stmt.setString(1, y); // y may be null

If `y` is null, the statement returns no rows in every case because `x = null` is always false (should be `x IS NULL`).
One solution would be

    SELECT * FROM tableA WHERE x = ? OR (x IS NULL AND ? IS NULL)

But then i have to set the same parameter twice. Is there a better solution?

Thanks!

How to deal with (maybe) null values in a PreparedStatement?

Following the javadocs, I have tried to scale a `BufferedImage` without success here is my code:

    BufferedImage image = MatrixToImageWriter.getBufferedImage(encoded);
    Graphics2D grph = image.createGraphics();
    grph.scale(2.0, 2.0);
    grph.dispose();

I can&#39;t understand why it is not working, any help?

How to scale a BufferedImage

So, I&#39;m creating a mock object as a static variable on the class level like so...  In one test, I want `Foo.someMethod()` to return a certain value, while in another test, I want it to return a different value.  The problem I&#39;m having is that it seems I need to rebuild the mocks to get this to work correctly.  I&#39;d like to avoid rebuilding the mocks, and just use the same objects in each test. 

    class TestClass {

        private static Foo mockFoo;
    
        @BeforeClass
        public static void setUp() {
            mockFoo = mock(Foo.class);
        }

        @Test
        public void test1() {
            when(mockFoo.someMethod()).thenReturn(0);

            TestObject testObj = new TestObject(mockFoo);

            testObj.bar(); // calls mockFoo.someMethod(), receiving 0 as the value

        }

        @Test
        public void test2() {
            when(mockFoo.someMethod()).thenReturn(1);

            TestObject testObj = new TestObject(mockFoo);

            testObj.bar(); // calls mockFoo.someMethod(), STILL receiving 0 as the value, instead of expected 1.

        }
    
    }

In the second test, I&#39;m still receiving 0 as the value when testObj.bar() is called... What is the best way to resolve this?  Note that I know I could use a different mock of `Foo` in each test, however, I have to chain multiple requests off of `mockFoo`, meaning I&#39;d have to do the chaining in each test.

How to tell a Mockito mock object to return something different the next time it is called?

What is the best way to convert a `String` in the format &#39;January 2, 2010&#39; to a `Date` in Java?

Ultimately, I want to break out the month, the day, and the year as integers so that I can use

    Date date = new Date();
    date.setMonth()..
    date.setYear()..
    date.setDay()..
    date.setlong currentTime = date.getTime();

to convert the date into time.


Java string to date conversion

I was wondering, when creating new `Activity` classes and then overriding the `onCreate()` method, in eclipse I always get auto added: `super.onCreate()`. How does this happen? Is there a java keyword in the abstract or parent class that forces this?

I don&#39;t know if it is illegal not to call the super class, but I remember in some methods that I got a exception thrown for not doing this. Is this also built-in into java? Can you use some keyword to do that? Or how is it done?

How to force derived class to call super method? (Like Android does)

I have the following boxes:

a) A Windows box with Eclipse CDT,  
b) A Linux box, accessible for me only via SSH.

Both the compiler and the hardware required to build and run my project is only on machine B.

I&#39;d like to work &quot;transparently&quot; from a Windows box on that project using Eclipse CDT and be able to build, run and debug the project remotely from within the IDE.

How do I set up that:

- The building will work? Any simpler solutions than writing a local makefile which would `rsync` the project and then call a remote makefile to initiate the actual build? Does Eclipse managed build have a feature for that?
- The debugging will work?
- Preferably - the Eclipse CDT code indexing will work? Do I have to copy all required header files from machine B to machine A and add them to include path manually?



Work on a remote project with Eclipse via SSH

Is it possible to disable completely the secure storage password of Eclipse? I am running Eclipse Helios on Windows 7.

Eclipse secure storage

I am getting this error in java in my junit test code. I looked up on the net and it says that I need to add the junit.jar in the classpath.

In Eclipse I have added it in the classpath of Project Properties windows but I still get initialisation error. What should I do..?

