Questions tagged as 'java'

Tagged questions
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Primefaces 6.1 + HTTPS = Error in IE11

I placed a JSF project with primefaces to run with link and when we entered IE11 a surprise: it works! Trigger a browser error like this:    CSS3111: @ font-face Detected an unknown error. Filet:   SohoGothicPro-Light.woff Lin...
asked by 30.05.2017 / 19:39
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Spring MVC and UTF-8

I'm making use of Spring MVC in a project, running on Glassfish server and having trouble displaying text on JSP pages that contain special characters like accents. I have already tried to put the charset in HTML pages via HTML, HTML5 and even v...
asked by 23.05.2017 / 19:46
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How to open a new activity without closing the drawer menu?

I have an activity and in this activity I have the drawer menu. How do you call another activity without the drawer menu adding up? I just want to change the activity content. I tried to use fragment but it does not erase what is already on the...
asked by 23.05.2017 / 19:34
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Image for base64

I would like to convert an image to base64, but it is not working properly, there is no error in logcat, could anyone help me? Code: private void galleryIntent() { Intent intent = new Intent(); intent.setType("image/*"); intent...
asked by 23.05.2017 / 19:30
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How do I list an ArrayList inside a JLabel [duplicate]

I would like to know how to print an ArrayList inside a JLabel, I am using JOptionPane but it shows one element at a time I would like to display all elements in a single window. Here is the function code that does this, such as Can I redo it?...
asked by 21.05.2017 / 18:31
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Java - Change XML and then read

I have an application that writes in an XML and one that reads, the two work fine separately, but the problem is that when I write in XML, the other application continues reading without updating the data, as if the file had not been updated (bu...
asked by 22.05.2017 / 07:50
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Why can not I connect to PostgreSQL?

I'm very interested in programming but I'm new to the field and I need to deliver this work to the teacher. But I can not resolve this error. package dal; import java.sql.*; import javax.swing.JOptionPane; public class ConectaBd { public s...
asked by 23.05.2017 / 03:23
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How can I "keep" an Activity data when I rotate the screen?

I have an Activity that makes an HTTP request using AsyncTask, the result of this request is sent to a method that updates my UI. But when I rotate the screen, the data entered in TextViews is removed. How can I "keep" this data when I rotate...
asked by 23.05.2017 / 17:33
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JavaScript is not recognized by Chrome

I'm having trouble using Spring MVC, Google Chrome, and JavaScript. Every time I create a new JavaScript file, in my project using Spring, the browser does not recognize this file. I have already cleared the cache, and it did not resolve....
asked by 19.05.2017 / 23:06
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Code to get the biggest number buggy?

I created the code that is in the image to go through a double-chained list and get the largest token, and I sent the following entry (add at the end): 12, 17, 14, 23, 8, 10. It should be removed 23 and when I call again the method would remove...
asked by 20.05.2017 / 00:52