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Developers

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My Own Phone Dialler, Only on Android

So you want to build a custom phone dialler for your cell phone? In the case of a typical mobile OS, to intercept core areas like the contact book or the dialler itself is not only difficult but also needs in-depth knowledge of the phone’s OS. Unlike that, Android has an extremely modular architecture based on the Linux kernel. In this article, we’ll learn how to harness the power of one such API in Android.

Developers
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CodeSport

Welcome to another installment of CodeSport, which focuses on number theoretic algorithms. In particular, we will discuss the well-known 3-SUM problem, where given an array A of N numbers, we need to determine whether there exists a triple a, b and c that belongs to A, such that a+b+c = 0.