Questions tagged as 'java'

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Save GIF in PostgreSQL database

Good afternoon I need some help, what I need is to save a GIF in a postgreSQL database. I have a table called words which counts of 4 fields ...    word of type text description of type text GIF of type text   Bytea type resource In th...
asked by 01.08.2018 / 20:25
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How to insert value of an array to a JTextfield JFrame java eclipse?

I am designing an eclipse application for a ticket sales point and I am working with JFrame, I need help, my problem is that I can not insert the selected item from my bus seat matrix in a JTextField to say that seat is busy I leave my code belo...
asked by 01.08.2018 / 19:42
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Error in connection pool Jboss - Oracle 11g

I have the following situation: I have a database Oracle 11g , a user login to it, the profile it belongs to has the number of sessions in UNLIMITED On the application server I have a JBoss 7 AS with a connec...
asked by 31.07.2018 / 03:42
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Servlet and XSSF workbook

I have a problem writing in the return flow of the servlet, it reads the file and I can modify it, but at the time of returning it shows me in my browser that if I want to save a binary file and it does not give me a name, On the other hand, if...
asked by 25.07.2018 / 00:08
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Doubt in API stream, filter, functions arrow

Good afternoon community I am new to java 8 and I have a couple of doubts when developing my code using the API stream and arrow functions, the code is as follows List<Account> listAccounts = myList if(fiterName.compareTo("")!=0){...
asked by 24.07.2018 / 23:05
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Add Total ListView Android

Hello, how are you? Greetings to all who participate in this great community. The issue is that I have a ListView where I want to add the total of the fourth column, that is: From my MainActivity I add to a ArrayList...
asked by 25.07.2018 / 03:27
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Get the name of the databases stored in a DBMS

I am trying to make a connection to a database manager (postgresql, Mysql and Access) and I would like to know if there is any way to connect to the manager and extract the information from the name of the databases that are stored there. All th...
asked by 22.07.2018 / 01:59
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execute SQLServer and MySQL stored procedure from Java

good morning / afternoon / evening at the time you see this post the issue is that I do not know the syntax to call a SQLServer stored procedure from java example //para llamar a un una sentencia insert/update/delete/select utilizo PrepareStat...
asked by 22.07.2018 / 07:58
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Netbeans 8.2 does not work on Ubuntu 18.04

I just installed Ubuntu 18.04 and installed Netbeans 8.2, but when I opened the IDE and clicked on New Project it did absolutely nothing Netbeans 8.2 requirements tell me that I must have JDK 8 and I have used them all (installed and un...
asked by 22.07.2018 / 15:22
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Problem creating virtual keyboard

I have a problem that when I press the button of my application, that when I change the screen to write on the previous screen  for a moment it shows me the next image in full screen (this is shown when you press the ALT and TAB keys together),...
asked by 23.07.2018 / 01:06