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How To Remove an Empty Directory
How To Remove an Empty Directory? - PHP Script Tips - Working with Directoris and Files If you have an empty existing directory and you want to remove it, you can use the rmdir(). Here is a PHP script example on how to use rmdir(): &lt;?php if (file_exists("/temp/download") ){ rmdir("/temp/downl...
2007-04-23, 5203👍, 0💬

How To Get the Number of Rows Selected or Affected by a SQL Statement
How To Get the Number of Rows Selected or Affected by a SQL Statement? - PHP Script Tips - Working with MySQL Database There are two functions you can use the get the number of rows selected or affected by a SQL statement: mysql_num_rows($rs) - Returns the number of rows selected in a result set obj...
2007-04-19, 5203👍, 0💬

Can One Atom Feed Document Have Multiple Entries
Can One Atom Feed Document Have Multiple Entries? - RSS FAQs - Atom Feed File Structure and Elements Yes. One Atom feed document can have multiple entries. Here is a good example: &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;feed xmlns="http://www.w3.org/2005/ Atom"&gt;&lt;ti...
2007-05-12, 5202👍, 0💬

How To Get MySQL Statement Execution Errors
How To Get MySQL Statement Execution Errors? - MySQL FAQs - PHP Connections and Query Execution When you execute a MySQL statement with mysql_query(), and the statement failed, mysql_query() will return the Boolean value FALSE. This is good enough to tell that there is something wrong with that stat...
2007-05-10, 5202👍, 0💬

Which parts of an XML document are case-sensitive
Which parts of an XML document are case-sensitive? All of it, both markup and text. This is significantly different from HTML and most other SGML applications. It was done to allow markup in non-Latin-alphabet languages, and to obviate problems with case-folding in writing systems which are caseless...
2007-04-11, 5201👍, 0💬

What is Object Oriented Programming
What is Object Oriented Programming ? It is a problem solving technique to develop software systems. It is a technique to think real world in terms of objects. Object maps the software model to real world concept. These objects have responsibilities and provide services to application or other objec...
2007-10-23, 5200👍, 0💬

How To Set Page Widths to Relative Length Units
How To Set Page Widths to Relative Length Units? - CSS Tutorials - Page Layout and Background Image Design Knowing that setting page widths to absolute length units will cause problems on images with different browser resolutions, you can set your page width to a relative length unit, like px (pixel...
2007-05-11, 5200👍, 0💬

How To Open and Close an Explicit Cursor
How To Open and Close an Explicit Cursor? - Oracle DBA FAQ - Working with Cursors in PL/SQL An existing cursor can be opened or closed by the OPEN or CLOSE statement as shown in the following sample script: DECLARE CURSOR c_list IS SELECT * FROM countries; CURSOR t_list IS SELECT * FROM employees WH...
2007-04-29, 5200👍, 0💬

What is a prompt box?
What is a prompt box? A prompt box allows the user to enter input by providing a text box.
2008-09-03, 5199👍, 0💬

What is a Smallest Valid XHTML Dodument
What is a Smallest Valid XHTML Dodument? - XHTML 1.0 Tutorials - Document Structure and Head Level Tags If you are interested to see the smallest, but valid, XHTML document, check this one: &lt;?xml version="1.0" ?&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://w...
2007-05-12, 5199👍, 0💬

Can you describe IUKNOWN interface in short
Can you describe IUKNOWN interface in short ? Every COM object supports at least one interface, the IUnknown interface. All interfaces are classes derived from the base class IUnknown. Each interface supports methods access data and perform operations transparently to the programmer. For example, IU...
2007-10-22, 5196👍, 0💬

How To Convert Characters to Dates
How To Convert Characters to Dates? - Oracle DBA FAQ - Understanding SQL Basics You can convert dates to characters using the TO_DATE() function as shown in the following examples: SELECT TO_DATE('07-MAY-2006', 'DD-MON-YYYY') FROM DUAL; 07-MAY-06 SELECT TO_DATE('2006/05/07 ', 'YYYY/MM/DD') FROM DUAL...
2007-04-23, 5196👍, 0💬