This is the complete trace of the error:

    java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
    	at java.lang.ClassLoader.defineClass1(Native Method)
    	at java.lang.ClassLoader.defineClassCond(Unknown Source)
    	at java.lang.ClassLoader.defineClass(Unknown Source)
    	at java.security.SecureClassLoader.defineClass(Unknown Source)
    	at java.net.URLClassLoader.defineClass(Unknown Source)
    	at java.net.URLClassLoader.access$000(Unknown Source)
    	at java.net.URLClassLoader$1.run(Unknown Source)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at java.net.URLClassLoader.findClass(Unknown Source)
    	at java.lang.ClassLoader.loadClass(Unknown Source)
    	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    	at java.lang.ClassLoader.loadClass(Unknown Source)
    	at org.junit.internal.builders.JUnit4Builder.runnerForClass(JUnit4Builder.java:13)
    	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
    	at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:29)
    	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
    	at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:24)
    	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.&lt;init&gt;(JUnit4TestReference.java:32)
    	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestClassReference.&lt;init&gt;(JUnit4TestClassReference.java:25)
    	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:41)
    	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:31)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
    Caused by: java.lang.ClassNotFoundException: org.hamcrest.SelfDescribing
    	at java.net.URLClassLoader$1.run(Unknown Source)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at java.net.URLClassLoader.findClass(Unknown Source)
    	at java.lang.ClassLoader.loadClass(Unknown Source)
    	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    	at java.lang.ClassLoader.loadClass(Unknown Source)
    	... 25 more


java.lang.NoClassDefFoundError in junit

I&#39;m installing the Android SDK on a fresh installation of Fedora 14 (Linux). I installed eclipse, and ran the tools/android sdk tool to install all the Eclipse components for the SDK. I was able to get DDMS to install when selecting it by itself.

And for the last component - the Android developer tools, I&#39;m getting the ugly error message pasted below. 

Now I&#39;m Stuck in Eclipse dependency hell. 

I&#39;ve searched through the available packages in Fedora and I can&#39;t find the one that has the files necessary to satisfy this Eclipse dependency. Can anybody please translate what it is that Eclipse is asking for and what Fedora package it lives in?


The ugly error:

&lt;!-- language: lang-none --&gt;

    Cannot complete the install because one or more required items could not be found.
      Software being installed: Android Development Tools 0.9.9.v201009221407-60953 (com.android.ide.eclipse.adt.feature.group 0.9.9.v201009221407-60953)
      Missing requirement: Android Development Tools 0.9.9.v201009221407-60953 (com.android.ide.eclipse.adt.feature.group 0.9.9.v201009221407-60953) requires &#39;org.eclipse.wst.sse.core 0.0.0&#39; but it could not be found

ADT requires &#39;org.eclipse.wst.sse.core 0.0.0&#39; but it could not be found

We have a project set up with maven for resolving dependancies. It usually works fine, but now I am trying to compile and run it on a new PC and I have problem with missing dependencies in Eclipse.

What is funny is that if I run &quot;mvn package&quot; in console or in eclipse, it works fine and even produces war containing all necessary jars. Only Eclipse complains with &quot;The project was not built since its build path is incomplete. Cannot find the class file for org.slf4j.Logger...&quot;. If I compare the project with some other computer (where project works fine), I notice that there are quite a few libraries missing under &quot;Maven dependencies&quot; listing in Eclipse. Eventhough they are in the packaged war and they can be found also under repository folder.

So, the jar-s are there just Eclipse won&#39;t list them all under &quot;Maven dependencies&quot;. What can I do?

Computer is running on Windows 7 with 64bit java &amp; eclipse.

Missing Maven dependencies in Eclipse project

I&#39;ve just started reading through [Core JavaServer Faces, 3rd Ed.](http://horstmann.com/corejsf/) and they say this (emphasis mine):

&gt; It is a historical accident that there are two separate mechanisms, CDI beans
and JSF managed beans, for beans that can be used in JSF pages. **We suggest
that you use CDI beans** unless your application must work on a plain servlet
runner such as Tomcat.

