In mathematics, Fibonacci numbers or Fibonacci sequence are the numbers in the following integer sequence: or: In mathematical terms, the Fibonacci sequence Fn is defined by the recurrence relation with seed values Our task is to write a function that returns Fn. Following are different methods to get the nth Fibonacci number Method 1: Simple […]
Initially I wrote this as a reply to local group discussion with similar question. And then my friend said I should publish my answer as a post. Thanks for the advice, and here is our discussion. First, what is malware? Malicious software, is any software used to disrupt computer operation, gather sensitive information, or gain […]
In this article we will discuss things we need to get started to microcontroller, especially programming and engineering a microcontroller. All the things we need can be categorized into two: Hardware Software The Hardware Part Mostly we are facing hardware. In typical we will need following hardware: Computer In-System Programmer (ISP) Target Board Microcontroller Computer […]
Atmel Studio, formerly known as AVR Studio, is a good development application to create program for Atmel’s processor (Atmel’s AVR and Atmel’s ARM). The 6th version promises to be better, faster, and easier to use than before. Here, we will discuss about the way to set up the platform for the use with Arduino. In […]
In previous article, we have discussed about AVR development in both Linux and Windows. As you might see, we are using software avrdude to write our binary code to avr chip. Now, when executing avrdude on Linux, it may give an error such as
avrdude: error: usbtiny_transmit: error sending control message: Operation not permitted.
This problem arise when we run avrdude without root privilege. […]
I remember creating one or two challenges for local forensic competition in my community. Ideally the image should be created from live hard drive or SD card. However, I’m not in condition to do that. The constraint I have is to create image as small as possible so we can distribute it across any media. […]
Builder is a creational design pattern, used to separate the construction of a complex object from its representation so that the same construction process can create different objects representations. Unlike the abstract factory pattern and the factory method pattern whose intention is to enable polymorphism, the intention of the builder pattern is to find a […]
PostGIS is a spatial database extender for PostgreSQL object-relational database. It adds support for geographic objects allowing location queries to be run in SQL. In effect, PostGIS “spatially enables” the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS). PostGIS is a free open source project, licensed under […]
PostgreSQL, often simply “Postgres”, is an object-relational database management system (ORDBMS) with an emphasis on extensibility and standards-compliance. With more than 15 years of development history, it is quickly becoming the de facto database for enterprise level open source solutions. In this article we will discuss about how to install PostgreSQL from source on Slackware64. […]
What is Register? Micro controller operations mostly involve processing data. Registers is used to do operations in CPU. Registers are special storages in CPU with capacity of certain bits. In 8-bit AVR, a register is 8 bits wide which can hold data of 8-bits (1 byte). In nutshell, they do like this: 7 6 5 […]
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