Tagged Questions

1
vote
2answers
58 views

How do i make the output come in different columns?

Im making a program that outputs, the numbers 1-10 in one column, the square of this in another and in the third the number in cube. How can i make the program a little nicer so the columns really ...
0
votes
0answers
49 views

How to add/remove dynamic column to/from celltable?

I am using gwt celltable. My columns are configurable through other module. used AsyncDataProvider to update row data. Is there any way in celltable to updateColumnData only? so that newly added ...
-2
votes
1answer
62 views

Extracting each column of a matrix from file in Java [closed]

suppose I have a very big matrix (100,000 x 50,000) in a txt file. for example a small matrix :: 1 0 0 0 1 0 1 1 0 0 0 0 1 0 1 I want to write a function using Java which will take the column ...
3
votes
1answer
53 views

JOOQ concatenation

I have a query like this: Result<?> result = create.select(CONSUMER.CONS_ID_NO, CONSUMER.CONS_NAME, ...
1
vote
0answers
99 views

How PDFBox detect columns?

I'm trying to extract text from pdf documents. I've tested several tools like PDFBox, TET, PDFTextStream and so on, but none of them is good for extracting the text of Persian multi-columns pdf ...
0
votes
2answers
183 views

JPA @JoinTable - Three ID Columns

I have a situation that is quite similar to the one outlined in this question's diagram: JPA. JoinTable and two JoinColumns, although with different issues. I have three tables: Function, Group, and ...
2
votes
2answers
240 views

Java tree with columns

I have a task to create java tree, with three columns: Sport name, Count of sports which are in sport category, and last update. Something similar is dispayed on image bellow: As you can see, there ...
0
votes
4answers
841 views

JAVA: Sort ArrayList<ArrayList<Integer>> on multiple columns

First, I did do my homework searching before posting here. My requirement seems to be slightly different compared to questions posted out there. I have a matrix like ...
1
vote
2answers
20k views

Read CSV file column by column java

I want to read specific columns from a multi column csv file and print those columns in other csv file using Java. Any help please? Following is my code to print each token line by line..But I am ...
2
votes
1answer
233 views

How to add multiple columns in ListSelectionDialog in eclipse?

I am creating a dialog by extending org.eclipse.ui.dialogs.ListSelectionDialog While overriding createDialogArea(Composite parent) if I call super.createDialogArea(parent) and create 3 columns in the ...
0
votes
1answer
1k views

Creating a multiple column combobox in Java

I need to create a ComboBox in Java that will have information in a column on the left and a Checkbox in a column on the right so that a user can select multiple items in the ComboBox. This needs to ...