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Tag Archives: tutorial

August, 2013

  • 21 August

    HTML / CSS / JAVASCRIPT Tutorials

    Getting Started with HTML HTML is the basic language used to create web pages. In fact the majority of what you see right now, on your screen, was created through the use of HTML. The tutorials listed within this section will help you get a grasp on some of the key basics of HTML programming; and then continue on to ...

July, 2013

  • 11 July

    PHP/MySQL File Upload – Error Checking

    A while back I had written a PHP/MySQL tutorial discussing how to upload an image to your server, and store the information about that uploaded image into your MySQL database. That tutorial covered really only the basics, and I knew that eventually someone would post a comment asking about some more advanced features – such as limiting the file size of ...

  • 5 July

    Creating a Dot Matrix World Map

    I'm sure you have seen those dotted world maps that are utilized across dozens of business based websites these days. This Photoshop tutorial will show you how to quickly and easily create the same effect for yourself.

  • 5 July

    Performing A Make-Over Via Photoshop’s Soft Light Blend Mode

    I have previously briefly touched upon working with colors inside a photo in order to change a persons hair color or eye color. This tutorial expands a little bit upon the previous one

June, 2013

  • 7 June

    A Simple Night Sky

    Adobe Photoshop Tutorial - Starscape - Final

    Throughout this Adobe Photoshop tutorial we will go over how to create a very simple starscape look. Start off by creating a blank canvas at any size you wish to use. For the purposes of this Photoshop tutorial I went ahead and created one that is 800×800 pixels. Next fill the background with black, so you should have something like ...

May, 2013

  • 2 May

    What is On-Page SEO?

    Most first time webmasters launch their website and immediately start worrying about generating backlinks and increasing their ranking in search engines, however many miss the first and most important step – On-Page SEO. On-Page SEO defines how search engines will view and list your website. This starts from your core meta and open graph tags, down to the keywords you ...

April, 2013

  • 30 April

    Need a Job? Open Source Coding with Google Summer of Code

    Google Summer of Code is a global program that offers post-secondary student developers ages 18 and older stipends to write code for various open source software projects. Over the past eight years more than 6,000 students have “graduated” from Google’s Summer of Code program, working with almost 400 different open source projects. Students who are accepted into the program will put ...

January, 2013

  • 12 January

    Prevent Hacking Attempts; Keep Your Scripts Up To Date

    A client of mine recently contacted me, and frantically proceeded to explain to me how his hosting company contacted him stating their server had been hacked through an out-dated WordPress install they had kept on it. To make matters worse, the host did not have a recent file backup available – great. I was in for a long night. However ...

December, 2012

  • 28 December

    Basic PHP Template System

    PHP has many different template solutions, and the beauty of them all is how simple it makes maintaining and changing your website. Back in the day when everything was handled with static HTML files – if you needed to add a new link to your main menu – you found yourself editing dozens if not hundreds of different files.  With ...

  • 17 December

    How PHP Functions Work

    A PHP function is merely a block of code that can be defined once and then reused throughout various other parts of your script/program. Typically, a function takes an argument, or a series of arguments, and performs a predefined set of operations on them – returning a value as a result. With PHP functions, code that would otherwise be repeated ...

  • 17 December

    The PHP Ternary Operator

    PHP has plenty of different operators, the majority of them being either unary or binary operators. A unary operator, such as !, performs its operations on just one single value. A binary operator, such as =, is used to perform an operation on two operads. So following the naming logic you’ve probably already figured out that a PHP ternary operator ...

August, 2012

  • 19 August

    HTACCESS Tutorials

    Welcome to the .htaccess tutorials section of the Rapid Purple blog. The following tutorials are aimed to give you an introduction to creating and working with an .htaccess file; along with a few useful tips and tricks every webmaster should be familiar with. Creating An .HTACCESS File First things first. Before you can start using any htaccess commands and functions, ...

  • 18 August

    Denying Site Access

    Denying and allowing access to your website can be accomplished very easily with .htaccess. In order to block an IP address you would use the following command within your .htaccess file: deny from 000.000.000.000 Replace 000.000.000.000 with the IP address you wish to block. If you only specify one or two groups of the numbers you will block a whole range ...

May, 2012

  • 24 May

    File Upload via PHP/MySQL

    As per the request of Spaculus I have decided to put together a tutorial discussing how to upload an image to your server, and store the information about that uploaded image into your MySQL database. This is a function that can often come in handy when developing a user membership system with avatar support, or a venue/event listing that displays an ...

  • 17 May

    Escaping Characters and Variable Expansion

    Escaping characters is basic, but essential to an error-free PHP script. Consider the following sentence for example: Mike’s uncle said, “Isn’t that cool?” Now if we attempt to use PHP to echo this sentence to the browser, those quotes and apostrophes will cause some problems. The quotes and apostrophes inside the string are confused for the symbols used to signify ...

April, 2012

  • 3 April

    Server Security: Processes and How to Terminate Them

    Since Linux is a multi-tasking system, in which many different programs or program threads may be running simultaneously, Linux keeps track of all individual tasks and processes – much like the Task Manager within Windows. Although these processes are usually well-behaved and well-managed by Linux itself – it’s always helpful to be able to know how to view all the ...

March, 2012

  • 28 March

    Trojan Port List

    Following the recent breach of the popular hosting company, ServerPro, the internet is back to buzzing about trojans and server ports, which it should be. It never should have stopped in the first place. With that in mind – comes this list – listing the majority of the more popular known trojans, and the ports they normally use. Of course several ...

  • 26 March

    Server Security: Turn Off rwhod

    The rwhod daemon is a process that allows a remote user to see who is logged into your system. The client program is rwho. It has many of the same security problems as the finger daemon. For a crack,er use of rwho could allow him to watch for times on your system when nobody is logged in and begin his ...

  • 26 March

    The BASH Shell: Pipelines

    Pipelines are a great way to string together a series of commands. This means that the output from the first command in the pipeline is used as the input for the second command in the pipeline. The output from the second command in the pipeline is used as the input to the third command in the pipeline, and so on, ...

  • 26 March

    The BASH Shell: Command History & Aliases

    Command History Bash keeps track of a certain number of previous commands that you have entered into the shell. The number of commands is given by a shell variable called HISTSIZE (which we will discuss later on). Bash stores the text of your previous commands in a history list. When you logon to to your account, the history list is ...

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