117 Topics
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 | I'm facing a database connection error in my MySQL-based application. The credentials are correct, but I keep getting: ERROR 1045 (28000): Access denied for user 'admin'@'localhost' Is it a privilege issue, host misconfiguration, or MySQL version mismatch? Seeking expert developers in the USA to resolve and optimize the database connection. |
| | Hello, I search many days about this problem. I'm curious if in a text file it's possible to sort words in a language in alphabetical order and in another language to ignore them using ArrayList?  |
| | I am using intellij for the java coursework which is related to clients and databases. I am receiving the following error Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.net.URL.toExternalForm()" because "location" is null at java.desktop/javax.swing.ImageIcon.<init>(ImageIcon.java:232) at client.Interface.$$$setupUI$$$(Interface.java) at client.Interface.<init>(Interface.java:54) at client.Application.main(Application.java:317) This is the code: ` ` package client; //region …  |
 | Hi Am new at programming . I ask about how I but button that onclick it's guide me to form this form had submitted page I need to make this form when fellup the data that the user it's sind to my java SQL . Can any one help me … |
| | Do you think that the structured programming is still useful now on day (for developing)?  |
 | c++ sql phyton javascript html |
 | Is it necessary to have computer or laptop to test the code? Did you ever seen anyone who can be perfect or master in coding whit cell phone?  |
| | Write a Java program that asks the user to enter items until the user chooses to stop, stores them into links (nodes), and chains the links together into a linked list. You will need to make the following changes Your linked list should store information about Customers' Transactions that . …  |
| | I have an array list that looks like this. 8.1,6.5,4.4,3.2,1,8.9,5,1.4,0.1,1,8.7,6.2,4.3,3.2,3 I would like that my program selects every 5 numbers randomly. for example to select 8.1,6.5,4.4,3.2,1,8.7,6.2,4.3,3.2,3 as you can see it selected 5 numbers from the begging and 5 more from the end and saves them Random random_method = new …  |
| | I want to make sqlite table like this format: | Matric | Name | GitHub Link | Status | |--------|-------------------------- |---------------------------|--------| | 243340 | Yu Zhixiong | https://github.com/abcde | Yes | | 250634 | Ahmad Afham Bin Noor Azizan | | No | I get two link is first link … |
| | Ahun ni mi Eni ba temi je I need a script that constantly scans a token on etherscan and notifies me when a large order goes through. I should be able to set the following parameters 1. the token eg Celsius, DAI 2. large order size eg 50,000 I can … |
| | Rick is really fond of fruit juices, but he is bored of their traditional flavours. Therefore, he has decided to mix as many of them as possible to obtain something entirely new as a result. He has N glasses, numbered from 0 to N-1, each containing a different kind of … |
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 | I 'm building an application to store and retrieve books, but I have an issue with retrieving data from the db. I'm using REST and testing with postman. Everything works OK. Currently I have a series of methods written in Java at the backend like so @Override @POST @Path("/add") //@Produces("application/json") … |
| | Hi there, I've come across an issue while trying to get all the records from a SQL database in java. A bit of necessary introduction here. I'm not using any framework just JDBC and the getAllBooks method is part of a REST call. The failing method is essentially doing this: … |
| | I would like to build a software career and am looking for the best software training institution. Can you please help me to find one? |
| | I am a developer who recently started working on my own, and I've come across some projects that I can't handle by myself (mostly in React). What resources would you guys recommend for finding / putting together a team of remote developers to join me on these projects? |
| | Hi all, How to store data in two different tables when we click the button. Suppose I have a 2 tables named as team1 and team2. In table team1 have 2 fields teamid,teamname In table team2 have 3 fields team2id,team2name,teamid here teamid is foreign key. So when i click on … |
 | I need to insert an imagen into a SQL Server Database and i need to do it using jsp, but i don't know how to do it. Someone can teach me the best way to do that?  |
 | I am creating a reporting engine, it is kind of novel. **The only question I have is what are some of the wierder scheduling related things you guys have seen for you cyclical computer programs to date**. I am trying to cover as many fringe cases as I can, and … |
 | If a table contains field's like name,age tuition fee,bus fee,year, 1,2 When I tried to update 1 year details it is updating but when I try to update the entire fields it's not updating in form of jsp page |
| | Hello everyone! I have been working on my school project and I have encountered problem linking jTable with a table in the sql server.Can anyone please help me regarding it.Please help me with the code on how to link the the table. |
 | Hey new to JDBC SQL DERBY and Java so I don't know why but my Jtable only shows the columns. Here are my codes for my LeaderboardDAO class. public class LeaderboardDAO extends Dao { private static final Logger LOG = LogManager.getLogger(PlayerDAO.class); public static final String TABLE_NAME = "leaderboard"; private static … |
 | hello to all! I am developing a data warhouse as my final year project. I have made my star schema succesfully. Now i want to make a query interface for end users so that they run their desired queries. But i am unable to understand that what type of interface … |
| | see why is is not working its not taking combo name why |
| | 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 … |
| | I have a list of objects that having becode as string(setter,getter),i want to set the ststus as "active" for all the becodes.below is my query.but its giving exceptions as "java.lang.ClassCastException: com.rogers.tpia.model.updatetpia cannot be cast to java.lang.String".pls help me u will get appriciated. public void activateUser(List<updatetpia> act){ Session session = sessionFactory.getCurrentSession(); … |
| | i need help. my teacher told me to create a program on java gui that can send everything you input to notepad. then when you input another info in java gui. another notepad file should be made.. |
| | Following is my code effort.... I want to read first line of file(comma separated) & then create table in JavaDB but stuck here... Please someone help me how to do next???? public class DatabaseDAO { public void FileRead(String st) throws ClassNotFoundException, SQLException, IOException{ String []tokens=null; try{ try (FileReader fr = … |
| | Hello guys. I'm trying to create a registration form that takes in employee information. The error I'm getting is: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1 I'm …  |
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