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How To Specify Is the Color of the Margin Area
How To Specify Is the Color of the Margin Area? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements CSS doesn't allow you to specify the color of the margin area of a block element. The color of the margin area is transparent. It means that the background color or background...
2007-05-11, 5747👍, 0💬

How To Find Out What Privileges a User Currently Has
How To Find Out What Privileges a User Currently Has? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges Privileges granted to users are listed in two system views: DBA_SYS_PRIVS, and USER_SYS_PRIVS. You can find out what privileges a user currently has by running a query on tho...
2007-05-01, 5747👍, 0💬

Preemptive Scheduling
What is the difference between preemptive scheduling and time slicing? Under preemptive scheduling, the highest priority task executes until it enters the waiting or dead states or a higher priority task comes into existence. Under time slicing, a task executes for a predefined slice of time and the...
2007-03-03, 5747👍, 0💬

What Happens to the Current Transaction If a START TRANSACTION Is Executed
What Happens to the Current Transaction If a START TRANSACTION Is Executed? - MySQL FAQs - Transaction Management: Commit or Rollback If you are in a middle of a current transaction, and a START TRANSACTION command is executed, the current transaction will be committed and ended. All the database ch...
2007-05-11, 5746👍, 0💬

Where Are the Persistent Cookies Stored on Your Computer
Where Are the Persistent Cookies Stored on Your Computer? - PHP Script Tips - Understanding and Managing Cookies The location and file names where persistent cookies are stored on your computer depend on which browser you are using. If you using Microsoft Internet Explorer, persistent cookies are st...
2007-04-24, 5746👍, 0💬

What Are the Types PL/SQL Code Blocks
What Are the Types PL/SQL Code Blocks? - Oracle DBA FAQ - Understanding PL/SQL Language Basics There are 3 types of PL/SQL code blocks: Anonymous Block - A block of codes with no name. It may contain a declaration part, an execution part, and exception handlers. Stored Program Unit - A block of code...
2007-05-01, 5745👍, 0💬

Can You Assign Multiple Query Result Rows To a Variable
Can You Assign Multiple Query Result Rows To a Variable? - Oracle DBA FAQ - Working with Database Objects in PL/SQL You can use "SELECT ... INTO variable" to assign query results to variables. But what happens if the SELECT statements return multiple rows? The answer is that you will get a run time ...
2007-04-27, 5743👍, 0💬

Do You Know the Book "JUnit Recipes: Practical Methods for Programmer Testing"
Do You Know the Book "JUnit Recipes: Practical Methods for Programmer Testing"? You should know this book. It received some good reviews. Title: JUnit Recipes: Practical Methods for Programmer Testing Publisher: Manning Publications (July 15, 2004) Author: J. B. Rainsberger, Scott Stirling Abstract:...
2008-01-03, 5742👍, 0💬

What Is Wrong with My "checked" Attribute Values
What Is Wrong with My "checked" Attribute Values? - XHTML Tutorials - Introduction To Tag and Attribute Syntax Attribute "checked" is an optional attribute for XHTML element "input". In XHTML specification, attribute "checked" has only predefined value: "checked". However, in HTML specification, att...
2007-05-12, 5742👍, 0💬

Is There Any DTD File to Validate Atom Feed Files
Is There Any DTD File to Validate Atom Feed Files? - RSS FAQs - Atom Feed Introduction and File Generation A DTD (Document Type Definitions) file contains a set of definitions of XML elements and attributes to form a new XML based language. The same DTD file can be used to validate XML files that co...
2007-05-12, 5741👍, 0💬

How To Calculate the Difference between Two Dates
How To Calculate the Difference between Two Dates? - MySQL FAQs - Introduction to SQL Date and Time Handling If you have two dates, and you want to know how many days between them, you can use the DATEDIFF(date1, date2) function as shown below: SELECT DATEDIFF(DATE('1997-02-28'), DATE('1997-03-01'))...
2007-05-11, 5740👍, 0💬

