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Parallel Processing in Python Scripts
At times it's possible to complete a batch job using parallel processing using fork instead of threads which needs much more careful planning. On the other hand fork is easy to implement, although it might not be as efficient and flexible as threads.
Forking is an important part of *nix design,...
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Clean User Input HTML using HTML::Scrubber
Most modern day websites take inputs from user in the form of comments, reviews, PMs etc. and it's needed to control the HTML tags in the users' content to prevent XSS attacks, spamming with URLs, embedding videos - which might attract copyright problems - and similar problems. Many sites list...
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Custom Math Class
Custom Math Class that can check if a number is even or odd, calculate your rental payment, mean, percent, and percentage of a number. My custom class for some math problems, including a function to calculate payment on a house or rental agreement.
This class is...
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An Overview Of Sorting Functions in PHP
PHP being the most popular & easy to deploy language for web applications offers a large number for functions for sorting compared to other languages like Perl, Python, etc which hardly have a few basic functions which have to be extended by the programmer.
PHP reduces coding time by providing...
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An Introduction To DKIM
DKIM stands for DomainKeys Identified Mail, it helps associate a domain with an email message to help prove the authenticity of the message. DKIM is a successor of DomainKeys developed by Yahoo!, it was deprecated in 2007 but some providers still use it. DKIM was created by an informal group and...
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Dynamic Includes in PHP
Allows you to include dynamically a single file, a list of files or a whole directory. No more tedious include statements.
This is designed to be similar to Java's package system but instead uses a directory, file/s or */ALL, and include type(INC, IN_O, REQ, REQ_O)....
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What if Open-office Strokes Letters Instead of Deleting
Today while reviewing and editing articles for a website I got an .ODT file which behaved a bit strangely. If i would press 'delete' the words would get stroked instead of deleting. This was quite a bit annoying and I had no clue about that problem, Googling for about 15 mins got me nothing and the...
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Left & Right Join In Mysql
A join is used to retrieve needed data based on the relationships that are shared between them.
A left join returns the rows from the left hand side (primary table, as I like to call it) table, and the corresponding matches from the right hand side table (the...
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Access MySQL Databases in Python
Python being one of the most popular languages, it's being used increasingly used for creating dynamic websites or for specific parts of websites, like Google's support fully runs on Python scripts. But, for this type of usage the ability to access RDBMS is indispensable, although unlike PHP,...
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Detect Users' Browser Capabilities with PHP
In today's internet of JavaScript rich UI, it's sometimes very important to know the browser/platform user is using for browsing your site so that you can change the content dynamically according to the browser or the platform. Many sites are already working with this, like Firefox's official...
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mysqli PHP Extension Overview
Mysqli extension provides us to access the functionality offered by MySQL 4.1 and above.The *i* in the function name stands for improved (MySQL Improved). The mysqli extension is built using the PHP extension framework.The MySQLi library is much more optimized and quicker than the previous...
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Read And Create Csv File In PHP
A Comma-Separated Values(CSV) file stores information in a list with a comma between each item. A CSV file may consists of any number of records. CSV file format is widely supported by scientific applications, and various consumer and business applications. There are a few variations where...
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Macros v/s Functions
In this article we'll be learning how we can improve our C code by using Macros instead of functions. How simple functions can be converted into macros to save on some CPU instructions. Some basic knowledge of C and a little bit Assembly is considered as pre-requisites.
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GROUP_CONCAT Function In MySQL
*GROUP_CONCAT* function is one MySQL's lesser known functions, which has the ability to ease programmers' work in certain situations. As the name of the function might suggest the function is used to group and output the fields delimited by a delimiting character specified by the user which default...
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Finding on-page Errors
Having been hit by Google's Penguin, I did some checking on my site and thought I had righted the wrongs, but yesterday I discovered two glaring errors that affected the whole site and caused it to look spam-my, and may well have contributed to the problems I've had recently with SERPs.
It's...
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Server Request Validation
This functions solves the problem of always writing the same code to check if a get or post request is set or not.
I created this because I was tired of the extra code needed just to see if a request variable has the array key set or not. I don't want to use error...
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Introduction To Templating in PHP with Smarty
Smarty is a templating engine for PHP, it's one of the most popular templating engine used by PHP developers. Using a templating engine helps businesses separate presentation logic & application logic.
Templating, you can say is a way to separate the business logic from the presentation...
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How to Add GEO Location to Your Wordpress Posts
Recently, I got interested in developing a WordPress plugin which would add location to my posts. The idea was inspired from 'Facebook', where we have locations tagged with our every post (unless we disable it.). I started developing Geolocate My Posts...
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Parsing & Formatting Date/Time in Python
Being in the era of instant updates & notifications one would at some point or the other would need to parse/format date & time, be it any language. Here, we'll see how we can parse & format date/time with Python.
Python is natively equipped with the functions to make our job easier, the...
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