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What Is URI
What Is URI? URI (Uniform Resource Identifier) is a superset of URL. URI provides a simple and extensible means for identifying a resource in a more generic way. For example, the following strings are all valid URIs: ftp://ftp.is.co.za/rfc/rfc1808 .txthttp://www.ietf.org/rfc/rfc239 6.txtldap://[2001... 2007-03-03, 6600👍, 0💬

How To Join a List of Keys with a List of Values into an Array
How To Join a List of Keys with a List of Values into an Array? - PHP Script Tips - PHP Built-in Functions for Arrays If you have a list keys and a list of values stored separately in two arrays, you can join them into a single array using the array_combine() function. It will make the values of the... 2007-04-21, 6593👍, 0💬

States of a Thread
What are the high-level thread states? The high-level thread states are ready, running, waiting, and dead. 2007-03-03, 6591👍, 0💬

Incremental Operatiors
What will be printed as the result of the operation below: main() { int x=10, y=15; x = x++; y = ++y; printf("%d %d\n",x,y); } Answer: 11, 16 2007-02-26, 6588👍, 0💬

What is the purpose of Replication
What is the purpose of Replication ? Replication is way of keeping data synchronized in multiple databases. SQL server replication has two important aspects publisher and subscriber. Publisher Database server that makes data available for replication is called as Publisher. Subscriber Database Serve... 2007-10-25, 6581👍, 0💬

How To Use "IN OUT" Parameter Properly
How To Use "IN OUT" Parameter Properly? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions Here are the rules about IN OUT parameters: A formal IN OUT parameter acts like an initialized variable. An actual IN OUT parameter must be a variable. An actual IN OUT parameter passes a cop... 2007-04-21, 6579👍, 0💬

Incremental Operatos
What will be printed as the result of the operation below: main() { int x=20,y=35; x=y++ + x++; y= ++y + ++x; printf("%d%d\n",x,y); } Answer : 5794 2007-02-26, 6575👍, 0💬

Nesting Include Files
Can include files be nested? The answer is yes. Include files can be nested any number of times. As long as you use precautionary measures , you can avoid including the same file twice. In the past, nesting header files was seen as bad programming practice, because it complicates the dependency trac... 2007-02-26, 6573👍, 0💬

How Many Tags Are Defined in HTML 4.01
How Many Tags Are Defined in HTML 4.01? There are 77 tags defined in HTML 4.01: a abbr acronym address area b base bdo big blockquote body br button caption cite code col colgroup dd del dfn div dl dt em fieldset form h1 h2 h3 h4 h5 h6 head hr html i img input ins kbd label legend li link map meta n... 2007-03-03, 6570👍, 0💬

How can we connect to Microsoft Access , Foxpro , Oracle etc
How can we connect to Microsoft Access , Foxpro , Oracle etc ? Microsoft provides System.Data.OleDb namespace to communicate with databases like scess , Oracle etc. In short any OLE DB-Compliant database can be connected using System.Data.OldDb namespace. Note :- Small sample of OLEDB is provided in... 2007-10-24, 6568👍, 0💬

How To Return the Second 5 Rows
How To Return the Second 5 Rows? - MySQL FAQs - SQL SELECT Statements with JOIN and Subqueries If you want to display query output in multiple pages with 5 rows per page, and the visitor wants to see the output for the second page, you need to display query output from row 6 to row 10. You can use t... 2007-05-11, 6564👍, 0💬

How do you open an SSH connection to a remote box?
How do you open an SSH connection to a remote box? ???? 2009-07-20, 6561👍, 0💬

How To Control Padding Spaces within a Table Cell
How To Control Padding Spaces within a Table Cell? - XHTML 1.0 Tutorials - Understanding Tables and Table Cells Cell padding spaces are spaces between cell inner borders and cell content. By default, browsers give cell padding spaces of 1 pixel. If you want to control cell padding spaces within a ta... 2007-05-11, 6560👍, 0💬

What Is Posting
What Is Posting? Posting is an event that writes Inserts, Updates and Deletes in the forms to the database but not committing these transactions to the database. 2007-04-15, 6556👍, 0💬

Order of Exception Catch Clauses
Does it matter in what order catch statements for FileNotFoundException and IOExceptipon are written? Yes, it does. The FileNoFoundException is inherited from the IOException. Exception's subclasses have to be caught first. 2007-03-03, 6551👍, 0💬

"volatile" Modifier
when should the volatile modifier be used? The volatile modifier is a directive to the compiler's optimizer that operations involving this variable should not be optimized in certain ways. There are two special cases in which use of the volatile modifier is desirable. The first case involves memory-... 2007-02-26, 6545👍, 0💬

What is page thrashing
What is page thrashing? Some operating systems (such as UNIX or Windows in enhanced mode) use virtual memory. Virtual memory is a technique for making a machine behave as if it had more memory than it really has, by using disk space to simulate RAM (random-access memory). In the 80386 and higher Int... 2007-02-26, 6542👍, 0💬

Function Calls
What will be printed as the resultof the operation below: int x; int modifyvalue() { return(x+=10); } int changevalue(int x) { return(x+=1); } void main() { int x=10; x++; changevalue(x); x++; modifyvalue(); printf("First output:%d\n",x); x++; changevalue(x); printf("Second output:%d\n",x); modifyva... 2007-02-26, 6531👍, 0💬

Function Calls
What will be printed as the result of the operation below: #define swap(a,b) a=a+b;b=a-b;a=a-b; void main() { int x=5, y=10; swap (x,y); printf("%d %d\n",x,y); swap2(x,y); printf("%d %d\n",x,y); } int swap2(int a, int b) { int temp; temp=a; b=a; a=temp; return 0; } The correct answer is 10, 5 5, 10 2007-02-26, 6530👍, 0💬

What Happens If the UPDATE Subquery Returns Multiple Rows
What Happens If the UPDATE Subquery Returns Multiple Rows? - Oracle DBA FAQ - Understanding SQL DML Statements If a subquery is used in a UPDATE statement, it must return exactly one row for each row in the update table that matches the WHERE clause. If it returns multiple rows, Oracle server will g... 2007-04-21, 6526👍, 0💬

urlencode() and urldecode() Functions?
What are urlencode() and urldecode() functions in PHP? string urlencode(str) - Returns the URL encoded version of the input string. String values to be used in URL query string need to be URL encoded. In the URL encoded version: Alphanumeric characters are maintained as is. Space characters are conv... 2007-02-27, 6526👍, 0💬

Can you explain Forms authentication in detail
Can you explain Forms authentication in detail ? In old ASP if you where said to create a login page and do authentication you have to do hell lot of custom coding. But now in ASP.NET that’s made easy by introducing Forms authentication. So let’s see in detail what form authentication is. Forms auth... 2007-10-24, 6525👍, 0💬

How to make elements invisible?
How to make elements invisible? Change the "visibility" attribute of the style object associated with your element. Remember that a hidden element still takes up space, use "display" to make the space disappear as well. if ( x == y) { myElement.style.visibility = 'visible'; } else { myElement.style.... 2009-02-03, 6521👍, 0💬

Explain all parts of a deployment diagram
Explain all parts of a deployment diagram? Package: It logically groups element of a UML model. Node: A physical system which represents a processing resource, example PC or a host machine. Component: It’s the actual implementation or physical module of a UML system. Node instance: It’s a runtime ph... 2007-10-26, 6517👍, 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