How To Assign Values to Variables
How To Assign Values to Variables? - Oracle DBA FAQ - Understanding PL/SQL Language Basics You can use assignment statements to assign values to variables. An assignment statement contains an assignment operator ":=", which takes the value specified on the right to the variable on left. The script b...
2007-04-30, 5740👍, 0💬

Relation between HTML and URL
What Is the Relation between HTML and URL? URL (Uniform Resource Locator) is a compact string representation of the location for a Web document or other resource that is available on the Internet. The URL of a HTML document is usually the document file name prefixed with the domain name of your Web ...
2007-03-03, 5739👍, 0💬

How To Tell Web Browsers That Your Web Pages Have Atom Feeds
How To Tell Web Browsers That Your Web Pages Have Atom Feeds? - RSS FAQs - Atom Feed Introduction and File Generation One way to tell Web browsers that your Web pages have Atom Feed files is to add a "link" tag in the header section of your Web pages. The "link" tag defines a "link" element with 4 a...
2007-05-12, 5738👍, 0💬

How To View and Change the Current Transaction Isolation Level
How To View and Change the Current Transaction Isolation Level? - MySQL FAQs - Transaction Management: Commit or Rollback If you want to view or change the current transaction isolation level, you can use the following commands: SELECT @@TX_ISOLATION FROM DUAL; -- Viewing the current transaction iso...
2007-05-11, 5738👍, 0💬

How To Remove White Spaces from the Beginning and/or the End of a String
How To Remove White Spaces from the Beginning and/or the End of a String? - PHP Script Tips - PHP Built-in Functions for Strings There are 4 PHP functions you can use remove white space characters from the beginning and/or the end of a string: trim() - Remove white space characters from the beginnin...
2007-04-22, 5738👍, 0💬

How To Define and Use Table Alias Names
How To Define and Use Table Alias Names? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements When column names need to be prefixed with table names, you can define table alias name and use them to prefix column names as shown in the following select statement: SQL> SELECT e.first_name, e.la...
2007-04-19, 5737👍, 0💬

How to implement cloning in .NET ? What is shallow copy and deep copy
How do you implement prototype pattern in .NET? Cloning is achieved by using ICloneable of the System namespace. It has a “Clone” method which actually returns the reference of the same copy. Clone method allows a Shallow copy and not a deep copy. In Shallow copy if you make changes to the cloned ob...
2007-10-24, 5736👍, 0💬

What’s the use of “GLOBAL.ASAX” file
What’s the use of “GLOBAL.ASAX” file ? It allows to executing ASP.NET application level events and setting application-level variables.
2007-10-24, 5736👍, 0💬

What Is the Order of Defining Local Variables and Sub Procedures/Functions
What Is the Order of Defining Local Variables and Sub Procedures/Functions? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions In the declaration part, you must define all local variables before defining any sub procedures or sub functions. See the following sample script: SQL> CRE...
2007-04-25, 5735👍, 0💬

When we use windows API in .NET is it managed or unmanaged code ?
.NET INTERVIEW QUESTIONS - When we use windows API in .NET is it managed or unmanaged code ? Windows API in .NET is unmanaged code.
2010-01-12, 5734👍, 0💬

How To Sort Output in Descending Order
How To Sort Output in Descending Order? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you want to sort a column in descending order, you can specify the DESC keyword in the ORDER BY clause. The following SELECT statement first sorts the department in descending order, then sorts th...
2007-04-20, 5734👍, 0💬

What are the problems associated with using JavaScript, and are there JavaScript techniques that you discourage?
What are the problems associated with using JavaScript, and are there JavaScript techniques that you discourage? Browser version incompatibility is the biggest problem. It requires knowing how each scriptable browser version implements its object model. You see, the incompatibility rarely has to do ...
2008-07-22, 5732👍, 0💬

What Is an Online RSS Aggregator
What Is an Online RSS Aggregator? - RSS FAQs - Adding Your Feeds to RSS News Readers and Aggregators An online RSS aggregator is a Website that serves you as a RSS aggregator. Once you have registered an online RSS aggregator, you can access it from any computer on the Internet. Examples of online R...
2007-05-12, 5732👍, 0💬

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