PHP Glossary

What is the minimum size of the file that can be uploaded using PHP and how can we change this: Be default Maximum size is 2MB and we can change the following set up at php.ini file. Set upload_max_filesize=2M How can we increase the execution time of a PHP script? By changing the following setup […]

Java program to distinguish between a file and a directory

Today, we are going to have an example that will help us to understand how we can distinguish folders or directories and files through Java Program. Java program to distinguish between a file and a directory: import; class Directory{ public static void main(String[] args){ String directory=”/exampledirectroy”;//example directory name File file1=new File(directory);//instantiating file class with […]

Signifyd API process flow and Integration

Signifyd is a tool that simplifies fraud prevention, a simple and powerful service that exposes a REST API that allows to track “Cases” for orders. How it works? A buyer places an order on our store. The details are saved in our database. Also, all details related to order, shipping, billing, buyer, etc. are passed […]

Paypal IPN Configuration directly from Paypal Account

What is IPN? IPN stands for Instant Payment Notification What is Paypal IPN? Instant Payment Notification (IPN) is a message service that notifies you of events related to PayPal transactions. You can use IPN messages to automate back-office and administrative functions, such as fulfilling orders, tracking customers, and providing status and other transaction-related information. Source: […]

Introduction to Operating Systems

Introduction: An operating system is a program that acts as an intermediary between a user and the computer hardware. Its purpose is to provide an environment in which a user can conveniently and efficiently run or execute programs. Basics Of Operating System: An operating system or OS is a set of system software programs in […]

UEFA Champion League

Fight of champions have started. This time the fight is on for saving their positions and get promoted to next round in the UEFA League. The league leaders of LA Liga Barcelona after beating up their rivals Real Madrid are full on confidence. Big challenges for both the teams are ahead. Alongside last season champions of Barclays […]

WordPress User Roles and Capabilities

In WordPress a user can be distinguished based upon the assigned role. The concept of roles provide a vital role in determining the ability of a user i.e. what a user can do or cannot do within the website. For example: A user can/cannot be given privilege to perform the following operations: 1. Creating Pages […]

Changing File Permissions

On computer filesystems, different files and directories have permissions that specify who and what can read, write, modify and access them. Permission Modes 7 5 5 user group world r+w+x r+x r+x 4+2+1 4+0+1 4+0+1 = 755 The permission mode is computed by adding up the following values for the user, the file group, and […]

Learn about robots.txt file

Block URLs with robots.txt A robots.txt file is a text file that stops web crawler software, such as Googlebot, from crawling certain pages of your site. The file is essentially a list of commands, such Allow and Disallow, that tell web crawlers which URLs they can or cannot retrieve. So, if a URL is disallowed […]

Website Performance Optimization

Website Performance Optimization: Web performance optimization or website optimization is the field of knowledge about increasing the speed in which web pages are downloaded and displayed on the user’s web browser. With the average internet speed increasing globally, it is the requirement for website administrators and webmasters to consider the time it takes for websites […]


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