How To Update an Existing Rows in a Table
How To Update an Existing Rows in a Table? - PHP Script Tips - Working with MySQL Database Updating existing rows in a table requires to run the UPDATE statement with a WHERE clause to identify the row. The following sample script updates one row with two new values: &lt;?php include "mysql_conn...
2007-04-19, 5195👍, 0💬

How To Select an Exiting Database
How To Select an Exiting Database? - PHP Script Tips - Working with MySQL Database The first thing after you have created a connection object to the MySQL server is to select the database where your tables are locate, by using the mysql_select_db() function. If your MySQL server is offered by your W...
2007-04-18, 5195👍, 0💬

What is JavaScript?
What is JavaScript? JavaScript is a platform-independent, event-driven, interpreted client-side scripting and programming language developed by Netscape Communications Corp. and Sun Microsystems. JavaScript is a general-purpose programming language designed to let programmers of all skill levels con...
2008-03-11, 5194👍, 0💬

What is concept of Boxing and Unboxing
What is concept of Boxing and Unboxing ? Boxing permits any value type to be implicitly converted to type object or to any interface type implemented by value type. Boxing is a process in which object instances are created and copy values in to that instance. Unboxing is vice versa of boxing operati...
2007-10-22, 5194👍, 0💬

Where Table Data Is Stored by the MyISAM Storage Engine
Where Table Data Is Stored by the MyISAM Storage Engine? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB By default, MySQL provides \mysql\data directory for all storage engines to store table data. Under \mysql\data directory, each database will have its own subdirectory to store table data....
2007-05-10, 5194👍, 0💬

Can You Define an Argument as a Reference Type
Can You Define an Argument as a Reference Type? - PHP Script Tips - Creating Your Own Functions You can define an argument as a reference type in the function definition. This will automatically convert the calling arguments into references. Here is a PHP script on how to define an argument as a ref...
2007-04-24, 5194👍, 0💬

Examples of INSERT INTO Statements
Examples of INSERT INTO Statements INSERT INTO table_name VALUES (value1, value2,....) INSERT INTO table_name (column1, column2,...) VALUES (value1, value2,....)
2007-04-15, 5194👍, 0💬

How To Get Help Information from the Server
How To Get Help Information from the Server? - MySQL FAQs - Command-Line End User Interface mysql While you are at the "mysql>" prompt, you can get help information from the server by using the "HELP" command. The tutorial exercise below shows sevearal examples: >cd \mysql\bin >mysql -u root mysql> ...
2007-05-10, 5193👍, 0💬

How To Return a Reference from a Function
How To Return a Reference from a Function? - PHP Script Tips - Creating Your Own Functions To return a reference from a function, you need to: Add the reference operator "&" when defining the function. Add the reference operator "&" when invoking the function. Here is a PHP script on how to ...
2007-04-14, 5193👍, 0💬

How To Filter Out Duplications in the Returning Rows
How To Filter Out Duplications in the Returning Rows? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If there are duplications in the returning rows, and you want to remove the duplications, you can use the keyword DISTINCT in the SELECT clause. The DISTINCT applies to the combination of a...
2007-05-11, 5192👍, 0💬

How To Use LIKE Conditions
How To Use LIKE Conditions? - MySQL FAQs - Introduction to SQL Basics A LIKE condition is also called pattern patch. There are 3 main rules on using LIKE condition: '_' is used in the pattern to match any one character. '%' is used in the pattern to match any zero or more characters. ESCAPE clause i...
2007-05-11, 5191👍, 0💬

How Many Categories of Data Types
How Many Categories of Data Types? - Oracle DBA FAQ - Understanding SQL Basics Oracles supports the following categories of data types: Oracle Built-in Datatypes. ANSI, DB2, and SQL/DS Datatypes. User-Defined Types. Oracle-Supplied Types.
2007-04-24, 5190👍, 0💬

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