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Silicon Magic: December 2009

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Java J2ME JSP J2EE Servlet Android. ORA-14552: cannot perform a DDL, commit or rollback inside a query or DML. DML operations like create, drop etc. and rollback/commit can not be performed in a SQL statement. The most general case where this error occurs is calling a function as. SELECT myFunc(. . .) FROM dual. Something like this or the like, Where myFunc contains DML operations, rollback or commit statements. For the case described above you can execute the function myFunc as.

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Silicon Magic: Oracle Basic: default value to a column

http://siligic.blogspot.com/2010/06/oracle-basic-default-value-to-column.html

Java J2ME JSP J2EE Servlet Android. Oracle Basic: default value to a column. There are three ways in oracle of how you can specify default value to a column in oracle. That means if you insert null value to that column it will take the default value. First, at time time of creation of the table specify the default value of the column. Second, add a new column and specify its default value by ALTER TABLE . ADD statement. 1 At table creation. SQL INSERT INTO test(name,score) VALUES('John','12');.

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Silicon Magic: February 2009

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Java J2ME JSP J2EE Servlet Android. Avoid large white space in blogger/blogspot before table/ Table problem. If you want to use table in blogspot blog and many other blogs using table as following way. You'll see a large white spaces before the table. This is for each time you press [ENTER] for new line blogspot generates a line break br and when you view the blog you'll find a whitespace for each br before the table. If you want to avoid this unwanted white space just use the following code. We get the ...

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Silicon Magic: March 2009

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Java J2ME JSP J2EE Servlet Android. To use svn you need an svn client. You can download a good svn client from http:/ tortoisesvn.tigris.org/. You can also add an cvs client for eclipse named subclipse from the following eclipse update site. Name: Subclipse 1.4.x (Eclipse 3.2 ). URL: http:/ subclipse.tigris.org/update 1.4.x. Name: Subclipse 1.2.x (Eclipse 3.2 ). URL: http:/ subclipse.tigris.org/update 1.2.x. Name: Subclipse 1.0.x (Eclipse 3.0/3.1). Enter Post Title Here]. 160;   . Install above prerequis...

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Silicon Magic: August 2009

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Java J2ME JSP J2EE Servlet Android. Java By Example: Java Menue Example [ javax.swing.JMenu ]. Here is a very basic example of Java Menu[JMenue]. Import java.awt.event.ActionEvent;. Import java.awt.event.ActionListener;. Import javax.swing.JFrame;. Import javax.swing.JMenu;. Import javax.swing.JMenuBar;. Import javax.swing.JMenuItem;. Public class Menu extends JFrame{. JMenu file = new JMenu(File);. FilesetMnemonic(’F’);. JMenuItem newItem = new JMenuItem(New);. NewItem.setMnemonic(’N’);.

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Silicon Magic: May 2009

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Java J2ME JSP J2EE Servlet Android. Java by Example: Exception handling – throw custom Exception. Java by Example: Exception Handling, creating custom exception class. Java by Example: Exception handling – throw custom Exception. Java By Example: Exception Handling – Throwing exception from method. Java by Example: Exception handling – Basic Exception Handling example ‘try catch’. Java by Example: Exception Handling – Java Exception Basics. Here is the example . . 160;   . 160;   }. 160;   . 160; &#...

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Silicon Magic: February 2010

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Java J2ME JSP J2EE Servlet Android. Cook PHP: Finding the numbers of occurrence of a string in another string. Lets consider a String. Str = "PHP is what PHP is and PHP is not what PHP is not";. Now lets try to find out the no of occurrence of the word 'PHP' in above string. Cnt = count(explode("PHP",$str) -1;. This will print 4. There are many alternative option to do the same this in php. Subscribe to: Posts (Atom). Cook PHP: Finding the numbers of occurrence of a s.

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Silicon Magic: July 2009

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Java J2ME JSP J2EE Servlet Android. Java Vector to array or List to array. We can easily get an array from Vector or List by just calling toArray() methods. This will generate arrays of Objects. Here is an example of getting array of Strings from java.util.Vector and java.util.List. I hope this will be helpful to you. Vector friends = new Vector();. String arr[] = (String[]) friends.toArray(new String[0]);. System.out.println(Arrays.toString(arr) ;. List friendsList = new ArrayList();. This code block if...

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Silicon Magic: June 2009

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Java J2ME JSP J2EE Servlet Android. ORACLE: Getting maximum sub string. We can easily find the maximum sub-string from a table of oracle. Let's see the following example. INSERT INTO test(name,code) VALUES('Bangladesh','880');. INSERT INTO test(name,code) VALUES('BGD-Mobile','8801');. INSERT INTO test(name,code) VALUES('BGD-GP','88017');. INSERT INTO test(name,code) VALUES('BGD-AKTEL','88018');. INSERT INTO test(name,code) VALUES('BGD-Bangla Link','88019');. SELECT * FROM test. This will give: 8801.