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What Is Synchronization
What do you understand by Synchronization? Synchronization is a process of controlling the access of shared resources by the multiple threads in such a manner that only one thread can access one resource at a time. In non synchronized multithreaded application, it is possible for one thread to modif... 2007-03-03, 5751👍, 0💬

How To Shut Down the Server with "mysqladmin"
How To Shut Down the Server with "mysqladmin"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want to shut down the server with "mysqladmin", you can use the command "mysqladmin shutdown" as shown in the following tutorial example: >cd \mysql\bin >mysqladmin -u root shutdown If ... 2007-05-11, 5750👍, 0💬

How To Delete Multiple Rows from a Table
How To Delete Multiple Rows from a Table? - Oracle DBA FAQ - Understanding SQL DML Statements You can delete multiple rows from a table in the same way as deleting a single row, except that the WHERE clause will match multiple rows. The tutorial exercise below deletes 3 rows from the fyi_links table... 2007-04-21, 5750👍, 0💬

What are COM objects?
Managed Code and Unmanaged Code related ASP.NET - What are COM objects? COM objects are another type of unmanaged code that you can use from .NET assemblies. Because COM is widely used, Visual Studio includes built-in tools for importing and using COM objects within .NET assemblies. Visual Studio al... 2009-04-07, 5749👍, 0💬

What Is Index
What Is Index? - MySQL FAQs - Database Basics and Terminologies An index is a single column or multiple columns defined to have values pre-sorted to speed up data retrieval speed. 2007-05-10, 5748👍, 0💬

How To Convert Strings in Hex Format
How To Convert Strings in Hex Format? - PHP Script Tips - PHP Built-in Functions for Strings If you want convert a string into hex format, you can use the bin2hex() function. Here is a PHP script on how to use bin2hex(): &lt;?php $string = "Hello\tworld!\n"; print($string."\n"); print(bin2hex($s... 2007-04-21, 5748👍, 0💬

How do you submit a form using Javascript?
How do you submit a form using Javascript? Use document.forms[0].submit(); (0 refers to the index of the form – if you have more than one form in a page, then the first one has the index 0, second has index 1 and so on). 2008-03-18, 5745👍, 0💬

Calling unmanaged function from within managed code
Calling unmanaged function from within managed code When we use windows API in Dot Net?Is it managed or un managed code? Have you ever tried to called an unmanaged function (eg: MessageBox function inside the User32.dll ) with in a managed code? Let's try to do that. Open up your Visual studio 2005 ... 2009-03-06, 5743👍, 0💬

How can I read/write OS Files from Forms?
How can I read/write OS Files from Forms? OS files can be read/written from Forms using the TEXT_IO package in Forms. The TEXT_IO package has a datatype FILE_HANDLE. It also has procedures FCLOSE, GET_LINE, NEW_LINE, PUT, PUT_LINE & PUTF and a function FOPEN. Example: DECLARE file1 TEXT_IO.FILE_... 2011-05-03, 5742👍, 0💬

How To Tell Visitors That You Have Atom Syndication Feeds
How To Tell Visitors That You Have Atom Syndication Feeds? - RSS FAQs - Atom Feed Introduction and File Generation There are several ways you can tell your visitors that you have Atom syndication feeds available on your Web site: Showing your syndication feed URLs as hyper links with the Atom syndic... 2007-05-12, 5740👍, 0💬

How To Use "FOR" Statements
How To Use "FOR" Statements? - Oracle DBA FAQ - Understanding PL/SQL Language Basics If you have a block of codes to be executed repeatedly over a range of values, you can use the "FOR ... LOOP" statement. Here is a sample script on FOR statements: DECLARE total NUMBER := 0; BEGIN FOR i IN 1..10 LOO... 2007-04-29, 5740👍, 0💬

Servlet Communicates with JSP Pages
How does a servlet communicate with a JSP page? The following code snippet shows how a servlet instantiates a bean and initializes it with FORM data posted by a browser. The bean is then placed into the request, and the call is then forwarded to the JSP page, Bean1.jsp, by means of a request dispatc... 2007-04-03, 5739👍, 0💬

