Find What Word Occurs First Inside a String
From a list of words, we want to find what word occurrs first inside a given input string. Solution
Twitter Bootstrap: Installation & Setup
Twitter Bootstrap is a powerful client-side HTML, CSS and JavaScript framework for developing web applications. Bootstrap has a clean, slick and user-friendly look & feel that is consistent and cross-browser …
Recursively Sum All Digits in a Number
I recently started answering questions on StackOverflow for fun. I figured since I’m taking the time to answer questions, I may as well post that content on my blog. Here’s …
Saving a List of Strings in Android with SharedPreferences
The SharedPreferences class allows you to save preferences specific to an android Application. API version 11 introduced methods putStringSet and getStringSet which allows the developer to store a list of …
Android Uploading a File to a PHP Server
The following script allows you to upload a file from your Android application by sending the file to the PHP server, which can then save the file to the disk. …
How to Enable Swiping Between Multiple Screens in Android (Using Fragments)
FragmentActivity is a helpful class for creating an application with multiple screens in which the user can swipe between. Rather than creating one activity per screen and defining the transition …
Reversing a String in Java (In-Place)
Reversing a string in Java is fairly straightforward. We iterate from the end to the beginning of the original string, constructing the reverse string one character at a time. A …
Determine a Real Number That Is Not In The List
Problem Given a finite set S of real numbers, design an algorithm that can output a number that is not in the list in O(n)-time. Solution There are two trivial …
Checking If An Element Exists In An Infinite List
Problem Given a set S that is sorted and contains discrete integers, (no element appears twice), and that is infinitely large in the positive direction, design an algorithm that can …
Merging CSS Files Into One File / Browser Call
In order to decrease page loading time, it is wise to combine all CSS that is loaded on a page into a single file so that the browser has to …