I use this line to show my ConfirmDialog int yn = JOptionPane.showConfirmDialog(frame.getParent(), scrollPane, “stuffs”, JOptionPane.OK_CANCEL_OPTION); In that ConfirmDialog I have …
Declaring a List field with the final keyword
If I have the following statement within a class where Synapse is an abstract type: Does final allow me to still be able to change the state of the Synapse objects in the List, but prevent me from adding new Synapse objects to the list? If I am wrong, could you please explain what final is doing and when I
Efficient implementation for: “Python For Else Loop” in Java
In Python there is an efficient for .. else loop implementation described here Example code: In Java I need to write more code to achieve the same behavior: Is there any better implementation similar to Python for .. else loop in Java? Answer It’s done like this:
How to login to a spring security login form using cURL?
I am working on a springMVC project in which the user authentication is based on spring security. the idea is to have a mobile (android) application to be able to send some sort of data to backend. So before get my hand dirty into android developing I decided to mock the situation of login form using cURL. th…
Selecting class by Maven build profile
I am quite new to Maven and Java EE programming all-together. I would like to create a stub class for authentication testing which should be activated in the default Maven build profile. Currently I have two classes with same name but in different packages. Is it possible to somehow select the correct class t…
java.util.NoSuchElementException – Scanner reading user input
I’m new to using Java, but I have some previous experience with C#. The issue I’m having comes with reading user input from console. I’m running into the “java.util.NoSuchElementException” error with this portion of code: I have two functions that get user input: PromptCustomerQt…
Exclude individual test from ‘before’ method in JUnit
All tests in my test class execute a ‘before’ method (annotated with JUnit’s @Before) before the execution of each test. I need a particular test not to execute this before method. Is there a way to do it? Answer Unfortunately you have to code this logic. JUnit does not have such feature. Ge…
Posting image to wcf rest service from Android
I’m having a problem to post a image to my wcf rest service. I’m posting some parameters of which one of them is a base64 utf-8 encoded string (the image). My problem is that every time I post I get “bad request”. Here is the code It is something with the encoded string, but what? Answ…
A shortcut to select a line in Eclipse?
Is there a keyboard shortcut to select all the line your cursor is currently on? In Eclipse? Or even in general on Windows/Linux? Answer Solution for Eclipse: Hold Alt and press ↑ and ↓. Alt + ↑ and ↓ will move an entire line up or down, so just move it back and you end up with the entire line
Why does p:panelGrid not work with ui:repeat?
If I use as below, I get no error, no output. Why does p:panelGrid not work with ui:repeat? Note : I don’t want to use c:forEach because of the I already face a lot of JSF issue. MyBean.java Expected output with primefaces Answer ui:repeat will not work because it does not actually add components to the…