~ Engineering ~
Code does not get rusty
When does one need to rebuild a system from scratch? The answer, perhaps is, almost never.
Cookie Mapping in Advertising
In this article, we will cover the process of cookie mapping (or cookie syncing) and how advertising companies use it to exchange information with websites and advertising platforms to serve relevant advertising to a user.
Building a url shortener in 10 mins
A 10 minute guide to building your own url shortener i.e. a service that lets you shorten a long url to a shorter url that takes up less number of characters.
Apache Pig Tutorial
An unofficial Apache Pig tutorial for the beginning and intermediate user which covers the basics of Pig and moves on to the more advanced concepts.
Going Text-mode
I spend a great deal of time working on the Terminal. Here, I list my must-have console applications for email, www browsing, and programming in Linux, Windows and Mac OSX.
Setting up Replica sets in MongoDB
A 5-minute guide to setting up replica sets on MongoDB. Covers downloading, installation on various flavours of linux, editing the config file and initiating replica sets!
Super quick Find & Replace
This article explores a number of ways of performing a find/replace and compares the various implementations for different sizes of the find/replace list and input text.
Set data structures & Implementation
Sets are an important concept and extremely useful in various computer science applications. We take a look at some of the ways a set data structure can be implemented.
Manage your wireless with nmcli
This article shows you how to use the command line tool nmcli to manage your wireless networks. If you prefer cli over gui, go ahead and take a look.
Binary heaps & Priority Queues
Heaps and Queues can be a powerful data structure. This article goes into the implementation of a binary heap and extends the data structure to act as a priority queue.
Lesson 5 - Adding standard GUI elements
In this lesson, we’ll learn how to add standard GUI elements like the statusbar and the toolbar.
Facebook puzzle - Find Sophie
Today we solve the FB engineering puzzle - Find Sophie. We start with a naive solution and improve the algorithm until we can pass the Facebook Puzzlebot. In closing, I leave you with open-ended questions on improving the algorithm further.
Win7Keys - Enable Windows 7 shortcuts on XP and Vista
An application to emulate Windows 7 shortcuts on Windows XP and Windows Vista.
Palindromic sub-sequences in python
This bit of python code returns all palindromic subsequences in the input string. Nothing to see here, I was just having a meh moment.
Script to generate URS from Wikipedia
A person’s URS is a phrase that could be used instead of his/her usual name in all circumstances, which makes it absolutely clear who he/she is. ex. Bhagat Singh was executed by the British in 1931.
NLP classes for PHP
This is an ongoing project to develop a set of classes for Natural Language Processing. Some code would be ported from the NLTK project.
Hacking wp-syntax plugin to show header
Learn to modify the wp-syntax plugin to display a header. This is very useful if you want to include, say, the file name of the code snippet you are syntax highlighting.
Exporting Opera email to mbox format
The following snippet combines the various opera mbs into one mbox format which can be used by other email clients like Evolution to import mail.
Indic to English Transliterator
Transliteration is the process of converting a word from one language to another while retaining its phonetic characteristics. This application lets you convert a word from any major Indian language (currently supports Hindi, Marathi, Sanskrit and Bengali) to English.
Deebot - an IRC chat bot
Deeb0t is an IRC chat bot capable of making meaningful conversation with other users. It also responds to commands issued by its owner.
Todo Plugin for Wordpress
I wanted a wordpress plugin to manage a list of ToDos and display them on my blog. Having found none quite suitable, I decided to write it myself.
GPRS over linux
This article tells you how I configured my ubuntu linux based laptop to connect to the internet over GPRS. I own a Nokia E51 and I used a USB cable to connect it to my laptop.
Euclidean Distance Calculator
The following snippet returns the euclidean distance between two places on the globe using the Yahoo Maps API.
Using Devanagari in Latex
This article shows you how you can use the Devanagari script (Hindi, Marathi, Sanskrit) in Latex.
Weekday Stats for Wordpress
This plugin is capable of displaying two graphs - Posts per Day and Comments per Day for the days of the week.
Twitter Timeline Javascript
This snippet draws a bar graph that tells you your twitter posting frequency per hour in the last 24 hours.
Windows shell (explorer.exe) replacement in C#
This document will teach you to make your own windows shell replacement. If you don’t know what a shell replacement is, take a look at Shellfront.
Limerick Generator - Part I
The following code demonstrates an alien limerick generator. The code illustrates a very simple random word generator that generates rhyming words.
Running bbpress on sourceforge
Sourceforge does not allow php mailers. Software like bbpress which use the mailer to send newly registered users their password fails. This article will describe how I went about solving this problem.
RediffBlog Crawler
BlogCrawler enables you to save your entire rediffblogs blog to disk along with all the comments!
FindWindow Illustration
The following code illustrates the use of FindWindow API. This program blanks out the ad in Yahoo Messenger buddy window
Implementing Emoticons in C#
This piece of code shows you one way of replacing emoticons with their images. It uses a Hashtable (hashmap) to do a find replace.
Auto-tagging of TagBoards
This Perl snippet illustrates how one can automatically post data to http://www.tag-board.com tag boards. Learn how Perl does POST requests.
Lesson 4 - Code Documentation and Code Versioning
Today we’re going to take a look at two very important development practices - Code documentation and Code Versioning.
Lesson 3 - Resources - Icons, Dialogs and Menus
In this lesson we’ll take a look at Windows Resources. You’ll learn to add an icon to your application, add a menu, and version information. You’ll also learn to include a very important kind of resource - the Dialog resource.
Introduction
This is an ongoing series on win32 programming on the Windows PC. In this article, I introduce the subject and discuss ways of getting in touch.
Lesson 2 - Creating a basic window
In this lesson you will be introduced to the event-driven programming model. You will learn how Windows uses messages to communicate with applications, how event based programming works, what callback functions are, and while doing this create a basic windows application.
Anonymous ftp scanner
This code illustrates how you can use unix socket programming to scan for open ftp ports accepting anonymous logins in a given IP range.
Lesson 1 - Your first windows application
Welcome to your first lesson. You will learn to create your first windows application which will display ‘Hello World!’ in a message box.