• Close file handler in java while operating on files

  Nov 8, 2011

  I just bumped into one of the error with file io. if you dont close fie handler, it wont write anything into file.

• Executing external process using java

  Nov 7, 2011

  Runtime rt=Runtime.getRuntime(); 
  Process x= rt.exec("ls -l"); 
  BufferedReader stdInput = new BufferedReader(new InputStreamReader(x.getInputStream())); 
  String s; 
  while ((s = stdInput.readLine()) != null) { 
    System.out.println(s); 
  }
  

• Adding new elements to arraylist in java while using iterator

  Nov 7, 2011

  Today i had a problem with usage of arraylist along side of iterator. the problem was that i was unable to add elements to the arraylist. it gives you an error java.util.ConcurrentModificationException this is because u cant add elements to an arraylist while using an iterator. so i had used listiterator as below.

• sql query to find data between an interval.. something like getting data for each week

  Sep 28, 2011

  SELECT MAX( STR_TO_DATE( CONVERT( PurchaseDt

• scala (new programming language)

  Sep 15, 2011

  data types

• adding users in ubuntu

  Jun 10, 2011

  sudo useradd -d /home/testuser -m testuser

• installing mysql

  Jun 10, 2011

  sudo apt-get install mysql-server

• mummer

  Mar 25, 2011

  url: http://sourceforge.net/projects/mummer/files/ Download MUMmer3.22.tar.gz

• esprit

  Mar 20, 2011

  ESPRIT :: Installation :: Cluster Obtain the source code

• ruby on rails

  Feb 14, 2011

  http://www.techrepublic.com/blog/programming-and-development/learn-ruby-with-these-10-books-and-other-resources/3886?tag=nl.e108

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