Latest Blog Posts for The Coding Idiot

• Unix Notes
  on Mar 14, 2013 in unix script in background nohup
  Execute a unix script in backgroundnohup ./your_shell_script.ksh &Once executed by above line, to monitor this process:while truedo jobsdone...
• JAVA Snippets
  on Mar 12, 2013 in Exception in thread main java.lang.NoClassDefFoundError JAVA Classpath Fully qualified package name
  Exception in thread "main" java.lang.NoClassDefFoundError  :Normally caused when a particular class was available during compilation time but was not available during runtime in the classpath through wich it is being executed.This can be solved...
• Loading data from files into tables by SQLLOADER
  on Feb 13, 2013 in SQLLOADER Syntax SQLLoader control file
  Loading data from files into tables by SQLLOADER:SQL*Loader is a bulk loader utility used for moving data from external files into the Oracle database.To load files using  SQLLoader, first you need the control file for SQLLoader.An exa...
• BingSiteAuth.xml
  on Feb 9, 2013
  - A553D7C7774B5DDCC2BAD74270F27373...
• Oracle Snippets
  on Feb 7, 2013 in SQL%ROWCOUNT pragma autonomous_transaction automous transaction in PL/SQL implicit cursor attributes SQL%FOUND
  AUTONOMOUS_TRANSACTIONAutonomous_transaction is a Oracle compiler directive(called pragma) that tells Oracle compiler  that the current transaction is autonomous.This means, that block of code will be executed , compiled and rolled back independ...
• Validate an XML using JAVA
  on Jan 28, 2013 in XML as per XSD Validate an XML
  Java Code to validate whether a given XML is as per the XSD or not:Below is a code snippet that valides a XML./** *  */package parseXml;import java.io.File;import javax.xml.transform.Source;import javax.xml.transform.stream.StreamSource;imp...
• Check available memory in JAVA
  on Jan 25, 2013 in memory allocation Memory usage by Java Check available memory in JAVA
  Check Memory usage by JavaIn memory intensive JAVA applications, like reading from and writing to a large file, sometimes it becomes necessary to monitor the memory usage.An instance of Runtime comes handy in such situations.The following is a code s...
• Unix Snippets
  on Jan 25, 2013 in locate java compiler Mail from Unix Unix
  1.Find the location where Java compiler is installed:ll $(locate bin/javac)2.To send a file as an attachment to a mail from unix box:uuencode file_name file_name | mail -s "Subject goes here" arnab.bhagabati@gmail.com...
• Parsing an XML in JAVA
  on Jan 24, 2013 in Marshalling/Unmarshalling using JAXB JAXB Write to a file using java XML Parsing an XML in JAVA
  How to Parse a XML file using JAVA (using JAXB)First we need to obtain the java classes from the XSD(XML Schema Definition) file. This can be done using various tools;  trang.jar is just one of them.Go to the directory/folder containing the xsd...
• ORACLE Oracle Database Utility Packages
  on Jan 22, 2013 in Oracle supplied packages ORACLE q function DBMS_METADATA How to get the DDL of a table?
  Oracle provides a number of in built packages  and functions to make our tasks easier. List of usage of few Oracle supplied packages:How to get the DDL of a table:We can get the definition of objects like tables/views/procedures etc using the DB...

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