Dell Vostro 1520 Laptop Freezes – Problem with Dell Laptop. I am using a Dell Vostro 1520 laptop and recently I came across this problem. My laptop hangs randomly and every time it does (it freezes stops responding completely), I have to restart my laptop by pressing the Power button for a few seconds. If some music was being played when it hangs,...

When we need to swap the values of two variables, we use a third variable temporarily to hold the data between swapping.  Something like this: <?php $tmp = $a; $a = $b; $b = $tmp; ?> Here is another way without using a temp or a third variable. <?php list($b, $a) = array($a, $b); ?> And if you want to make it a function: <?php function...

The Auth Component in CakePHP redirects the user to the log-in page when a user tries to access any protected pages in the application. The default log-in page is set by defining the loginAction variable in the beforeFilter function in your UsersController or AppController. But if you have used plug-ins in your application, and if a user tries to access...

A very basic tutorial. For the beginners who want to pass array values from PHP to Javascript for them to be accessible in the client side JS as an array. It’s really easy to pass PHP array to Javascript. The below code passes a string array in PHP to Javascript. <?php $arr = array("a","b","c"); ?> <script> var...

Sometimes, or very rarely we might need to access a model in AppController (Application Controller). This could be for fetching values from a table and make it available for all the controllers in the application (AppController is inherited by all the other controllers). Also, often we need to access models that are not associated with a controller. I...

Saving an image from a flash movie to user’s local machine hard-disk was a hectic task sometime back. To save Dynamic movie clips (which could be images or any bitmapData) on the stage as Images we had to send the whole pixel data to the server and process it to create an image, then download it on to the user machine. This task has now become...

One of the most powerful features of CakePHP is the ability to link relational mapping provided by the model. In CakePHP, the links between models are handled through associations. The associations are defined in the models as hasOne, hasMany, belongsTo etc. It is possible to define deep relationships involving many tables and retrieve data. But CakePHP...

Developers normally use functions that use Regular Expression to convert under_scored strings in to CamelCased strings. Usage of Regular Expression is quite heavy. We can use a simple yet powerful method to convert these strings to CamelCase without using RegEx in PHP. Here is the method: echo join(””, array_map(“ucwords”, explode(‘_’,...

Do you think your website is sluggish? Does it take a lot of time to download on to a user computer? Here are some techniques to make your site load faster on user computers and enhance it’s performance. These are some of the best practices followed in the Web industry. Implementing these practices has proved that your site will become 20-30%...

This tutorial teaches you to easily apply Zebra styling to your static/dynamic tables. The method of styling alternate rows with different colors is also known as Zebra styling. We normally achieve this by defining two sets of styles for odd and even rows of a table and manually adding these class names in to the table rows. When the data table is generated...