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December 30, 2009


How to sort multidimensional array in Entry Categories plugin of expression engine

Today i face a situation where i need to sort my two dimensional array by column name(table_order).I am working in expression engine , installed one of expression engine plugin(Plugin name: Entry Categories). In this plugin, it is not giving any option if you want to get categories order by particular column name. Below is the way how to get the ordered data by particular table field name(below is the code for order by cat_order).

December 29, 2009

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Javascript validation : Date Comparision not working

In most of the web application , Javascript is one of the must needed scripting language. There are some problem happens when you will write logical code in javascript like if condition, for loop etc. If you need to compare two dates..

December 29, 2009


jQuery validation : End date should be Greater than Start date

In some case when you are working around dates you need to validate two dates. For e.g if you are working with Start Date and End date than "End Date must be Greater than Start Date". This can be done by javascript by comparing two dates. But if you are using jquery validation than below is the easy and simple way to check that End date is Greater than Start Date or not.

December 28, 2009

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How to differentiate Addition Operator with Concatenation Operator in Javascript

All we know about Concatenation operator (+) in JavaScript which combine two string with "+" operator in JavaScript(If you want to do concatenation in PHP than use "." character between two strings). Problem creates when you want to do addition of two JavaScript variables.

December 24, 2009


How to remove index.php from url using .htaccess (mod_rewrite)

For better SEO optimization and make urls more search engine friendly , remove index.php from URL and make it easier to read. This can be done by writing only two lines in your .htaccess(mod_rewrite in apache) file. Before writing this rule in .htaccess , make sure that your mod_rewrite is enabled(On) in your apache server.

December 24, 2009


How to redirect www to non-www and non-www to www URL using .htaccess redirect(mod_rewrite)

Websites can be access with www and without www also. Since Search engines consider http://www.programmingfacts.com and http://programmingfacts.com different websites. It might be a case of duplicate content. So you must stick your domain name accessible either with www or without www.

December 24, 2009

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Merging Arrays with Reindex and without Reindexing

All we know about array_merge(param1,param2) array function in PHP. It may be possible that some begineers didn't come across this function. For those people, array_merge(param1,param2) will merge two arrays and reindex all elements in array. But there are some cases in which you need to keep the same indexes(preserve numeric keys) of this arrays..

December 22, 2009


Solved – Warning: session_start() [function.session-start]: Cannot send session cache limiter – headers already sent

This is the most common error, you will face when you will start working with sessions in PHP. I got below error. "Warning: session_start() [function.session-start]: Cannot send session cache limiter – headers already sent" and i got success to solve this. So i would like to share this with all of you.

December 22, 2009


The Ternary Operator – Working same as If-Else

We know, in programming there are three operators named Unary Operator , Binary Operator and Ternary Operator. Operator’s name itself says that if it is a Unary Operator(e.g. Increment – Decrement operators) than it will take only one operand, If it is Binary operator(e.g. Relational operators) than it will take two operands and if it is Ternary operator than it will take three operands.

December 21, 2009


Speed up Performance of Loop with Large Arrays

As we know, FOR loop is same for all programming language, it does not matter , in which language you are working. This is about how to decrease load time. I have shown an example of PHP language. Generallly we are using the FOR loop as below which count a $large_array every time the FOR loop execute.