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30 Mar 2008


kumar rakesh

create and manage free online surveys with unlimited responses
Online surveys are now basic requirement of everyone who want to review there products or to make studies about anything. But finding a solution who can provide esurveys efficiently is really a big pain. creating an online survey with inefficient tool as irritating and getting survey conducted with limitations on responses is even worse.
cont..

30 Mar 2008


kumar rakesh

practice interviews and prepare for interviews
in todays changing world every one want to increase there salaries very quickly.
Changes your employer is an very efficient solution for this. But changing employer and company is not so easy.
cont..

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12 Dec 2007


kumar rakesh
His other forums

Interview questions for an experienced web developer more..

When do we need COMMIT
What is rollback
What is the difference between triggers and stored procedures
Why destructors are used?
What point you keeps in mind while creating any framework
What is the difference between GET and POST methods
What are the ways to pass variable values to another page in php
What is the maximum url length. Is there any?
How can we export data from mysql tables to any file. Can we really do this from mysql only.
When does php configuration file resides by default.

29 Feb 2008

kumar rakesh

His other forums

Here are the answers of few of the questions

1. We need "commit" to save changes permanently in any transaction in database.

2. If data were not inserted properly in any transaction in database then we can "rollback" transaction to undo all the changes made by query in transaction.

3. Triggers are fired on some event in database, while stored procedures are the functions that can be called whenever we require them.

4. destructors are used to destroy an object of the class, to free memory used by that object.

5. we should care about the following points while creating any framework.

it should be easily portable - framework should be easily portable so, that it can be used anywhere without need of any changes in it's coding.

it should provide all the general features required by programmer

it should have a clean working model, means, files should be managed properly and directory structure should be good, so that any one can understand and work on it easily.

Data abstraction layer should be available there.

and many more..........

6. variables passed using GET method are visible in address bar in browser and in POST method they are not.

7. methods of passing variables from one php script to another

POST method

GET method

Using sessions

Using file's

Using cookies

8. Microsoft Internet Explorer has a maximum uniform resource locator (URL) length of 2,083 characters. Internet Explorer also has a maximum path length of 2,048 characters. This limit applies to both POST request and GET request URLs.

If you are using the GET method, you are limited to a maximum of 2,048 characters, minus the number of characters in the actual path.

However, the POST method is not limited by the size of the URL for submitting name/value pairs. These pairs are transferred in the header and not in the URL.

RFC 2616, "Hypertext Transfer Protocol -- HTTP/1.1," does not specify any requirement for URL length.

9. we can export data from database to a file directly using " load " query

10. php config file resides in php directory on windows and

usr/local/bin or /etc/ on linux plateform

thanks.

enjoy..

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