Tagged Questions

Java is an object-oriented language and runtime environment (JRE). Java programs are platform independent, because they are compiled to bytecode and their execution is handled by a Virtual Machine called the Java VM or JVM.

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Cassandra Key Cache Building

I've inserted data into a Cassandra cluster using bulkLoader and the key caches haven't been built. Is there a way to rebuild the whole key cache for each node? I can't find an option in JMX, nodetool ...
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Getting m4a\b embedded chpters data using jaudiotagger or etc

I'm creating application for android to listen podcasts\audiobboks in m4a, m4b formats. Is there any way to get mpeg4 chapters data stored in audio headers using jaudiotagger or some other libs. I am ...
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iOS symmetric key encryption / decryption equivalent to Java

I am trying to encrypt/decrypt data ios to java & java to ios but I data encrypted in java is not properly decrypted in ios & data encrypted in ios is not properly decrypted in java - (NSData ...
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2answers
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Find the position in arraylist

I have class name Student.java{ String rollno,String name}, I have created Arraylist of Student class ArrayList aryStd= new ArrayList. Now I have added two objects of student class in aryStd S1 and ...
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2answers
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Java API summary

Each of the class/object in Java Documentation provides description of that class, field summary, constructor summary, method summary and details about them. I am only interested in summary part, is ...
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1answer
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incompatible types well trying to .get in custom adapter (Android)

I have been trying to get a custom adapter working in my first android app. This is the code from my app: CustomAdapter class: class CustomListAdapter extends BaseAdapter { Context mContext; ...
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Encoding pdf in utf-8 with wkhtmltopdf in Java

I've had GWT, ext-GWT web-project in utf-8 charset. I've also add utf-8 charset in html file. Additionally I need to create some pdf report. So that I wrote a special servlet, which take a template ...
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set jtable Foreground color for some rows

i created some costum cells render to change the look of my jtable, i changed color of some rows, and font, i tried to do the same but it doesn't work, this is my code : @Override public ...
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Java - 3D Arrays trim method acting up

I created this method to trim 3D arrays to use in Octrees. For some weird reason that I cant figure out after returning the trimmed array its just full of zeros. When it should be filled with ones. ...
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How to add a time delay in JFrame?

I am building a chat room in JFrame. I want the JFrame to refresh each 200ms so that whenever a new text is entered, it will appear inside the JFrame. I tried using while(true) but JFrame freezes. ...
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Unable to start Sonatype Nexus with JSW

So I just upgraded to Nexus 2.5.0, and now my nexus install won't start with JSW. It works fine if started with nexus console but when started with nexus start it fails with the following rather ...
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Triggering a windows batch script from unix shell script

I Have a unix shell script, after it runs, it will ftp a file to windows server. Then i need to manuallu schedule a windows batch script. couls you please suggest me method where i can call the batch ...
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1answer
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Classes sharing the same super class instance

I have a very simple question. Can 2 classes share the same Super class instance? I know the answer is no, because super is the instance itself, but I was really there was some workaround... public ...
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Null pointer exception using Spring ldap

I'm trying to access some datas in a Ldap directory. To do so, I use Spring Ldap. I found out recently there is a magical way to use it, aka the DirContextAdapter. However, when I could browse the ...
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how to identify some codes in a file according to its function

I was given C99 codes, and what should I do is to find out the file with the C99 code in a bench of files. In the c99 codes, I found some aggressive codes, which will do some hacks on other pcs. ...

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