Enable MD2 Algorithm Only For A Particular Place And Not For Whole JVM
Jun 6, 2014
Is it possible to enable & disable "jdk.certpath.disabledAlgorithms" property programmatically. I want to remove all disabled Algorithms for some time and later I will enable it.
Or is it possible to enable only for a particular place & not in a JVM level. I want that Algorithm need to be enabled for a piece of code, but I don't want it to the remaining part of the application.
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Nov 17, 2014
Having some trouble coding this exercise in JAVA:
Build a backtracking algorithm to place n queens on a chess board of nxn, with no threat to any queen.
Using F=parameter, Print only the first result.
Using the same C=parameter, print every possible inlays.
This should work when running with a 4x4 board and an 8x8 board basically.
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Jul 28, 2014
I am developing one form in jsf/primefaces. I have two inputText(inputMask) for e.g moble number and telephone number. I want to restrict the user to put only one of these two fields . That means if user starts putting value in mobile no. then telephone no. field should be disabled and if user starts putting value in telephone no. then mobile no. field should be disabled.
how should I do this.
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Sep 11, 2014
I have a class that extends JFrame, within that, i have set up JPanel where within that i have four JComboBoxes, I am to enable this JPanel and its JComboBoxes at the end of a method
The code for that method is:
private void tableNumberJComboBoxItemStateChanged() {
// load data for table
try {
// get data for table
myResultSet = myStatement.executeQuery("SELECT * FROM"
+ "restauranttables WHERE tableNumber = " + Integer.parseInt(
selectedTableNumber));
[Code] ....
I am not sure how to enable this JPanel? I have another Jpanel to Disable but one question at a time i suppose.
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May 31, 2014
I am learning Java but have a strong C# background. I am trying to figure out the syntax to do this in Java. In C# I would do the following to enable all text boxes in a panel
private void EnableAll() {
foreach (Control ctrl in Panel1.Controls) {
if (ctrl is Textbox)
((Textbox)ctrl.Enabled = true;
}
}
Is there something similar I can do in Java to do the same thing.
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Jul 21, 2014
I have created one dataTable in page and shown some columns but I want to show only those columns which have entries ( if any column doesn't have record then it should not be displayed on the page.) . How should I put validation on this and display table.
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Feb 22, 2015
I would like to access a third party websevice using a Java client that I generated with JAX-WS wsimport, based on the WSDL provided (I am using a Maven plugin).
For quite a while I was unable to retrieve a useful response, not in the Java client and also not in SoapUI, until I found out that I had to enable WS-A on the request. In SoapUI this now results in the expected response, but what must I do to also 'enable' WS-A in the Java client? Do I maybe have to alter the WSDL, or add a parameter to wsimport?
I found some documentation on WS-A online, but so far could not find an answer.
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Dec 2, 2014
Enable Radio Button Based On The Value Selected From Database ????
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Jun 11, 2014
I have multiselection working in my TableView but only via shift-click or using the keyboard but how do I enable the selection of several table rows via a mouse drag? It does not seem to work out of the box.
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Feb 23, 2015
I'd like to disable/enable SelectManyCheckbox and the SelectOneMenu based on my selection. I have two radio buttons to be selected whether A or B. The SelectManyCheckbox and the SelectOneMenu should be disabled at the first run. When the user selects “A” the SelectManyCheckbox and the SelectOneMenu should be enabled and if the users selects “B”, the SelectManyCheckbox and the SelectOneMenu should be disabled and the items should be empty. I tried to use <f:ajax render="certificates"/>, but it doesn't work properly.
<h:selectOneRadio id="request" layout="pageDirection" value="#{user.hrRequest}" required="true" requiredMessage="Error: Select a Request Type">
<f:selectItem itemLabel=" Request A" itemValue="A"/>
<f:selectItem itemLabel="Request B” itemValue="B"/>
<f:ajax render="certificates"/>
[Code] ....
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Jan 30, 2014
I noticed it is a huge success to have the backgrounds of games move and the character just move up and down and dodge obstacles.How Do I make a background that scrolls horizontally to the left? I know how to keep the character in place with up and down to move, but not sure how to go about making the background move with obstacles.
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Jun 30, 2014
I have two questions:
1. I read somewhere that instead of looping through every player (below), you use could Events to do it for you:
for (Player player : this.getPlayers()) {
if (player.getLocation().getX() == 10) {
}
}
I'm not sure as to how to use Events in place of a for loop. I've been thinking on this for days, but I'm still stuck. Any example of using an Event instead of a for loop?
2. Is there any way to accept multiple connections on a server without using a while loop? Maybe use Events to handle the acceptance of connections?
