32,204 Topics
 | |
| | I am new to coding and im having trouble with arrays in javascript. I want to be able to compare stuff inside an array but only if the three values match up to one of the sets of three values in the array var array = [[1,2,3][4,5,6][3,6,7]] if(array.indexOf([1,2,3]) === 1){ …  |
 | Hi all, Actually, this question is not related to some coding or logic from my project. But, as I am doing hard and harder projects (acc. to me & my exp.), I am focussing more on design part of my projects. When I present my design to team members for …  |
| | Hi guys, I am a computer science major and I have been asked to complete a task for someone working in the school of public health at my university. Basically I have to go to this website: ///////////////////////////////////////////////////////////////////////////// [Click Here](https://www.healthcare.gov/find-premium-estimates/#results/&aud=indv&type=med&state=PA&county=Allegheny&age0=35&employerCoverage=no&householdSize=1&income=100000) ///////////////////////////////////////////////////////////////////////////// and gather all the information which displays after the … |
| | you must to clear the history (inside the netbeans), and restart the project, |
 | Hi Experts, I want to export html table to .csv file, my code is working but i want to export it with border or background color on its header. how will i do that? Please help me. Thanks in advance. :) Here's my code: HTML Table: <div id="feedback_div" style="display: none;"> … |
| | Hi. Im trying this java program that's suppose to register the "staff"'s "car" and there's this boolean method that I don't know how to solve. There are 3 classes: Tester, Staff and Car. the boolean part is suppose to check if the staff has 1 or 2 cars registered and … |
| | Hi. I have these exercises to do, to write the output of some coding given. I can compile it in eclipse but doesn't mean i understand. can someone please explain this code to me. thank you. int[] arrayA = new int[3]; //this part i know, create array size 3 int[] … |
| | when i save my object in hibernate session.save(obj) getting this exception. (SqlExceptionHelper.java:127) SQL Error: 1747, SQLState: 42000 (SqlExceptionHelper.java:129) ORA-01747: invalid user.table.column, table.column, or column specification (AbstractBatchImpl.java:193) HHH000010: On release of batch it still contained JDBC statements (SessionImpl.java:2994) HHH000346: Error during managed flush [could not execute statement]  |
| | Hi there, I have a class definition like : class Student{ String name; int sub1; int sub2; int sub3; //... } I have list of all students. I want to get count, average, min, max etc using IntSummaryStatistics. Below is the code for sub1: IntSummaryStatistics sub1Summary = students.stream().collect(Collectors.summarizingInt(s -> s.sub1)); … |
| | how to interact in multiple modules, can anyone suggest any link or tutorial  |
| | Another common statistical measure is the standard deviation, which provides an indication of how the indivdual values in the distribution differ from the mean. to calculate the standard dev. whose element are x1, x2.....xn you need to perform the ff steps a. calculate the mean of the distribution b. go … |
| | Hello, I have no experience experience with Java programming and I spend more time lost than anything. I have made an attempt at my week's assignment but I am stuck. Here is the run down of my assignment for that week **"Write a Java application using an Integrated Development Environment … |
| | hey ,i am new to the site as java bluej , i have drawn a flag using bluej using many objects like circle and rectangle ... i wanna combine the objects into one to move it together , what should i do ? the code source: /** * This class … |
 | Hi guys, I wonder if you can help me at all. As some of you will know I do a bit of java development here and there but unfortunately I don't really have any programming background, like, I haven't studied computer science - I just learned (well, that's an overstatement) … |
| | Hey guys, I want to ask which captcha service is a better? im using right now DBC, but it is not so good, can someone recommend better service for recaptchas 4x4? Thanks  |
| | I'm getting my ArrayList from a service and populate my ListView with it when user creates the widget. I have 3 button on my widget and I want to modify/filter the data in the ListView by button click. I saw examples of pending indent but I couldn't reach my ArrayList … |
 | I am new to programming and I am trying to fix the Java code errors below and no matter what I do I cannot get it to compile and run. Would anyone mind helping me with this and explain what I am needing to do. Thank you. import java.util.Scanner; public … |
| | Greetings everyone, I'm still new to android programming and currently leanrning how to connect to DB. I'm following a online tutorial but I'm still facing problems. The tutorial is about creat a registration form and sending it to the database through volley. I'm using .hostinger.ae as host and Android studio. … |
| | Hi, I am creating a form in jsp. <form action="" method="post"> <input type="hidden" name="status_1" value="0" /> <input type="checkbox" id="status_1" name="status_1" value="1" /> <input type="hidden" name="status_2" value="0" /> <input type="checkbox" id="status_2" name="status_2" value="1" /> <input type="hidden" name="status_3" value="0" /> <input type="checkbox" id="status_3" name="status_3" value="1" /> <input type="submit" /> </form> I was … |
| | Hello there, I am writing a data structure and restricted not to use any API or collection. I have written a Sorted Linkedlist, which stores strings in ascending order. Basically I am writing a dictionary, which can be easier to implement by Map, HashMap or Dictionary provided by Collection API, …  |
| | Hi all; How can i ordering files in the package ,,,,java netbeans ordering files by name ,,, i want to move up or down to exganges positions of files in package.... i press click on it and move up or down but isn't work....!!! example: package filename: A.java B.java C.java … |
| | Hi guys! im working with google places and i'm currently able to show 20 markers on the map. I have a FloatingActionButton on my map screen and once the user presses/clicks on it it should display the markers based on the next_page_token. Currently ive hard coded one in for testing … |
| | There are 3 JTextfields that are supposed to display info in each one after you click List Info and brings you to a new GUI and you automatically see the info in the JTextFields, but it's not displaying anything. Also I'm using Eclipse and SQLite Manager if that helps. Iogin, … |
| | Hi, I am stuck with a problem. I have two Date objects (util class objects). I want the difference between these two dates as the number of days between them? I am using Java 8. Can you please help me with this? Searched the web a lot. Some are saying … |
| | Hi, I was using booleans earlier in my class. --> isProductRestricted --> internal --> isProductGlobal I am using lombok too. So putting @Data at the top of class too. But, now I changed these boolean to Boolean variable. I got errors where ever `Object.isInternal()` was used. I am not getting … |
| | Good day everyone, I'm trying to save an inputted data using JTextfield in JAVA GUI into MySQL database. But when i pressed the save button nothing happens. I want to show you all my work right now. Please try to help me, Thank you in advance! if(e.getSource().equals(save)) { //THE SAVE … |
 | Hello! I have written a simple program which connects netbeans with SQL Server database. The program is giving an exception. I am displaying the source code of my program and exception below. Please guide me to solve this problem. public class dbconnection { Connection con = null; public static void … |
| | Hi. so we have this tutorial, a program that we have to complete, that we have to do before attending class and I've sort of completed it except for this small error. > Exception in thread "main" java.lang.Error: Unresolved compilation problems: > id cannot be resolved or is not a … |
| | Hey, I have one class Company and one Item class which is an object in Company class as shown: public abstract class Company { @Inject private ItemClass item; void companyMethod() { this.item.itemMethod(); } } public class ItemClass { public void itemMethod() { // logic } } So, many class inherits … |
| | ...well I'm just about to step into my sophomore year in college as a computer science engineer, undergraduate . I was eager to know about all the important and world renowned competitions that are held in the field of computer science. I just know about ACM ICPC . I'm interested … |
The End.