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How To Receive a Cookie from the Browser
How To Receive a Cookie from the Browser? - PHP Script Tips - Understanding and Managing Cookies If you know that a cookie has been sent to the browser when it was visiting the server previously, you can check the built-in $_COOKIE array, which contains all cookies that were sent by the server previ... 2007-04-25, 5123👍, 0💬

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, 5122👍, 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, 5121👍, 0💬

How To Generate a Feed category Element
How To Generate a Feed category Element? - RSS FAQs - Atom Feed File Structure and Elements The &lt;category&gt; element is not a required sub-element of the &lt;feed&gt; element. However, it is recommended to have one or more &lt;category&gt; elements to provide classificati... 2007-05-12, 5121👍, 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, 5121👍, 0💬

How To Get the Technical Specifications for File Upload
How To Get the Technical Specifications for File Upload? - PHP Script Tips - Uploading Files to Web Servers File upload technical specifications is provided in "Form-based File Upload in HTML - RFC 1867". You can get a copy from http://www.ietf.org/rfc/rfc186 7.txt. 2007-04-19, 5121👍, 0💬

What Are the XHTML Elements Defined with Sub-elements Contents
What Are the XHTML Elements Defined with Sub-elements Contents? - XHTML Tutorials - Introduction To Element Content Syntax The following XHTML elements are defined to use the sub-element content model: &lt;html&gt; - The root element of the document. &lt;head&gt; - Element to provide... 2007-05-12, 5120👍, 0💬

What Happens If a URL Starts with Path or File name
What Happens If a URL Starts with Path or File name? - XHTML 1.0 Tutorials - Understanding Hyper Links and URLs If a URL starts with a path name, the browser will borrow the protocol name, the host name, and the port number from the URL of the current document to make up the missing parts. For examp... 2007-05-12, 5120👍, 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, 5120👍, 0💬

Can I Mix Images with Text in a Paragraph
Can I Mix Images with Text in a Paragraph? - XHTML 1.0 Tutorials - Body Tag and Block Level Tags Yes. "img" elements are in-line elements. You can use "img" elements to mix images with text in any paragraph defined by a "p" element'. Below is a good tutorial example of image mixed with text: &lt... 2007-05-12, 5119👍, 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, 5119👍, 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, 5118👍, 0💬

What Is a Mixed Selector
What Is a Mixed Selector? - CSS Tutorials - Introduction To CSS Basics A mixed selector is a selector that uses a combination of all other selectors. The following CSS shows some good examples: /* selects &lt;p class="quote"> tags */ P.quote {font-style: italic} /* selects &lt;p class="quote... 2007-05-11, 5117👍, 0💬

How To Get a List of All Tables in a Database
How To Get a List of All Tables in a Database? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you want to see the table you have just created, you can use the "SHOW TABLES" command to get a list of all tables in database. The tutorial script gives you a good example: mysql> SH... 2007-05-11, 5117👍, 0💬

How To Check Your Oracle Database 10g XE Installation
How To Check Your Oracle Database 10g XE Installation? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition If you want to check your fresh installation of 10g Express Edition without using any special client programs, you can use a Web browser with this address, http://localhost:8... 2007-04-24, 5117👍, 0💬

Can You Specify the "new line" Character in Single-Quoted Strings
Can You Specify the "new line" Character in Single-Quoted Strings? - PHP Script Tips - Understanding String Literals and Operations You can not specify the "new line" character in a single-quoted string. If you don't believe, try this script: &lt;?php echo '\n will not work in single quoted stri... 2007-04-20, 5117👍, 0💬

What Is a Sequences
What Is a Sequences? Sequences are used for generating sequence numbers without any overhead of locking. Drawback is that after generating a sequence number if the transaction is rolled back, then that sequence number is lost. 2007-04-15, 5116👍, 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, 5115👍, 0💬

How To Specify Is the Color of the Padding Area
How To Specify Is the Color of the Padding Area? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements CSS doesn't allow you to specify the color of the padding area of a block element. The padding area is part of the background of the block element. In another word, the paddi... 2007-05-11, 5115👍, 0💬

How To Retrieve Data from an Explicit Cursor
How To Retrieve Data from an Explicit Cursor? - Oracle DBA FAQ - Working with Cursors in PL/SQL If you have a cursor opened ready to use, you can use the FETCH ... INTO statement to retrieve data from the cursor into variables. FETCH statement will: Retrieve all the fields from the row pointed by th... 2007-04-29, 5115👍, 0💬

How To Convert Numbers to Characters
How To Convert Numbers to Characters? - Oracle DBA FAQ - Understanding SQL Basics You can convert numeric values to characters by using the TO_CHAR() function as shown in the following examples: SELECT TO_CHAR(4123.4570) FROM DUAL 123.457 SELECT TO_CHAR(4123.457, '$9,999,999.99') FROM DUAL $4,123.46... 2007-04-23, 5115👍, 0💬

How To Create a New Table
How To Create a New Table? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you want to create a new table, you can use the "CREATE TABLE" statement. The following tutorial script shows you how to create a table called "tip": mysql> CREATE TABLE tip (id INTEGER PRIMARY KEY, subj... 2007-05-11, 5114👍, 0💬

How To Rename a Tablespace
How To Rename a Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files You can easily rename a tablespace by using the ALTER TABLESPACE ... RENAME TO statement as shown in the example below: SQL> CREATE TABLESPACE my_space 2 DATAFILE '/temp/my_space.dbf' SIZE 10M; Tablespace creat... 2007-05-03, 5114👍, 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, 5113👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML