mobile-shake

Using a mobile accelerometer to enhance web app UI

A accelerometer is one of the important sensors in mobiles. This sensor along with a gyroscope is essentially used by most mobiles games to detect motion in 3 dimensions whenever a mobile is moved or shaken. Although common with mobiles applications, web applications seldom use the features provided by these sensors. With some ingenuity we can use these sensors to enhance the user experience of a web app on a mobile device without much effort.
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time-period

Period: Time range API for php

Date/time programming is one of the tricky aspects of software development. Although inherently not complex in itself, coding date/time algorithms can be a subtle source of bugs. Especially in web development a feature such as payment subscription processing that ranges from days to weeks to months can get complex quickly. Also such kind of scenarios require additional features like auto renewal, scheduled email alerts to subscribers etc. Such kind of features require good date/time handling algorithms and libraries that handle such chores are always welcome.
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twitter-sentiment-analysis

Sentiment Analysis of Twitter feeds

In the last post we looked into accessing Twitter API v1.1 from PHP. In this post we will see how we can add sentiment analysis for the tweets. Generally speaking, sentiment analysis aims to determine the attitude of a writer with respect to some topic. A basic task in sentiment analysis is classifying the polarity of a given text, whether the expressed opinion in a sentence is positive, negative, or neutral.
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