JComponent and Component
Why does JComponent have add() and remove() methods but Component does not? Because JComponent is a subclass of Container, and can contain other components and jcomponents. 2007-04-03, 5738👍, 0💬

What Is the Icon for RSS and Atom
What Is the Icon for RSS and Atom? - RSS FAQs - Introduction to RSS (Really Simple Syndication) Basics The Web browser and Website syndication industry has adopted a standard icon to identify syndicated content as shown below: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2007-05-12, 5736👍, 0💬

What Happens to the Current Transaction If the Session Is Killed
What Happens to the Current Transaction If the Session Is Killed? - MySQL FAQs - Transaction Management: Commit or Rollback If a session is killed by the DBA, the current transaction in that session will be rolled back and ended. All the database changes made in the current transaction will be remov... 2007-05-11, 5735👍, 0💬

How To Convert the First Character to Upper Case
How To Convert the First Character to Upper Case? - PHP Script Tips - PHP Built-in Functions for Strings If you are processing an article, you may want to capitalize the first character of a sentence by using the ucfirst() function. You may also want to capitalize the first character of every words ... 2007-04-21, 5735👍, 0💬

How To Reduce the Display Size of an Image
How To Reduce the Display Size of an Image? - XHTML 1.0 Tutorials - Understanding Inline Images and Image Maps If an image embedded inline is too big when displayed in a browser, you can use "width" and "height" attributes to reduce the image's display size. The display width and height should be pr... 2007-05-12, 5734👍, 0💬

Hot To Specify the Padding Spaces of a Block Element
Hot To Specify the Padding Spaces of a Block Element? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements CSS offers 4 style properties to control padding spaces of a block element. You can specify them in different ways as shown in the following CSS examples: {padding-top: ... 2007-05-11, 5732👍, 0💬

How To Get a List of All Tables in the Database
How To Get a List of All Tables in the Database? - Oracle DBA FAQ - Introduction to Oracle SQL Developer If you don't like to use a SELECT statement to get a list of all tables in the current database, you can use the Reports view to do this as shown in the following tutorial example: Click menu Vie... 2007-04-27, 5732👍, 0💬

How To Use MySQL Command Line Interface
How To Use MySQL Command Line Interface? - PHP Script Tips - Working with MySQL Database MySQL server comes with a command line interface, which will allow you to operate with the server with SQL statements and other commands. To start the command line interface, you can run the \mysql\bin\mysql pro... 2007-04-18, 5732👍, 0💬

SingleThreadModel Deprecated
In the Servlet 2.4 specification SingleThreadModel has been deprecated, why? Because it is not practical to have such model. Whether you set isThreadSafe to true or false, you should take care of concurrent client requests to the JSP page by synchronizing access to any shared objects defined at the ... 2007-04-03, 5732👍, 0💬

How to Find a Substring from a Given String
How to Find a Substring from a Given String? - PHP Script Tips - PHP Built-in Functions for Strings To find a substring in a given string, you can use the strpos() function. If you call strpos($haystack, $needle), it will try to find the position of the first occurrence of the $needle string in the ... 2007-04-21, 5731👍, 0💬

What is event bubbling
What is event bubbling ? Server controls like Datagrid, DataList, Repeater can have other child controls inside them. Example DataGrid can have combo box inside datagrid. These child control do not raise there events by themselves, rather they pass the event to the container parent (which can be a d... 2007-10-24, 5729👍, 0💬

What Are the Arithmetic Operations
What Are the Arithmetic Operations? - Oracle DBA FAQ - Understanding PL/SQL Language Basics There are 4 basic arithmetic operations on numeric values as shown in the following sample script: PROCEDURE proc_arithmetic AS addition NUMBER; subtraction NUMBER; multiplication NUMBER; division NUMBER; BEG... 2007-04-30, 5729👍, 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