Why? They don&#39;t provide **any** justification. I&#39;ve been using `@ManagedBean` for all the beans in a prototype application running on GlassFish 3, and I haven&#39;t really noticed any issues with this. I don&#39;t especially mind migrating from `@ManagedBean` to `@Named`, but I want to know **why I should bother**.

Backing beans (@ManagedBean) or CDI Beans (@Named)?

What is the use of web.xml and why do we use?

    &lt;filter&gt;
    		&lt;filter-name&gt;wicket.mysticpaste&lt;/filter-name&gt;
     		&lt;filter-class&gt;org.apache.wicket.protocol.http.WicketFilter&lt;/filter-class&gt;
    		&lt;init-param&gt;
    			&lt;param-name&gt;applicationClassName&lt;/param-name&gt;
    			&lt;param-value&gt;com.mysticcoders.WicketApplication&lt;/param-value&gt;
     		&lt;/init-param&gt;
     	&lt;/filter&gt;
    
     &lt;filter-mapping&gt;
      &lt;filter-name&gt;wicket.mysticpaste&lt;/filter-name&gt;
    	&lt;url-pattern&gt;/*&lt;/url-pattern&gt;
     &lt;/filter-mapping&gt;

What does this filer and filermapping do? 

Why do we use web.xml?

I&#39;m using Java and I want to keep a servlet continuously running in my application, but I&#39;m not getting how to do it. My servlet has a method which gives counts of the user from a database on a daily basis as well as the total count of the users from the whole database. So I want to keep the servlet continuously running for that.

How to run a background task in a servlet based web application?

I would like to know the detailed difference between the Expression Languages (EL). 
There is JSP EL, JSF EL and Unified EL.

I would like to know the history behind the EL and what the latest EL is that is used in Java EE applications. Is it the EL common for all view technologies in the latest versions?

Difference between JSP EL, JSF EL and Unified EL

I am writing a `JACC` provider.

Along the way, this means implementing a [`PolicyConfiguration`](http://download.oracle.com/javaee/6/api/javax/security/jacc/PolicyConfiguration.html).

The `PolicyConfiguration` is responsible for accepting configuration information from the application server, such as which permissions accrue to which roles.  This is so that a [`Policy`](http://download.oracle.com/javase/6/docs/api/java/security/Policy.html) later on can make authorization decisions when handed [information about the current user](http://download.oracle.com/javase/6/docs/api/java/security/ProtectionDomain.html) and what he&#39;s trying to do.

However, it is not part of the `PolicyConfiguration`&#39;s (atrocious) contract to maintain a mapping between roles and their permissions, and `Principals` that are assigned to those roles.

Typically--always, really--an application server houses this mapping.  For example, on Glassfish, you affect this mapping by supplying things like `sun-web.xml` and `sun-ejb-jar.xml` and so on with your Java EE modules.  (These vendor-specific files are responsible for saying, e.g., `superusers` is a group that is to be assigned the application role of `admins`.)

I would like to reuse the functionality these files supply, and I would like to do so for as wide an array of application servers as possible.

Here is--totally arbitrarily--IBM&#39;s take on the matter, which appears to confirm my suspicion that what [I want to do is essentially impossible][1]. (More ammunition for my case that this particular Java EE contract is not worth the paper it&#39;s printed on.)

**My question:** how do I get at this principal-to-role-mapping information in--for starters--Glassfish and JBoss from within a `PolicyConfiguration`?  If there&#39;s a standard way to do it that I&#39;m unaware of, I&#39;m all ears.


  [1]: http://publib.boulder.ibm.com/infocenter/wasinfo/v6r0/index.jsp?topic=/com.ibm.websphere.express.doc/info/exp/ae/csec_jaccextensions.html

Content Type	Original Author	Original Content on Stackoverflow
Question	Tony the Pony	View Question on Stackoverflow
Solution 1 - Java	Buhake Sindi	View Answer on Stackoverflow

What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?

Java Problem Overview

Java Solutions

Solution 1 - Java

How to make a div with no content have a width?

How to assert output with nosetest/unittest in python?

Attributions