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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, 7290👍, 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, 7289👍, 0💬

What Is Paint Shop Pro
What Is Paint Shop Pro? - PSP Tutorials - Fading Images to Background Colors with PSP Paint Shop Pro (PSP) is a bitmap graphics editor and vector graphics editor. PSP is a major competition to Adobe Photoshop. PSP was originally published by Minneapolis-based Jasc Software, in early 1992. In October...
2007-05-12, 7259👍, 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, 7257👍, 0💬

Extra White Spaces before or after Tables
Why is there extra white space before or after tables? This is often caused by invalid HTML syntax. Specifically, it is often caused by loose content within the table (i.e., content that is not inside a TD or TH element). There is no standard way to handle loose content within a table. Some browsers...
2007-03-03, 7255👍, 0💬

How To Set session.gc_maxlifetime Properly
How To Set session.gc_maxlifetime Properly? - PHP Script Tips - Understanding and Using Sessions As you know that session.gc_maxlifetime is the session value timeout period. You should set this value based on the usage pattern of your visitors. Here are some suggestions: # Set it to 20 minutes for a...
2007-04-18, 7251👍, 0💬

How To List All Values of Submitted Fields
How To List All Values of Submitted Fields? - PHP Script Tips - Processing Web Forms If you want list all values of submitted fields, you can write a simple loop to retrieve all entries in the $_REQUEST array. Below is an improved version of processing_forms.php to list all submited input values: &a...
2007-04-23, 7242👍, 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, 7239👍, 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, 7238👍, 0💬

Number of Days between Two Dates
How can we know the number of days between two given dates in PHP? Simple arithmetic: &lt;?php $date1 = date('Y-m-d'); $date2 = '2006-07-01'; $days = (strtotime($date1) - strtotime($date2)) / (60 * 60 * 24); $days = (int) $days; echo "Number of days since '2006-07-01': $days"; ?&gt;
2007-02-27, 7238👍, 0💬

Where Do You Download JUnit?
Where Do You Download JUnit? Where do I download JUnit? I don't think anyone will ask this question in a job interview. But the answer is simple. You should follow the download instructions from the JUnit official Website: JUnit.org.
2008-01-07, 7233👍, 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, 7225👍, 0💬

How To Increment Dates by 1
How To Increment Dates by 1? - MySQL FAQs - Introduction to SQL Date and Time Handling If you have a date, and you want to increment it by 1 day, you can use the DATE_ADD(date, INTERVAL 1 DAY) function. You can also use the date interval add operation as "date + INTERVAL 1 DAY". The tutorial exercis...
2007-05-11, 7224👍, 0💬

What is Service Oriented architecture
What is Service Oriented architecture? “Services” are components which expose well defined interfaces and these interfaces communicate through XML messages. Using SOA you can build workflow, which uses interfaces of these components. SOA is typically useful when you are crossing heterogeneous techni...
2007-10-24, 7222👍, 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, 7222👍, 0💬

Conditional Statements
What will happen in these three cases? if (a=0) { //somecode } if (a==0) { //do something } if (a===0) { //do something }
2007-02-26, 7220👍, 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, 7219👍, 0💬

What Happens If One Row Has Missing Columns
What Happens If One Row Has Missing Columns? - XHTML 1.0 Tutorials - Understanding Tables and Table Cells What happens if one row has missing columns? Most browsers will provide empty columns to the end of the row to make up the missing columns. For example, if your XHTML document has a table with t...
2007-05-11, 7210👍, 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, 7206👍, 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, 7203👍, 0💬

How do you target a specific frame from a hyperlink?
How do you target a specific frame from a hyperlink? Include the name of the frame in the target attribute of the hyperlink. &lt;a href=”mypage.htm” target=”BodyFrame”>>Next&l t;/a>
2008-05-06, 7199👍, 0💬

Infinite Loops
How can you write a loop indefinitely? Two examples are listed in the following code: for(;;) { ... } while(true) { ... }
2007-03-03, 7193👍, 0💬

How Are Vertical Margins between Two Block Elements Collapsed
How Are Vertical Margins between Two Block Elements Collapsed? - CSS Tutorials - Understanding Multiple Element Formatting Rules The margins between two block elements will be collapsed into one margin. The taller margin stays. And the shorter margin disappears. The tutorial HTML and CSS document be...
2007-05-11, 7188👍, 0💬

Can one execute dynamic SQL from Forms?
Can one execute dynamic SQL from Forms? Yes, use the FORMS_DDL built-in or call the DBMS_SQL database package from Forms. Eg: FORMS_DDL('INSERT INTO X VALUES (' || col_list || ')'); Just note that FORMS_DDL will force an implicit COMMIT and may de-synchronize the Oracle Forms COMMIT mechanism.
2011-04-12, 7183👍, 0💬

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