Imagine the situation where you need to read a list of configuration permissions, these permissions are inside of an XML file called permisos.xml in a valid directory of your server. In this short article we will see how to read an XML file, parse it and create an array with all entries of this file. There…
When we are creating plugins or simple code in jQuery and there is a single or many plugin dependences among them, a common task is to implement a mechanism to validate if a jQuery plugin exists before running “depending” code, for example if we have this code and we have not included jqprint (a nice plugin…
In a previous post I explained what is the process for Saving a complex JSON object in a cookie by using jQuery (demo included in PHP). Now, I would like to add some related information about how to set an expiry date of a cookie using the same plugin (jQuery Cookies). First of all, it is important…
“A woman tells her programmer husband to go to the store for some milk and while he’s there, get some eggs. He takes egg carton after egg carton, until there are none left. He reaches for empty space. The ground splits beneath his feet. The universe trembles and collapses. This is how the world ends….
Java is a Platform to create robust, secure and scalable stand-alone and enterprise web applications. It has a lot of classes and resources that make easy to develop many functionalities in systems. One of the most interesting parts of the Java API (Application Programming interface) is work with collections and generics. Basically, Java has three…
Today, I spent almost three hours to test and implement a mechanism to save a complex JSON object and get it to render in a HTML output,, for this reason I would like to explain what was the best easiest way that I found for saving my object. First, I would recommend you to be sure that…
Sublime Text 2 is my opinion one of most beautiful and useful editors for web developers, of course I really like Notepad++ (but this one, it doesn’t have a version for MAC OSX). A common task when we are creating awesome source codes is trim/delete trailing white spaces, because these are not good and even…
This short script could help you find blank lines at the beginning or the end of a set of files (in this case in the same directory where you run this script). for f in `find . -type f`; do for t in head tail; do $t -1 $f |egrep ‘^[ ]*$’ >/dev/null && echo…
Today, when I updated a repository in git I realized that my co-workers -accidentally- broke a project (in CakePHP). What error was displaying? simple and a little confusing: Warning (2): Cannot modify header information – headers already sent by (output started at /app/config/database.php:1) [CORE/cake/libs/controller/controller.php, line 742] So, for solving this common PHP issue, I recommend…
When you need to know if an element exists in the DOM (Document Object Model), only uses this small code: <script type=”text/javascript”> (function($){ $(document).on(‘ready’, function(){ if( $(“element”).length ){ // Do something 🙂 } }); })(jQuery); </script> The length property returns the number of elements that match with our selector. For example, imagine that you have the…