netbeans

问题 Hello guys and girls, So, Netbeans (like most IDE's) use dots (.) to organize decimal places, right? I dont know why but my IDE began to use comma (,) to organize decimal places... even the outputs showed in the console are using commas. How can i change it back to default settings and start using dot in decimal places again? PS: When i try to enter a number using dot and the decimal places (4.5, for example) i get this error message: Exception in thread "main" java.util

问题 I need to insert different result into the row of my JTable. I search my record by using purchaseID which is the pID, it will find 2 result for that particular purchaseID. The problem is when I insert it into row, it just duplicate the result of the first one. EG : P0001 have 2 purchase details and when I insert it into row, I have 2 same row. Is there any way for me to insert into row one by one ? PS. I've been coding since morning, brain is not functioning well. UI: else if(e.getSource() ==

问题 When executing I have error: cannot find symbol in the line MyCalcs.MtgeCalc(); in file Main.java Why is it so??? in file Main.java I have:- e/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.MyJava.002mavern; public class Main { public static void main(String[] args) { MyCalcs.MtgeCalc(); } } and in file MyCalcs.java I have:- /* * To change this

问题 This is a Drag and Drop Java Swing Here's my code prod.removeColumn(prod.getColumnModel().getColumn(0)); String sql = "select prod_id,prod_description,prod_wh_name,prod_fr_name from product order by prod_description asc"; PreparedStatement pst = con.prepareStatement(sql); ResultSet rs = pst.executeQuery(); while(rs.next()) { int columns = rs.getMetaData().getColumnCount(); Object[] row = new Object[columns]; for(int i = 1 ; i <=columns;i++) { row[i - 1] = rs.getObject(i); } (

问题 I have a simple MVC web application where javascript code sends ajax requests to the controller and the controller sends back responses. I built the app 2 years ago and everything used to work fine. Now I tried to run the app again locally and met with the following problem: whenever an Ajax request is sent from the frontend to the controller (running on localhost), the localhost refuses to connect and I get an ERR_CONNECTION_REFUSED message in (chrome's) javascript-console. (In Safari's

问题 This question already has answers here : How can I create an executable JAR with dependencies using Maven? (31 answers) Closed 3 years ago . First of all: I am new to maven. I made my first maven Application and successfully tested it within the IDE. The build was always successfull and everything worked like a charm. Now I want to export the project as an executable jar with the dependencies built in, but I am not quite sure why it is not working. I added the following to my pom file, as

问题 Intro I have to program a fat client using NetBeans Platform and JavaFX 11. One of the requirements is to offer a default and dark theme mode for the application. So if the user of my GUI application press the dark mode button, the application's GUI changes to the dark style. Problem While its obvious for me how to style the JFX components (via a CSS file), the CSS file doesn't has an impact on the NetBeans Platform's components like the menu bar. For instance the JavaFX components inside a

问题 I'm using netbeans. I tried to reinstall it but it did not work. Following is the stack trace when I run mvn clean install -X: Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1 at org.neuroph.util.NeurophArrayList.get(NeurophArrayList.java:376) at org.neuroph.core.Layer.getNeuronAt(Layer.java:230) at org.neuroph.util.ConnectionFactory.forwardConnect(ConnectionFactory.java:231) at neuralNetwork.util.NeuralNetworkBuilder.customStandardNNet(NeuralNetworkBuilder.java:34) at

问题 I'm using netbeans. I tried to reinstall it but it did not work. Following is the stack trace when I run mvn clean install -X: Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1 at org.neuroph.util.NeurophArrayList.get(NeurophArrayList.java:376) at org.neuroph.core.Layer.getNeuronAt(Layer.java:230) at org.neuroph.util.ConnectionFactory.forwardConnect(ConnectionFactory.java:231) at neuralNetwork.util.NeuralNetworkBuilder.customStandardNNet(NeuralNetworkBuilder.java:34) at