Questions tagged as 'java'

Tagged questions
0
answers

Save status listview

I have a ListView that I bring data from the database. When I search the search of ActionBar , the filtered data appears, so I select an item from the ListView to see its data. When I go back to ListView by the up...
asked by 05.05.2015 / 02:42
0
answers

Session error in Java

I have the following methods: public void delete(Class c, int id) throws SQLException { Session session = sessionFactory.openSession(); Transaction tx = session.beginTransaction(); try{ Object ob = this.getById(c, i...
asked by 08.05.2015 / 21:02
0
answers

Development of a Distributed Alarm System

My teacher spent a job developing an alarm tool, panic button, more or less. Where a computer (client) will trigger the button and another computer (server) will receive the notification and will fire a siren. Only he said he did not want as a c...
asked by 12.05.2015 / 01:39
1
answer

Error moving .rar file from one folder to another

I have a method that takes the files I want to .rar from one folder and saves it to another, but when I open the file it is corrupted. try { //Origem File arquivoOrigem = new File(path); FileReader fis = new FileReader(...
asked by 28.04.2015 / 15:49
0
answers

Error 500 when sending android object to web service Rest

I'm having a problem sending an object from a java class to my web service. Using RestFull web service on glassfish and android using volley and gson. I get a 500 error when I try to send the object. LogCat Log on android: 04-27 19:24:14.63...
asked by 28.04.2015 / 21:19
0
answers

Logically help with a system that writes data to Excel columns

I have an application and I can pass the data quietly to excel, the problem has arisen now because I have to make a loop and I can not find the best way to do this. I have several lots, for example 1,2,3,4,5,6,7,8. Each lot has several customers...
asked by 30.04.2015 / 16:47
1
answer

Save entity and all its child entities

I'm having problems with the updates of my MDFe entity, before explaining what happens, I would like you to look at the image below, from it I can explain better. We can verify that MDFe has a one-to-many relationship with MDF and Documen...
asked by 29.04.2015 / 13:58
0
answers

How to create a Minecraft-style Menu in the Ulixava Project?

How do I create a Minecraft-style Menu for my Java game? I watched the 3 episodes of the series: How to make a 2d minecraft plataformer in java, and I have the game, but I wanted to create a menu for it, however I have no idea how. series...
asked by 29.04.2015 / 21:52
1
answer

Format layout for Zebra printer printing

I was able to print to a Zebra RW 420 printer, but I do not know how to format the texts, I looked at the documentation to send the data to the printer, and I noticed the following: String cpclData = "! 0 200 200 210 1\r\n"...
asked by 08.05.2015 / 14:20
0
answers

ByteBuffer byteBuffer = ByteBuffer.NEW ();

I have a problem with ByteBuffer byteBuffer = ByteBuffer.NEW (); I can not understand why I do not have access to .NEW, it simply does not exist, I can not find it and can not find it ... I need it to create the logic of a PDF to JPG conver...
asked by 07.05.2015 / 01:02