Questions tagged as 'java'

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log4j: WARN Failed to set property [rollingPolicy] to value "org.apache.log4j.rolling.TimeBasedRollingPolicy"

I'm trying to set up a rotating log. I am using log4j-1.2.17.jar and apache-log4j-extras-1.2.17.jar. My configuration in the log4j.properties file is as follows: log4j.appender.LOG_CRON_BATCH=org.apache.log4j.rolling.RollingFileAppender log...
asked by 06.07.2018 / 10:08
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Fill a vector with the data of a file.txt

I have a class named Gun, which has as attributes two integers and a string, I would like to make a vector of type Gun and that each position is filled with the data of a file for example that the .txt file contains: 25,20,Pistol so that th...
asked by 26.05.2016 / 21:50
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Splash image is not displayed when charging App on mobile

I have a code that I took out of a tutorial that supposedly causes the splash image to be displayed while a WebView is loaded, and that when it finishes loading, the splash is hidden: @Override public void onPageFinished(WebView view, String u...
asked by 29.05.2016 / 19:51
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ireports with netbeans does not run help I can do

public void ed_generarreporte(){ Connection con = null; DAOProducto daoProducto = null; daoProducto = new DAOProducto(); daoProducto.getConeccion(); con = daoProducto.con; try...
asked by 26.05.2016 / 15:20
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Detect onBackPressed () from the main activity

I have an application with a button that takes us from Activity A (Main) to Activity B, I would like that when I close activity B with an onBackPressed () the application A (Main) will detect that it is the activity again active and act by makin...
asked by 13.06.2018 / 21:22
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SQLite query

When I want to ask a question, the program closes. I attach the code: public void consulta (View v){ AdminSQLiteOpenHelper admin= new AdminSQLiteOpenHelper(this, "administracion", null, 1); SQLiteDatabase BaseDeDatos=admin.getW...
asked by 13.06.2018 / 23:36
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Passing data from one activity to another, does not validate the Key

a query. I try to send data through a variable from one activity to another, but I can not extract the value. I send it this way: Intent intent = new Intent(this, EssenMain.class); intent.putExtra("foto",account.getPhotoUrl());...
asked by 25.06.2018 / 21:55
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POI Java word format sheet

How can I assign to word that the horizontal sheet creates me ?, by default I create it vertical XWPFDocument document = new XWPFDocument(); def doc = document.getDocument(); def body = doc.getBody(); def section = body.getSectPr(); if(!sect...
asked by 25.06.2018 / 13:02
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Help in Study Workshop

I have a problem with my code I have to do this work, and I can not calculate the total values by reading an external file, with these characteristics in Java. I have this code worked, that calculates the values of the score of the comp...
asked by 12.07.2018 / 02:47
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Capture data from an html table with jquery and send it to a servlet

Dear, please request your support to solve a problem. I'm working on an application and I need to see how to capture the data from an html table with records that comes from another table with records but I can not do it since both tables are in...
asked by 11.07.2018 / 14:04