I am trying to do in Java: When running this program the output is: I am very surprised to see 0 in output. I am new in development. Can anyone justify this? Answer Postdecrement/Increment operator works on the principle “Use first and then Change” Initially value of i=5, when it enters while loop…
Tag: java
Starting a new activity on navigation drawer item click
I know this is a question frequently asked, but after reading the many questions and solutions on stack overflow I am confused. I am confused with regards to Fragments and what is required to start an activity from clicking an item in the navigation drawer. I’ve checked these posts but only got confused…
Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found
I work with Spring and Hibernate and I used Oracle 11g as database and I used JBoss 5. I have a problem to re-establish the connection automatically I used c3p0-0.9.1.1.jar This my config in my application : But I have this error : my application works correctly using the previous database configuration but m…
Maven Command Line Args in the settings.xml
Good afternoon, I’m trying to find out whether there is a possibility to outsource Command Line Args in the Settings.xml. I can’t use the MAVEN_OPTS Env-Var and the .mavenrc file, but i need the Settings in every project. It is important that no plugins are used which are not included after the in…
Error converting Optional to Integer from TextInputDialog
In this example I have tempSocket1 and tempSocket2 but I really just want one of them. I just included both to show I tried both methods, but I keep getting an error, “the method valueOf(String) in the type Integer is not applicable for the arguments (Optional).” I thought both of these methods we…
Java how to return an array with fibonacci values starting at 1?
I’m writing a void function fibFill which fills an array with Fibonacci numbers. It doesn’t have to return anything. Here’s what I have so far: For example, if I pass an array of length 5 to the method, it will override the contents of the passed array like this: [1, 1, 2, 3, 5] Answer Your …
Running command using “exec” channel with JSch does not return any output
I am trying to execute a command on a Linux server using SSH from Android with JSch. As far as I know I am connecting to the server, but when I attempt to retrieve the results of the command I am getting nothing. Connect to server: Retrieve data: What am I missing here? Answer You disconnect immediately after…
What is the best way to determine whether a bezier is overlapping a circle?
In Java / Processing, I want to test whether a bezier curve is overlapping a circle, so that I can shift one of them out of the way. Is there a simple way to do this? Answer You can use the bezierPoint() function to get a series of points along a Bezier curve. Then you could test those points against
Billing service unavailable on device. (response: 3:Billing Unavailable)
I’ve been struggling with this problem for days now. I know there are a lot of questions with the same problem on SO but i couldn’t get it to work. What I have done Uploaded APK in beta phase Created Merchant account Added test user Code AndroidManifest.xml <uses-permission android:name=”…
Apache Java FTP client does not switch to binary transfer mode on some servers
I’m using org.apache.commons.net.ftp library to work with FTP servers. I use about 5 FTP servers and one of them doesn’t work properly (for me). For uploading files I also use method ftpClient.setFileType(FTP.BINARY_FILE_TYPE), but on this server the size of the uploaded file is not the same as on…