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Feb 17, 2014
I am making a Dice Roll GUI and I have most of it down and I only need this constructor to work for the program to work (I think). I don't know where to place the constructor, I tried placing it around the RollButton class but it still didn't work and gave me java error constructor in class cannot be applied to given types
Here's my constructor:
private JPanel panel;
public RollButton(JPanel panel){
this.panel = panel;
}
Here's my code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.util.Random;
import javax.imageio.ImageIO;
[code]....
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Apr 21, 2015
I am currently trying to solve a programming problem on this site, and the problem includes working on a 100 digits of decimal places of a certain irrational number. I tried using BigDecimal class but it displays, correctly me if I am wrong, just 20+ decimal digits. Is there other way to do this?
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Jan 28, 2015
I am trying to convert the double grossPay to 2 decimal places but cannot get it to work ,I am unsure of the correct way of doing this but this is how far I can get
public static double grossPay(double Orate, double overtime, double salary) {
double grosspay = 0;
grosspay = (Orate * overtime) + (salary / 26);
DecimalFormat df = new DecimalFormat("#.##");
return(df.format(grosspay));
}//closes grossPay method
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Dec 2, 2014
for standard deviation my output is not rounded to the 10's place, how can I make it round to the 10's place. Here is my code.
import java.util.*;
public class chapter7 {
public static final int Max_Number_Scores = 100;
public static int fillArray(double[] scores) {
System.out.print("You entered ");
for (int i = 0; i < scores.length; i++) {
System.out.print(scores[i] + " ");
[code]....
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Apr 3, 2014
I have 2 JSF applications - Let me say A and B.
Application A uses JSP and Application B uses XHTML.
Now, I want Application B also get the same look and feel as Application A.
For this purpose, I have to recode the complete JSP page (of Application A) into XHTML (in Application B).
My question: Is there any better way, like reusing all the content of JSP in XHTML or something like that.
Could I replace the existing XHTML content with the JSP content with some minor modifications?
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Nov 21, 2014
public class HashMapTest {
private static HashMap mp;
public static void main(String[] args) {
// TODO Auto-generated method stub
mp=new HashMap<String, String>();
}
}
This is My Code if I create Object in two place
1)Outside main() method but within class.
2)Inside main() method like above
Will these two approach makes any difference ?
I am asking a general senerio for creating any Type of Objects Primitives or References?
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Jan 26, 2014
now i'm working on a program which contain JTable..how i can make the columns fixed in it's place and how i can make them in a fixed length.
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Oct 3, 2014
I'm not sure why, but whenever I try to get a value out of a double, it only extends to one decimal place. For instance, (825 / 805) would become 1.0000 (after being run through a DecimalFormat object) instead of 1.0248 like I need it to be (and should be if what I know about primitive variable types is right). Why is the double variable type not giving me the precision I want and, more importantly, how do I fix this?
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Sep 11, 2014
I have to shuffle a deck (array) of 52 integers but I started with 3 for testing if it was an even shuffle and it will place the same integer in more than one spot in the random array. I'm not sure what I'm doing wrong...
import java.util.Random;
public class shuffleDeck {
public static void main(String[] args) {
int[] Deck = new int[3];
for (int i=0; i<3; i++) {
[Code] ....
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Feb 7, 2015
I need to round my variables to the nearest "tens" place and I'm having trouble doing so. Every time I run the program it comes back with a number ending in .0 even if its something like 11 / 3. How can I fix this?
public static void results(int game, int totalGuess, int best) {
double avg = Math.round((totalGuess / game) * 10.0) / 10.0;
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Sep 29, 2014
I am looking to find a way to display the number of decimal places without using any type of formatting string.
Only to make it xxx.x instead of xxx.xxxxxx.
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Dec 2, 2014
How do you remove from an ArrayList at a particular index then add back to that same index without the removal causing the ArrayList to compensate for the loss of them item and moving the empty space to the end of the array list?I've tried:
public void dischargePatient(int bedNumber) {
if (bedNumber < beds.size()) {
beds.remove(bedNumber);
}
}
But this moves the bed at bedNumber to the end of the ArrayList after removing the patient from the bed. How do I keep it at bedNumber?
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Jan 21, 2014
Any way to place leading zeros onto numbers without having to convert them to strings? Is such a thing possible?
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Nov 15, 2014
I'm trying to figure out the necessary code for reading integers from a text file, then placing them withing the two-dimensional array I have created, and then finally printing the array using a nested for-loop. I have attached the file I would like to read from. I'm having trouble figuring out how to reference the text file with the integers, and also how to properly create a dynamic preface for each row of the array. I want the preface to display as "Week #: ", with # being the row number. I tried to create an integer to be used that way, but NetBeans tells me whatever integer I declare has already been defined in method main. I know I need to use scanner to read the file. I would like the output to display like this:
Quote
Temperature Data
Week 1: 73 71 68 69 75 77 78
Week 2: 76 73 72 72 75 79 76
Week 3: 79 82 84 84 81 78 78
Week 4: 75 72 68 69 65 63 65
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